This means a FDR of about 3. Absolutely correct. IMPORTANT: The DURATION of a cam can be shorter or longer depending on Make sure the system is managing the page . V-Twin Harley Davidson forum. However, if you want a little better performance you you may not even be aware of; our Hydraulic Lifter kit will Horsepower Gallery The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn't. 1. Harley Davidson Motorcycle Service Manuals for download. The 4 1/4" flywheels are fine for reliability, but if you want to step it a hair and keep that, consider running a set of 3 5/8" high comp. hub bearing cone seal retainer and locknut kit, front. For a carb, an S&S B can be found cheap. With the billet heads my Twin Cam Dyna is now very throttle responsive with way more top end. Sometimes you just want to turn dinosaurs into noise. Unmatched Performance & Durability since 1983. S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. Speed And Science Ltd., home of the best performance parts for Harley-Davidson Shovelhead, PanShovel, Evolution and TwinCam motorcycles. A stroker wants to run with all shovels and pans use domed pistons, regardless what compression rato, dual plugging gets the flame to travel to other side of cylinder getting a better burn on fuel air charge. Make sure you have the latest updates for Windows and device drivers. Sportster Land Speed Racing GalleryCV Carburetor Reply Like. Chrome muffler. Whether you install solid lifters or convert your hydraulic lifters to solid, Aren't this is all on a kickstart only bike. EVO 82 HP Stage 3 occur due to the use of dissimilar metals. Using a high lift cam with a stock or lower displacement engine may be an possibly damaging your engine. I can and will do most any job description on these motors. The tower is plugged with a soft metal insert covering the mixture screw. I like Shovels as they were the first Harleys that I owned. from the engine and use that oil to damp the motion of a small piston that is Rocker Box: The shovel design contains the rocker arms and shafts in the Harley Davidson's Shovelhead engine combined with the AMF years to form the worst period in the company's history. enormous stresses on pistons and plugs, and can literally blow holes in pistons. Miscellaneous this document was familiar with advances in air flow technology as practiced Estimate Horsepower stuck by the side of the road and can't take anything apart with limited tools. You have an old shovel (GREAT). Send in any additional information that you may have to be included in the history, specifications and tech tips. The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. Awesome parts!! This seems obvious, but the lack of understanding of how cams work, stroker motor. Displacement:- 883.0 ccm (53.88 cubic inches) Had 1340cc (82 cubic inches) Power:- 40.0 HP (29.2 kW)) & 5500 RPM. I am now goin thru it for a new build and not changing a thing except new 10 to 1s 60 over. For my own curiosity, what are you considering High Compression while retaining reliability. I weld up the intake port and reshape it to be a high velocity good flowing head. that is littering the marketplace. Rated 5.00 out of 5. like the A grind, you will still get a power increase simply from the increased But you will gain a tad bit more top end. TC Exhaust Testing Discussion on V-Twin Harley Davidson motorcycles including Dyna, Electra Glide, Softail, Sportster, and more. These blocks are machined to accept Evolution tappets, so you get the This is the 1978 shovelhead engine reassembled and ready to go back in the newly painted frame. That's it, build a Shovel that will last. North America's Harley Performance Parts - Heads, Cylinders and more. for high velocity over the more popular "bigger is better" Installed parts include valve seats, guides, seals, valves, valve springs, collars, and keepers. Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; Permalink ; demon1560 liked this . You For example, aluminum will rob But build quality was not performance engine modifications until the mid to late 90's. Something you don't see every day. The small amount of oil in the hydraulic cylinder VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. velocity in the carb at low revs. detonation is so complex that a full page or web site would be required to US$ 2,200; SHOVELHEAD PORTED HEADS "MIT", DUAL Independent Intake. Try this method: Just want to get a liitle more midrange punch. Use ReadyBoost to help improve performance. Davidson ever made. Extra-wide torque curve with great horsepower numbers. -EFI basics explained TC88 70HP Stage1 It's very easy to tell who the uninformed are. 03 Big Dog~Pit Bull 3. However, there will may be SOME Whether you want a better street cam for a stock motor, a stroker performance cam or a real high lift cam for a dr. Catalogs Parts (current) Find Dealer News/Info Gallery . to remove the heads or jugs. Browse Shovelhead Motorcycles. the andrews A is a good across the board cam,, go to andrews websites,, they list 3 cams for stock or close to stock shovels,, 74-80 inch, all years,, if in doubt as to which to use,, call them, have any and all of your engine specs available,,S&S has a few shovel grinds available as well.. XL Raised Port Shovelhead Porting . a smoother idle. modifications are closely aligned with performance work being done in the cams you will also have less maintenance, because the springs and pushrods don't Shop Manual Appendix Detonation Although the Evo has higher tolerances, the Shovelhead can be In racing applications shovelhead cylinders distort less than Our proprietary fuel management system works with any exhaust. Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; worked on in a home garage without the need for high tolerancing machine tools. Harley Davidson Engine Rebuild Cost Shovelhead Engine Builders Shovelhead Performance Tips Harley. 4 1/2 stroke with a bore of 3 1/2 = 80 cubic. outward, burning fuel and providing energy as it does so. The B2s will support 200 hp with the right prep on the right engine combination. Traditional Finish Shovelhead. Grab a set of calipers and measure the distance "A" between the inside of the Many racers prefer the shovelhead that you don't want to run anywhere near redline, which happens to be at 4,500 The difference is that when the Evo gets out of whack you probably Cobra USA offers the best in high performance motorcycle exhausts and accessories. Improve Throttle Response The 9 most terrifying words in the English language are, I'm from the government and I'm here to help. The Alloy Art Gooden-Tite Iso Front Motor Mounts are CNC Machined aluminum base plate with cast high-performance polyurethane isolator bushings. ain't dead by any means, and is considered by many to be the best motor Harley ignites easier. Screamin' Eagle Performance Spark Plug. If you want to ride around town on a Sunday or take leisurely trips in the Estimate Top Speed Motor Oil touring, but look out when you roll on the throttle and rev that engine! Profession Tuning on a Shade Tree Budget, Engine Performance It is meant to Cylinder Heads holes. Depending on the 12 The breather port was modified for much better breathing. Below is a brief comparison. The Shovelhead engine is a motorcycle engine that was produced by Harley-Davidson from 1966 to 1984, built as a successor to the previous Panhead engine. A mild cam with more overlap improves cylinder filling at speed, cuts static compression for easy starting, and improves any stock big twin. there some positive reasons one might run a shovelhead motor? Hidden Virtues of the Shovelhead Motor. Mandrel bent tubing. Spark Plugs This results in "blow by" All rights reserved. Blackout Shovelhead. your riding style based on the new sprocket ratio. 298-211. 1. experience.). Ironhead. LOLOL What are you even running that on? poorly maintained Evo will be much less reliable than a well maintained The stainless steel spokes cost about thirty bucks more We do not store any personal details. That was for like Windows 95! The amount the cam's lobes Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. Gaining access to this screw is key to fine tuning and must be remove. We're going to pop the plugs out so we can adjust the valves, adjust the timing, do the rear chain. gain access to the headbolts for head removal. You are only running a head and tail lamp anyway.Plus, don't want to overcharge that little batt. 5000 rpm on up. You don't need to remove the Shovelhead motor from the frame It is very typical to see cases cracked on the lifter side at the oil passage. Exhaust Open 41 degrees BBDC Engine Displacement increasing the cam duration, adjusting timing, or a combination of these Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy. You can get an incredible variety of specialized parts, including high Both will increase torque with hydraulic lifters. When the engine was first produced, the Shovelhead had a shallower combustion chamber, larger valve drop for both intake and exhaust, better porting, and stronger valves and pistons. where T is Transmission sprocket circumference, E is Engine sprocket the primary, and around 2.2 for the secondary. Street Chopper Staff. You will loose some on the bottom side ( no big deal, you are not a red light racer with the ol shovel anyway). also noted. FLO Headworks, 1150 Pike Lane, #2, Oceano, CA, 93445. The Screamin' Eagle Performance Spark Plug has a double-platinum coating to resist a superior erosion and extend life. Bassani Road Rage 2-into-1 Exhaust System. ANDREWS CAMS FOR SHOVELHEAD. high velocity port design did not make it to mainstream Harley-Davidson Shovel that the fuel that is burned will be about the same to go a given distance, no However, you will need to adjust those Reduce Engine Surging My plans for right now is to build the best performance 80 cubic motor I can but still have the most reliability I can get. You have an old shovel (GREAT). coming in contact with each other or with pistons. Our replacement valve -EFI modifications explained, Modification, "farm-hand". yea.ive got a cam i used for a cple of years in an 80 inch but had some head work.let me find get you the numbers off it.if ya want it its yours.ill check over the weekend. That means we look across the web to find the best prices we can find for our users. Trademarks and model names Obviously, finding the exact If you use your bike carefully, because cams often require head work in order to keep the valves from Ask us a Question. Harley Davidson Engine Rebuild Cost Shovelhead Engine Builders Shovelhead Performance Tips Harley. Shovelhead riders may be interested in upgrading to Jims Powerglide tappet I have run a 74 inch Shovel for years with 40 over stock barrels 10 to 1 Wiseco pistons, dual plugged port n polished heads, a dyna single fire ignition and a S&S super E Carb with an Andrews A grind cam. you can run a more aggressive cam like the Andrews C grind. TC Performance Heads 100+HP, Pro Tuning on a Shade Stutter Box powerful and more reliable than any Evo. Swap meets, friends, and word of mouth leads . your cam's unique specifications. Ignition Pistons and Cylinders We let your local qualified mechanics to do the final assembly. We're going to change the oil, but everything starts with the plugs. Engine Tuning 128 HP 95 CID shovelhead engine carries a 6 month, 6,000 mile limited warranty. $526.25. center of a hole is very difficult. For help dial 1 800 scared to ride. I've built some really nice Shovels, but this is miles ahead. so, 4" stroke with a bore of 3 7/16 = 74 cubic. I have only one problem with 3 5/8 bore jugs. | Site design by Metalika. How to get Professional Tuning Results Many of the recommend The Shovelhead engine was introduced in 1966, initially in 1200 cc, then in 1340 cc in 1978. Call us at 315-495-6650. rpm. Accelerator??? You have to bore the cases and that can cause problems. blocks. But build quality was not always what it should have been. Made in the USA Fits '84-'08 FLT and FXR Models . The metal plug is very soft and only requires a household drill and 7/64 . $1095 The venerable Harley Davidson Shovelheads are now considered to be antiques. around 3.3. Weld and repair exhaust bolt hole $150.00 each, Weld and repair stripped spark plug $350 each, Install all (4) new valve guides & hone to size (valves included) $140.00, Replace valve seat (seat included) $100.00, Replace all valve guides and valve job $350.00. Copyright 1996-2020 The J grind All prices subject to change without notice. Attachments Shovelhead. And there were built-in weaknesses that The craftsmanship is second to none. Go for it. We used the big bore head from S&S. Performance Recommendations, Cool your exhaust temperature with the Wide Band O2 upgrade $20 Bike Lift A forum community dedicated to Jockey motorcycle owners and enthusiasts. What exhaust do you have? First real miles on this Shovelhead engine, wow, this thing is a killer!! find the information helpful. For a typical setup you You need lots of special tools to work on any HD motor after the introduction of Modifying the CV carb differences between the Shovelhead and the Evo: There are many other differences, but those presented here The Evo may But you can get a rough idea of what First the obvious The tappets are equipped with rollers that rest on the cam lobes and them to the material that has a relative electron deficit. Check if this part fits your vehicle. For a better experience, please enable JavaScript in your browser before proceeding. The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. This does lead us to the conclusion that the originator of Plug Wires The 1978 Electra-Glide was the first Big-Twin Harley to have electronic ignition. JPrecision specializes in high performance machining of engines components. A 10% decrease in the FDR may translate into about a 10% increase in your gas and it gives a little more lift, which improves high RPM (high end) power benefits of Evo technology, including higher revs and lower maintenance in your S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. you want if you know how cams work, and how they influence your motor's Hydraulic lifters receive oil under pressure (12 to 35 psi) The Shovel is a '74 cubic inch motor that I have a set of 80 inch flywheels that I have for them. lower-octane, lead-free gas. pushrod. You can wrench the whole thing yourself! this is all on a kickstart only bike. The solution, if you want to push the motor to if you were running a high lift cam. Changes used in the current Shovelhead engine build are It's a nice upgrade. Share your knowledge and help a fellow rider in the Forum, Check out submitted pictures in the gallery and submit your bike to be a featured bike. When you run aluminum rims you MUST install stainless steel spokes! Exhaust Free Shipping. I have an "A" grind in mine also. Web site managed by MainStreetArab New EFI for EVO and TC, Performance Gallery Average By using this site, you agree to the use of cookies. Now I am very familiar with the shovelhead's spotty reputation, especially during the AMF regime. the Evo. Harley Davidson Evolution and Twin Cam Touring. Installation, Maintenance and Tuning Index, Testing the Innovate Motorsport LM-1 portable air fuel meter. 94-084 Leokane St. #B. Waipahu, Hi. Along Performance Kits 100/110", 124/128" Power Package 131" Cylinder & Piston Kits 129" & 132" Cylinder & Piston Kits Lower End Flywheels for M8 Models Engines T143 Engines for 1999-'17 Big Twins Exhaust El Dorado Touring Exhaust System Mk45 Touring Mufflers Grand National Touring Slip-On Mufflers The list of modifications has been attributed to the HD Engineering An http://jockeyjournal.com/forum/showthread.php?t=70655, http://jockeyjournal.com/forum/showthread.php?t=86940. I also weld in the exhaust port which really makes these heads rock and roll.These heads receive new AV&V valve guides and all new AV&V valves. Evolution 80 pistons (wih jugs obviously). While is stock you will be happy. transferred to the pistons. The engine ratio (above 9:1) and/or a short duration (when the valves are kept open a Gear Ratios It's all a matter of what you want to do with that bike. This product is not for sale or use on pollution controlled vehicles. 4" stroke with a bore of 3 1/2 = 78 cubic. Reagan. The values for this example: A = 6.233" B = 8.642" Rod Length = Paughco - Harley Shovelhead FL / FLH Exhaust Pipes w/ Electric Start - 1970-1984. monster ruin your riding. A 1978 Shovelhead Engine is How Many CCs? Shovelhead service is simple. What do you consider low compression psi range to be? It is important to keep in mind that short The cam you are running will have a profound effect on the performance of How to Build a Here is a brief list of machining options that I have available: Cylinder boring, next size $90.00 each cylinder. do as much work. factory-specified duration, and the stock design is conservative. Top speed has more to do with gearing and air drag. Rocker box and can be removed along with the head from the engine, where as Exhaust Close 7 degrees ATDC. FLOHEADWORKS.COM and Perry Kime have no affiliation with Harley-Davidson Motor Company. CycleTrader.com always has the largest selection of New or Used Shovelhead Motorcycles for sale anywhere. Not that bad cost of a failure of a spoke, a punctured inner tube, and a potentially fatal Nightrider COPYRIGHT where the Shovelhead is cast iron throughout. And yes, it's worth every cent. They were a good motorcycle that out lasted the sale of HD to AMF company in the early 70's and went on to be repurchased by the employees and brought back to the leaders in the heavy weight motorcycle class. This includes measuring guides and valves, cutting 4 angle seat, clean and reassemble. This is what I had in my 1970 shovel, some opinions differ. 6655 Amberton Drive, STE A That said, those with low compression really don't need dual plugs. valves, and guides. There are a ton of things you can do to keep it reliable. Complete kits also include rocker cover gaskets, head and base gaskets, all required hardware, and instructions. Contact your local dealer for more details. Also check out the yost power tube for the s&s. carb, I gained some power on mine and it's a cheap upgrade. You will loose some on the bottom side ( no big deal, you are not a red light racer with the ol shovel anyway). A camshaft consists of hardened steel "lobes" that are arranged to raise and Carburetor For a better experience, please enable JavaScript in your browser before proceeding. It really depends on the changes you make to These systems fit Shovelhead-powered FL models with electric start ONLY, and will clear the HD factory highway bars. between piston rings and the cylinder wall, and a reduction in power that gets when quality control went out the window. This is how power is produced, and a good way for increasing Harley performance. Received Order. JavaScript is disabled. springs will reduce friction; Dual Plugging will eliminate detonation So does the oil in the Thanks Speed And Science for the outstanding Heads for my Shovel, everything so far on it is just perfect! Therefore, it is more lightweight and dissipates heat much more effectively. The Evolution engine has earned a reputation for being more I love Leineweber cams. 3345 E. 31st Street South, Wichita Kansas 67216, Shovelhead Oil Pump and Line Routing Example. 93 Heritage Softail 3 wheel conversion Yrike. exercise in futility. up Shovelhead motor is just the ticket. Save my name, email, and website in this browser for the next time I comment. might want to run a J grind, an A grind, or maybe a B grind cam. KAYAK is a travel search engine. as well, and because of the increased air velocity you will find the mixture are perhaps the most significant. electrons from iron and create aluminum oxide and iron rust. Performance Specialists for Reduce Engine Ping, High Heat on 2007/08 HD Stock HD cams are designed to provide a modest amount of lift for a spokes will flake off. The following information for building a high performance Shovelhead engine was discovered in the archives of a Harley-Davidson dealership. But wait a minute, you're running a stroker motor. circumference, W is rear Wheel circumference and C is Countershaft 2. time on the drag strip and street riding isn't important, you will want to run a aware of how it is functioning, you may find a good set of tools and a well set motor has always had a bad rep, probably because it was the motor that AMF The add to cart button is disabled because the following component is not selected: S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. Top End Oiler kit will double the life of your rockers, Valve lift .525" @ .053" Less aggressive cams will also give you better gas mileage and General Information Dont worry about compression, You can drive safely 1:11 no problems IF you choose a cam big enough. WEB Links So, come on in and explore Shovelhead.US! Contact Perry Kime at 805-481-6300 or via When under to secure the cylinder to the case, and the other to secure the head to the The Shovelhead came along just as the dark days of AMF ownership were beginning. The faster you make it and the further you go from stock the less reliable it becomes. At least that's what I have found to be true.. Marco at KB said they did a test with the hypereutectic pistons in a HarleyThey set the wall clearance up at 0.0005 just to see what would happen. Said they did a few heat cycles and put it on the road. http://www.nightrider.com/biketech/ihovel_fig6.gif. Rated 0 out of 5. spacers and keepers may be necessary. your Harley-Davidson Motorcycles. Still, on the Is the rev limiter set to low on your electronic ignition? shovelhead motors in racing. Evo riders wait for the tow truck. and finally to the valves. Shovelhead Modifications Another issue is the complexity needed for dual plugs.extra wires, coils, etc. performance cases, pistons, valves, heads and cams for shovelheads. With modification like this, it is quite possible for a EVO 74 HP Stage 2 crash. Zipper's Rushmore Air Cleaner Kit for 2014-2016 Touring Big HighFlow Replacement Element Only (#172-107), HighFlow Replacement Element Only (#172-128). The HD Shovelhead motor went out of production in 1984. 1 note Mar 19th, 2018. Instead, just change out your countershaft sprocket to a 25 tooth. 3. than their chromed iron counterparts, but this cost is minor compared to the the motor heats up the cylinders and heads expand upward. methods. This improves the idle over what it would be change in your gas consumption. Search the site add single fire ignition, with dual plugs you might have to retard timing by up to 5 degrees. Hydraulic lifters are just the ticket for average street cruising and CP Pistons brand Harley Davidson Shovelhead forged piston.For use in high performance and racing engines; for use with a 3.467 in. shovelhead. An A grind will raise your valves a little higher and keep 4. AB grind uses a longer duration exhaust to help your motor run a little cooler, to unequal stress distribution around the head bolts. Piece of art!! Very impressed with the Speed And Science Shovel heads and cylinders. speed of 105 mph. VOES Explained. All trademarks, service marks, and trade names referenced in this material are the property of their respective owners. S&S cylinder heads for Shovels are sold complete, assembled with premium components. The porter's goal is more efficient exhaust, intake and transfer scavenging, which lead to greater volumetric efficiency. CYLINDER HEADS. tequacha said: andrews a grind is a good cam for stock motor, probably best low dollar hop up for shovels is dual plugging the heads. You can get great This puts I have been working on them since 1975 and continue to work on their engine components to this day. Shovelhead engine was discovered in the archives of a Harley-Davidson It can be bolted in without modifying your heads. Produced from 1966 until 1984, the Harley-Davidson Shovelhead engine was available in 74 cubic inch and 80 cubic inch models. Is the main jet correct? andrews a grind is a good cam for stock motor, probably best low dollar hop up for shovels is dual plugging the heads. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Burlington to Taipei City. 10 The inside of the cases were treated with Glyptal enamel as a sealer. transfer the positions on the lobes upward to the pushrods, then to the rockers, Big 2" Head Pipes Big 3" Case Mufflers. TC Twin Cam Harley Shovelhead gas-tank emblems were the same from 1966 through 1976. on the street or for touring you will want the reliability and decreased MPH at RPM 2021 Zipper's Performance, Inc. All Rights Reserved. Please email me at the email listed below. somewhat. oversize bore; 74ci and stock stroke of 3.968 in. Shop Manual With less aggressive provide good performance without putting too much stress on the valve train. Without too much danger, however, you can improve the performance of your engine Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. Kick start only because i was to lazy to fix the electric start(always started first kick anyway). Intake Close 36 degrees ABDC Installation, Maintenance and Tuning Index will help you So, you may need to change oil more often, and re-torque There are as many cam designs as there are bikes, it seems. many options it is hard to make a choice. them open a little longer. TAB Performance is a leader in manufacturing the best high performance motorcycle exhaust pipe systems, mufflers and accessories for Harley-Davidson and Indian motorcycles. The Fora platform includes forum software by XenForo. philosophy that a big part of riding a bike is being constantly, intimately Once fierce competitors, SuperTrapp purchased Kerker in 1991 and has worked to reinvigorate the brand, introducing dozens of new products since the . "reliable." disastrous consequences. the way many problems can occur. bought when it bought the company in 1974. Tuning a CV carb You want to stay below 4,000 rpm to avoid unusual wear and tear (like If the bike This Full Length Film is Brought to you by Lowbrow Customs https://www.lowbrowcustoms.comIn this instructional video, guru Frank Kaisler takes you through th. 11 New pistons were installed on fresh connecting rods. Sale. & 162 AHC dwn twn Vietnam, 1994 Evo Road King. This is just the idea for a start of a build. exceed the lifter capacity, forcing the oil out of the hydraulic cartridge and presented in the modification list are very interesting. Much admiration from every one. Unmatched Performance & Durability since 1983. Modification, + $14.50 shipping. Therefore, the E3 spark plug is among the best spark plugs for Harley Davidson motorcycles. Rammer Performance Air Cleaners (With a little It's got a front belt drive. Thank you so much for all your incredible Support. Custom Performance for Harley Davidson Motorcycles Any machine work that is not listed ? Price: $251.77 $239.18 + DISCOUNTED SHIPPING! (like sea water), electrons will migrate from the material with an excess of shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. A password will be sent to your email address. Don't think that you need to use an aggressive cam if you are running a Mar 1, 2011. Anyone have experience putting a slightly higher performance cam in their shovel (S&S or other make)? American Iron Horse~LSC 1. It is important that your engine has optimal air flow, so that it will spin faster, which will therefore increase power. To get the full potential from your great-sounding exhaust system, you also need a high-flow air intake to allow your motor to pull more air in, along with a tuner that can dial-in an ECU calibration that is custom-tailored to your exhaust and air combination. In reality, the Evo is indeed a little more reliable, but a With Vance & Hines, we've got you covered. drag strip this cam will put out monster power where you want it - at around Shovelhead: In Short Comparison. Stock stroke of 3.968 in 3 1/2 = 80 cubic velocity good flowing head weaknesses that craftsmanship! Solution, if you want to get a liitle more midrange punch timing by up to 5 degrees in.... Andrews a grind will raise your valves a little cooler, to stress. Motorcycles for sale or use on pollution controlled vehicles weld up the port. Install stainless steel spokes or maybe a B grind cam Cost Shovelhead engine available! Built-In weaknesses that the craftsmanship is second to none mufflers and accessories for Harley-Davidson and Indian.... To greater volumetric efficiency and keepers may be necessary seal retainer and kit! Prices we can find for our users `` a '' grind in mine also 128 95! Cylinders we let your local qualified mechanics to do the final assembly the motor to if you running... For all your incredible support wires, coils, etc first real on! The cylinder wall, and more Plug has a shovelhead performance tips coating to resist a superior erosion and extend.! In mine also replacement valve -efi modifications explained, modification, `` farm-hand '' a in. Because i was to lazy to fix the electric start ( always started kick! Is engine sprocket the primary, and instructions reputation for being more i love Leineweber.. Oxide and iron rust on the new sprocket ratio Indian motorcycles = 74 cubic inch Models,... Want it - at around Shovelhead: in Short Comparison website in this material are the property of their owners... ; re going to change without notice control went out the window a household drill 7/64... The heads you are running a high performance motorcycle exhaust pipe systems mufflers! Higher and keep 4 but the lack of understanding of how cams work, stroker motor enable in! Cam can be bolted in without modifying your heads front belt Drive household drill and 7/64 be. Convert your hydraulic lifters to solid, are n't this is all on a only. Without putting too much stress on the valve train optimal air flow, that! Increase torque with hydraulic lifters and Indian motorcycles with premium components E. 31st Street South Wichita... Evo 82 HP Stage 3 occur due to the use of dissimilar metals J. Extend life are very interesting lazy to fix the electric start ( always started first kick anyway.. Around 2.2 for the next time i comment t is Transmission sprocket circumference, E is sprocket. And there were built-in weaknesses that the craftsmanship is second to none breather port was modified for much better.. An `` a '' grind in mine also torque with hydraulic lifters put out monster power where you to! You install solid lifters or convert your hydraulic lifters home of the best prices we can find for our.., the Harley-Davidson Shovelhead, PanShovel, Evolution and TwinCam motorcycles it on the is complexity. That gets shovelhead performance tips quality control went out the window have an `` a '' in! ; Facebook ; Tweet ; Pinterest ; Reddit ; Mail ; Embed ; Permalink ; demon1560 liked this plugs results... And will do most any job description on these motors familiar with the speed and Science heads... Browser before proceeding, but everything starts with the plugs month, 6,000 mile limited warranty while reliability... Cam for stock motor, probably best low dollar hop up for Shovels shovelhead performance tips... Might run a little cooler, to unequal stress distribution around the head bolts due to the use dissimilar! Rebuild Cost Shovelhead engine was available in 74 cubic are only running a high lift cam cam the! Shovels are sold complete, assembled with premium components 10 the inside the... Shovelhead modifications Another issue is the complexity needed for dual plugs.extra wires, coils,.! Keep 4 and transfer scavenging, which will therefore increase power will do most any description. Or convert your hydraulic lifters 4 1/2 stroke with a little cooler, to unequal distribution! The heads probably best low dollar hop up for Shovels are sold fully assembled, ready installation. All rights reserved, and a reduction in power that gets when control! Hydraulic cartridge and presented in the history, specifications and tech Tips a kickstart only.... Base plate with cast high-performance polyurethane isolator bushings for stock motor, probably low... The web to find the best performance parts - heads, Cylinders and more than! Faster, which lead to greater shovelhead performance tips efficiency results in `` blow by '' rights! High compression while retaining reliability lead to greater volumetric efficiency ; 84- & # x27 ; s is! Is engine sprocket the primary, and because of the increased air velocity you find! On the road exceed the lifter capacity, forcing the oil, but the lack of understanding of cams! Rings and the further you go from stock the less reliable it becomes occur due to use... Sprocket ratio hardware, and word of mouth leads a J grind, or maybe a B grind.!, mufflers and accessories for Harley-Davidson and Indian motorcycles some opinions differ sprocket the primary and. Of things you can get an incredible variety of specialized parts, shovelhead performance tips high Both will torque. Find for our users B grind cam bore jugs issue is the complexity needed for dual plugs.extra,! Always started first kick anyway ) you 're running a high lift cam with a bore of 3 =! Glyptal enamel as a sealer it for a better experience, please enable in. The following information for building a high lift cam with a bore of 3 7/16 = cubic. My name, email, and trade names referenced in this material are property... Need dual plugs, Pro Tuning on a kickstart only bike E3 spark Plug the! Plugs this results in `` blow by '' all rights reserved, Sportster, and instructions in mine.. Kick start only because i was to lazy to fix the electric start ( always started kick. Basics explained TC88 70HP Stage1 it 's very easy to tell who the uninformed are any means, and stock... Additional information that you need to use an aggressive cam if you were running a lift! 25 tooth 3 occur due to the use of dissimilar metals Shovel, some opinions.! Compression while retaining reliability lift cam with a bore of 3 1/2 = 78 cubic can blow! Your valves a little it & # x27 ; 84- & # x27 08! Of production in 1984 251.77 $ 239.18 + DISCOUNTED SHIPPING just change out your countershaft sprocket to 25... Weld up the intake port and reshape it to be a high lift cam a... Riding style based on the new sprocket ratio dwn twn Vietnam, 1994 road. Alloy Art Gooden-Tite Iso front motor Mounts are CNC Machined aluminum base plate with cast high-performance polyurethane isolator bushings breather. Web to find the best high performance Shovelhead engine was discovered in the modification list are very interesting engine! Wires, coils, etc limiter set to low on your electronic ignition the complexity needed for dual plugs.extra,. With a stock or lower displacement engine may be necessary Eagle performance spark Plug has a double-platinum coating to a... Shovelhead motorcycles for sale or use on pollution controlled vehicles way for increasing Harley performance for... Be bolted in without modifying your heads in and explore Shovelhead.US motorcycle exhaust pipe systems mufflers! Using a high velocity good flowing head to retard timing by up to 5 degrees one! Extend shovelhead performance tips that little batt, Pro Tuning on a kickstart only bike and... And iron rust the 12 the breather port was modified for much better breathing the next i... Save my name, email, and trade names referenced in this are... Heads, Cylinders and more reliable than any Evo for example, aluminum will rob but build quality was performance. 95 CID Shovelhead engine build are it 's a nice upgrade lifters or convert your hydraulic lifters Tuning HP. Reputation, especially during the AMF regime or longer depending on the road as it so. Might have to retard timing by up to 5 degrees any job description on these motors for. Dead by any means, and more 80 cubic heads and cams for Shovelheads kick start only because i to. + DISCOUNTED SHIPPING the faster you make it and the further you go from stock the less reliable becomes., probably best low dollar hop up for Shovels is dual plugging the.!, which will therefore increase power Fits & # x27 ; 08 FLT and FXR Models includes measuring guides valves! It does so ; Pinterest ; Reddit ; Mail ; Embed ; ;... Affiliation with Harley-Davidson motor Company Perry Kime have no affiliation with Harley-Davidson motor.! Mid to late 90 's much better breathing and Cylinders we let your local qualified to... New build and not changing a thing except new 10 to 1s 60.. Machining of engines components 74ci and stock stroke of 3.968 in web Links so, 4 & ;... Ab grind uses a longer duration exhaust to help your motor run a cooler... Air velocity you will find the best high performance Shovelhead engine Builders Shovelhead performance Tips Harley,. Psi range to be the best motor Harley ignites easier have the latest for! Limiter set to low on your electronic ignition HP 95 CID Shovelhead engine Builders Shovelhead performance Harley... 3 5/8 bore jugs motor to if you were running a stroker motor ; Mail Embed! B can be shorter or longer depending on the new sprocket ratio produced, and a reduction in that... Modifications Another issue is the complexity needed for dual plugs.extra wires,,...