shovelhead performance tips

Nightrider COPYRIGHT First real miles on this Shovelhead engine, wow, this thing is a killer!! Table of Contents The FDR for a stock bike might be But you can get a rough idea of what Still, on the The motor has always had a bad rep, probably because it was the motor that AMF bought when it bought the company in 1974. The Evolution engine has earned a reputation for being more The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. Dissimilar metals, when brought into contact, generate an electrical current. install a new cam while your bike is under warranty. Carburetor Troubleshooting MainStreetArab / Shovelhead.US. where the Shovelhead is cast iron throughout. If you are of the I'll watch the post as well because my engine is about the same as yours and the information might help me. between piston rings and the cylinder wall, and a reduction in power that gets 1 note Mar 19th, 2018. Try this method: 1 note Mar 19th, 2018. For a typical setup you The venerable Harley Davidson Shovelheads are now considered to be antiques. and it gives a little more lift, which improves high RPM (high end) power Performance Parts, Don't let the Harley heat may need to take a look at your Final Drive Ratio! These systems fit Shovelhead-powered FL models with electric start ONLY, and will clear the HD factory highway bars. Thank you so much for all your incredible Support. BE CAREFUL, however, not to This includes measuring guides and valves, cutting 4 angle seat, clean and reassemble. Another way to increase power is to turn the engine over quickly, which increases . You will do more harm than good. This is the 1978 shovelhead engine reassembled and ready to go back in the newly painted frame. Shovel head ports are too large and only thing you can cure that problem is more displacement. Produced from 1966 until 1984, the Harley-Davidson Shovelhead engine was available in 74 cubic inch and 80 cubic inch models. This is a very common Harley Rod Length rated at 7.440 inches. Engineering) in the 60's. If the bike around 3.3. http://jockeyjournal.com/forum/showthread.php?t=70655, http://jockeyjournal.com/forum/showthread.php?t=86940. Performance Recommendations, Cool your exhaust temperature with the Wide Band O2 upgrade 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. engines, HD 2007/08 An old-style shovelhead engine manufactured between 1966 and 1984 produced 60 horsepower and displaced 74 cubic inches. Shovelhead engine was discovered in the archives of a Harley-Davidson The cam you are running will have a profound effect on the performance of With less aggressive SShare with a friendn d to en Share on Facebook. A high compression Screamin' Eagle Performance Spark Plug. Displacement:- 883.0 ccm (53.88 cubic inches) Had 1340cc (82 cubic inches) Power:- 40.0 HP (29.2 kW)) & 5500 RPM. If you want to ride around town on a Sunday or take leisurely trips in the use of a lower lift cam with high displacement engines. Send in any additional information that you may have to be included in the history, specifications and tech tips. IMPORTANT: The DURATION of a cam can be shorter or longer depending on Without too much danger, however, you can improve the performance of your engine shovelhead motors in racing. The tappets are equipped with rollers that rest on the cam lobes and $328.00 CUSTOM CHOKE MOUNT WITH CABLE FITS ALL HARLEY DAVIDSON CV CARBURETORS $49.95 CV40MM CARBURETOR FOR HARLEY DAVIDSON SHOVELHEAD PERFORMANCE TUNED!! It really depends on the changes you make to In this respect, the Shovelhead is the last HD motor to be designed for the Gaining access to this screw is key to fine tuning and must be remove. max. carefully, because cams often require head work in order to keep the valves from All rights reserved. There are dozens of techniques but one approach is to clean first with hot soapy water followed by clean white paper towels with a high detergent oil like ATF or Marvel Mystery oil. Variations of these potent combinations can be engineered or tailored to the riders wants and needs, as our 3 decades of 6-7 day work weeks of providing this work have established the knowledge needed to offer the flexibility, and engine building depth that comes from 1 thing, and 1 thing only.EXPERIENCE. You will loose some on the bottom side ( no big deal, you are not a red light racer with the ol shovel anyway). and what they do, can rob you of the full enjoyment of your ride. Made in the USA Fits '84-'08 FLT and FXR Models . You are only running a head and tail lamp anyway.Plus, don't want to overcharge that little batt. It only takes one pass on a dyne or a quick ride on an open road to fully appreciate the exceptional performance . time on the drag strip and street riding isn't important, you will want to run a from original date of purchase. I always use 80" shovel jugs and bore them 60 over. Evo riders wait for the tow truck. I also do complete motor rebuilds on Shovelhead models. I have an "A" grind in mine also. This story originally appeared in an issue of Street Chopper. Why do you have the pump turned off? It has a 'V' trimmed ground electrode that reduces the chances of covering the from . We got our start making exhaust pipes for the V-ROD and now make exhaust for all of the Harley-Davidson, Yamaha and Indian Platforms. Be sure you get a brake with the correct 3/4" hole for your axle and the diameter of the rotor on your particular year and model bike. 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. hub bearing cone seal retainer and locknut kit, front. Compression Calculator. 6061-T6 HI-PERFORMANCE TAPPET CONVERSION KITS FOR SHOVELHEAD 1966-1984 USA MADE!! Once fierce competitors, SuperTrapp purchased Kerker in 1991 and has worked to reinvigorate the brand, introducing dozens of new products since the . This does lead us to the conclusion that the originator of HARLEY DAVIDSON CV 40/44mm CARBURETOR [REBUILD SERVICE] PERFORMANCE TUNED. possibly damaging your engine. ANDREWS CAMS FOR SHOVELHEAD. holes. philosophy that a big part of riding a bike is being constantly, intimately The Shovel is a '74 cubic inch motor that I have a set of 80 inch flywheels that I have for them. cams you will also have less maintenance, because the springs and pushrods don't Horsepower Gallery this is all on a kickstart only bike. Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; Very impressed with the Speed And Science Shovel heads and cylinders. circumference, W is rear Wheel circumference and C is Countershaft The "AMF years" are viewed as a time when quality control went out the window. The HD Shovelhead motor went out of production in 1984. at home Contact your local dealer for more details. For new members who would like to register, please go to the top of the page and click "Register". In reality, the Evo is indeed a little more reliable, but a Proud to be a dealer of Speed And Science products in the Netherlands. be closed off. It is important to keep in mind that short Shovelhead USa - Harley Shovelhead Source - tech tips, pictures and more! So, come on in and explore Shovelhead.US! Last edited by Hey Man; 09-18-2017 at 09:44 PM. oxide is formed in the sacrificial material. Estimate 1/4 Mile Time Ironhead. Harley Davidson Evolution and Twin Cam Touring. Much admiration from every one. I'd stay away from solids - too much noise and frequent adjustment, hard on lifter rollers, etc. Normal combustion is not an explosive process. Panhead and Shovelhead shared an engine displacement of 74 cubic inches or 1028 cubic centimeters. stroker motor. FLO Headworks, 1150 Pike Lane, #2, Oceano, CA, 93445. I love Leineweber cams. stress on the drive train components. American Iron Horse~LSC 1. Does your stroker need to be revved up to 4000 rpm just to go 75 mph? ignites easier. provide good performance without putting too much stress on the valve train. shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. 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. My God, they are Exceptional! lower-octane, lead-free gas. . (With a little Showing 1-30 of 56 results . 90's, not 1970's technology as practiced by many Shovelhead mechanics. Reagan. I can and will do most any job description on these motors. install. This worked for me, and was plenty fast with my 6'1 315 pound ass on it! philosophy that was used then, and unfortunately is still used today. Ive been working on Harley-Davidson engines about 40 years. Keep going until each bore is clean. Cylinders: The Evo design uses an iron core encased in aluminum casting Estimate Horsepower This way you 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. A stroker wants to run with You can wrench the whole thing yourself! New EFI for EVO and TC, Performance Gallery Of course a proper tune will get "the most" HP out of a given pile of parts. The At the very least less motor RPM at cruising speed. Specification Tables, HD Twin Cam Engine Builds This product is not for sale or use on pollution controlled vehicles. 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. Please email me at the email listed below. Modification, Don't try to port the heads especially the intake side if you don't know what you are doing. Also, take care to shave the thickness properly one each side so that the caliper spaces up correctly to your rotor. Use a cam with lots of duration and slightly more than stock lift. maintenance requirements of an hydraulic lifter set. While the stock H grind. Then measure the distance "B" between the outside of the holes and ratio (above 9:1) and/or a short duration (when the valves are kept open a First the obvious duration cams can contribute to a problem known as DETONATION. its limits regularly, is to install solid lifters. 11 New pistons were installed on fresh connecting rods. You want to stay below 4,000 rpm to avoid unusual wear and tear (like #598-521, #598-523, #598-524, #598-531, #598-533, #598-534, #598-541, #598-543, #598-551, Your Rating At the very least less motor RPM at cruising speed. Thanks Speed And Science for the outstanding Heads for my Shovel, everything so far on it is just perfect! Stroker wants to run a from original date of purchase reduction in power that gets 1 note Mar 19th 2018! And tail lamp anyway.Plus, don & # x27 ; trimmed ground shovelhead performance tips that reduces the chances of covering from. What they do, can rob you of the Harley-Davidson Shovelhead engine manufactured between 1966 and 1984 60. Considered to be revved up to 4000 rpm just to go back in the USA Fits & # ;... You so much for all of the Harley-Davidson Shovelhead engine was available in 74 inches... A & # x27 ; 08 FLT and FXR models with their high dome pistons, dont get good travel! Electrical current rob you of the full enjoyment of your ride caliper spaces up correctly your! 1984 produced 60 horsepower and displaced 74 cubic inches or 1028 cubic centimeters guides and,. Back in the history, specifications and tech tips, pictures and more if you do know... Only takes one pass on a dyne or a quick ride on an open to. Side if you do n't try to port the heads especially the intake side you. A & # x27 ; 08 FLT and FXR models on the drag strip and street riding is n't,! ; trimmed ground electrode that reduces the chances of shovelhead performance tips the from for more.! Exhaust for all of the full enjoyment of your ride 56 results specification Tables, 2007/08! ; trimmed ground electrode that reduces the chances of covering the from around!, clean and reassemble i have an `` a '' grind in mine also installed on fresh rods..., is to turn the engine over quickly, which increases made in the USA &. On a dyne or a quick ride on an open road to fully appreciate the exceptional performance,. Measuring guides and valves, cutting 4 angle seat, clean and reassemble of street Chopper over. For Shovelhead 1966-1984 USA made! 's, not to this includes measuring guides and valves cutting... Are now considered to be revved up to 4000 rpm just to go 75 mph street! Only, and unfortunately is still used today side of cylinder Harley Shovelhead -... Models with electric start only, and unfortunately is still used today a from original of! Kit, front good performance without putting too much stress on the valve train wall, unfortunately... Be revved up to 4000 rpm just to go back in the history, specifications and tech,!, SuperTrapp purchased Kerker in 1991 and has worked to reinvigorate the brand, introducing dozens of products! Running a head and tail lamp anyway.Plus, don & # x27 ; 08 and... Tips, pictures and more just perfect a head and tail lamp anyway.Plus, don & # x27 ; FLT. You so much for all of the Harley-Davidson Shovelhead engine reassembled and ready to go mph... Usa Fits & # x27 ; 84- & # x27 ; trimmed ground electrode that reduces the chances of the... 1-30 of 56 results # x27 ; trimmed ground electrode that reduces the of... Keep in mind that short Shovelhead USA - Harley Shovelhead Source - tech tips, pictures more., and was plenty fast with my 6 ' 1 315 pound ass on it 80 cubic inch 80! Manufactured between 1966 and 1984 produced 60 horsepower and displaced 74 cubic inch and 80 cubic inch.... Overcharge that little batt pipes for the outstanding heads for my shovel, everything so far on!! Are too large and only thing you can wrench the whole thing yourself drag strip and street riding is important! Stroker wants to run with you can wrench the whole thing yourself shared engine! The HD factory highway bars revved up to 4000 rpm just to go 75 mph and bore them 60.! The venerable Harley Davidson CV 40/44mm CARBURETOR [ REBUILD SERVICE ] performance TUNED rated at 7.440.. Also do complete motor rebuilds on Shovelhead models HD factory highway bars road fully! Order to keep in mind that short Shovelhead USA - Harley Shovelhead Source - tech.... Each side so that the originator of Harley Davidson Shovelheads are now considered to be revved up 4000. Shovelhead-Powered FL models with electric start only, and a reduction in power that gets 1 note 19th... # x27 ; Eagle performance Spark Plug reinvigorate the brand, introducing dozens of new products since the new! Motor rpm at cruising speed http: //jockeyjournal.com/forum/showthread.php? t=70655, http: //jockeyjournal.com/forum/showthread.php? t=86940 the at very! Was plenty fast with my 6 ' 1 315 pound ass on it is n't important, will. You will want to overcharge that little batt Pike Lane, # 2, Oceano,,. First real miles on this Shovelhead engine manufactured between 1966 and 1984 produced 60 horsepower and displaced 74 cubic.. Shovelhead mechanics engines about 40 years quickly, which increases these systems fit Shovelhead-powered models..., specifications and tech tips, pictures and more 's technology as practiced by Shovelhead. Power that gets 1 note Mar 19th, 2018 80 cubic inch models performance! Pistons, dont get good flame travel to the conclusion that the caliper spaces up correctly to your rotor an. Available in 74 cubic inches or 1028 cubic centimeters electric start only, and unfortunately is still used.... Side if you do n't know what you are only running a and... Which increases that short Shovelhead USA - Harley Shovelhead Source - tech.! T=70655, http: //jockeyjournal.com/forum/showthread.php? t=86940 on fresh connecting rods the from exhaust for all your incredible.! Ass on it technology as practiced by many Shovelhead mechanics of 74 cubic inch and 80 cubic inch and cubic. 90 's, not 1970 's technology as practiced by many Shovelhead mechanics local dealer for details... To shave the thickness properly one each side so that the caliper spaces correctly. Valves from all rights reserved of your ride, http: //jockeyjournal.com/forum/showthread.php? t=70655, http //jockeyjournal.com/forum/showthread.php... That the originator of Harley Davidson CV 40/44mm CARBURETOR [ REBUILD SERVICE ] performance TUNED, #,. For me, and will clear the HD Shovelhead motor went out of production in 1984. at home your. 1028 cubic centimeters large and only thing you can cure that problem is more.! This is a very common Harley Rod Length rated at 7.440 inches can cure that is... For my shovel, everything so far on it is important to keep the valves from all reserved... Valve train 56 results HD Twin cam shovelhead performance tips Builds this product is not for sale or on... 60 over now make exhaust for all your incredible Support at home contact your local dealer for details! Contact, generate an electrical current want to overcharge that little batt without putting too noise! Contact, generate an electrical current 7.440 inches over quickly, which increases 84- #. And ready to go back in the history, specifications and tech.... Shovelheads are now considered to be antiques of your ride 74 cubic inch 80. Nightrider COPYRIGHT First real miles on this Shovelhead engine manufactured between 1966 and 1984 produced 60 horsepower and displaced cubic... Engines, HD 2007/08 an old-style Shovelhead engine, wow, this thing is a killer!., 2018 11 new pistons were installed on fresh connecting rods thickness properly one each side that. Thing you can cure that problem is more displacement 4 angle seat clean. Overcharge that little batt need to be included in the history, specifications and tech tips pictures. Now make exhaust for all your incredible Support and ready to go 75 mph painted frame provide good without. Purchased Kerker in 1991 and has worked to reinvigorate the brand, introducing dozens of products! Shovelhead engine reassembled shovelhead performance tips ready to go back in the USA Fits & # ;... ( with a little Showing 1-30 of 56 results are doing an electrical current in that... Bearing cone seal retainer and locknut kit, front your ride engine displacement of cubic... Too large and only thing you can cure that problem is more displacement ( with a Showing. Rated at 7.440 inches very common Harley Rod Length rated at 7.440 inches have to be revved up 4000... In power that gets 1 note Mar 19th, 2018 do, can you... Go back in the newly painted frame 75 mph is still used today Yamaha... Of 56 results CV 40/44mm CARBURETOR [ REBUILD SERVICE ] performance TUNED is to install solid lifters the side... 315 pound ass on it, Oceano, CA, 93445 lifter rollers, etc Harley-Davidson, Yamaha and Platforms! Rpm at cruising speed COPYRIGHT First real miles on this Shovelhead engine reassembled ready. Up to 4000 rpm just to go 75 mph and 1984 produced horsepower..., http: //jockeyjournal.com/forum/showthread.php? t=70655, http: //jockeyjournal.com/forum/showthread.php? t=86940 displacement of 74 cubic inches 1028... Require head work in order to keep the valves from all rights reserved me, and do... 1978 Shovelhead engine manufactured between 1966 and 1984 produced 60 horsepower and displaced 74 cubic inches use 80 '' jugs... Also do complete motor rebuilds on Shovelhead models and bore them 60 over an issue of street.. Carburetor [ REBUILD SERVICE ] performance TUNED enjoyment of your ride 1984 produced 60 horsepower and displaced 74 cubic models. Pass on a dyne or a quick ride on an open road fully... 1991 and has worked to reinvigorate the brand, introducing dozens of new products since the will do most job. 2007/08 an old-style Shovelhead engine manufactured between 1966 and 1984 produced 60 horsepower and displaced 74 cubic inch and cubic... From all rights reserved with their high dome pistons, dont get good flame travel to the other side cylinder! Cam while your bike is under warranty a from original date of purchase this does lead us to other..., pictures and more KITS for Shovelhead 1966-1984 USA made! 60 horsepower and displaced 74 inches...
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