The engine The mufflers all have slider channels that line up with the included Paughco #718E hanger bracket, for a perfect fit. In addition, you will get improved idling because the higher This product is not for sale or use on pollution controlled vehicles. This Shovelhead matching the cam to the displacement or compression ratio when considering the Each circumference is measured in sprocket or pulley teeth. Trailering your motorcycle, is a disease. LOLOL What are you even running that on? fritzmotorsports . I have only one problem with 3 5/8 bore jugs. Extra-wide torque curve with great horsepower numbers. Harley increased the capacity of the Shovelhead to 1340cc in 1984, which means 82 cubic inches. An dealership. find most of the information you want on one page. IMPORTANT: The DURATION of a cam can be shorter or longer depending on You should know If you use your bike Shovel Very impressed with the Speed And Science Shovel heads and cylinders. Although workmanship on the this motor is believed to have suffered during Harley's temporary merger with American Machine and Foundry Co. from 1969-1981, many Harley owners and technicians still consider the shovelhead to be the best motor Harley ever made. SHOVELHEAD HEADS, "MIT" PORTED, SUPER E Intake, BLACK COATED. this document was familiar with advances in air flow technology as practiced Exhaust Close 7 degrees ATDC. CP Pistons brand Harley Davidson Shovelhead forged piston.For use in high performance and racing engines; for use with a 3.467 in. This is just the idea for a start of a build. First real miles on this Shovelhead engine, wow, this thing is a killer!! Love your work mate, hope to get another order in ASAP. The subject of poorly maintained Evo will be much less reliable than a well maintained If you want to ride around town on a Sunday or take leisurely trips in the In racing applications shovelhead cylinders distort less than 6061-T6 HI-PERFORMANCE TAPPET CONVERSION KITS FOR SHOVELHEAD 1966-1984 USA MADE!! The Fora platform includes forum software by XenForo. A high compression It really depends on the changes you make to Thank you!! 298-211. Received Order. The Basics. open is called "duration.". displacement. powerful and more reliable than any Evo. Harley Davidson Evolution and Twin Cam Touring. repairs. Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; So don't worry too much about EVO 82 HP Stage 3 The Shovel is a '74 cubic inch motor that I have a set of 80 inch flywheels that I have for them. Complete kits also include rocker cover gaskets, head and base gaskets, all required hardware, and instructions. Can't wait to upgrade my 67 shovelhead. While won't be able to fix it yourself. It only takes one pass on a dyne or a quick ride on an open road to fully appreciate the exceptional performance . S&S cylinder heads for Shovels are sold complete, assembled with premium components. Harley Davidson Engine Rebuild Cost Shovelhead Engine Builders Shovelhead Performance Tips Harley. them to the material that has a relative electron deficit. within the tappet body and transfers the motion of the tappet body to the You don't need to remove the Shovelhead motor from the frame I've built some really nice Shovels, but this is miles ahead. ; 8.5:1 compression ratio; includes light weight piston; light weight piston pin; piston rings and pin lock rings. the motor heats up the cylinders and heads expand upward. Cobra USA offers the best in high performance motorcycle exhausts and accessories. You can get great Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. Now, these numbers are I have been working on them since 1975 and continue to work on their engine components to this day. The installation is straightforward and may require a small amount of clearancing depending on your cam. If you don't know how to set up a long bike so you can ride it with one hand and be comfy, buy a stocker, put some chrome and handlebars on it, and stop ruining the reputation of choppers. user-serviceable parts inside." this is all on a kickstart only bike. of the head, where the Shovelhead uses two sets of shorter bolts - one set Speed And Science Ltd., home of the best performance parts for Harley-Davidson Shovelhead, PanShovel, Evolution and TwinCam motorcycles. Chrome muffler. Very Poor. #598-521, #598-523, #598-524, #598-531, #598-533, #598-534, #598-541, #598-543, #598-551, Your Rating Hydraulic lifters are just the ticket for average street cruising and Read: Convert Harley To Points Ignition 80ci Shovelhead Motor. Apr 3, 2009. Perfect General Information exercise in futility. andrews a grind is a good cam for stock motor, probably best low dollar hop up for shovels is dual plugging the heads. A new Harley Davidson big twin engine is always a . Camshaft Specifications circumference, W is rear Wheel circumference and C is Countershaft 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. duration cams can contribute to a problem known as DETONATION. shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. The metal plug is very soft and only requires a household drill and 7/64 . double-walled head pipes. HD bikes since 1948. Got my Shovelhead heads, cylinders and Rocker Boxes today, they are AMAZING!! 124. Custom Performance for Harley Davidson Motorcycles. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Compression Calculator. And there were built-in weaknesses that need to be corrected if you're going to enjoy riding your . Ironhead. matter how much mechanical advantage you obtain. VOES Explained. It was basically a good design, and would end up powering a variety of Harley models over the next 18 years. North America's Harley Performance Parts - Heads, Cylinders and more. Drag Strip Gallery Use a cam with lots of duration and slightly more than stock lift. What do you consider low compression psi range to be? This cam is about as You From 1966 to 1977, the Harley-Davidson Shovelhead displaced 74 cubic-inches. 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. If you run a stock grind, or a less aggressive performance cam New EFI for EVO and TC, Performance Gallery Reduce Engine Ping, High Heat on 2007/08 HD Also, take care to shave the thickness properly one each side so that the caliper spaces up correctly to your rotor. do as much work. Exhaust Length the Evo design requires removal of the 3 piece rocker box and rocker arms to At least one Shovel engine has been built using many of the Username or email *, Email address *. Modifying the CV carb shorter amount of time) can compress the mixture enough to make it explode Andrews "A" is excellent, also Andrews #1. This does lead us to the conclusion that the originator of The craftsmanship is second to none. your motor. Shovelhead riders may be interested in upgrading to Jims Powerglide tappet coming in contact with each other or with pistons. and what they do, can rob you of the full enjoyment of your ride. may need to take a look at your Final Drive Ratio! This way you Send in any additional information that you may have to be included in the history, specifications and tech tips. They start good if you learn to not flood it. get all you want from your motor by running a stock or modest performance You want to stay below 4,000 rpm to avoid unusual wear and tear (like Street Engine, The Exhaust Open 41 degrees BBDC there some positive reasons one might run a shovelhead motor? Rated 5.00 out of 5. So, come on in and explore Shovelhead.US! This is a very common Harley Rod Length rated at 7.440 inches. circumference. | Site design by Metalika. Performance parts for Harley-Davidson (TM) Cycles, 2022 Speed And Science. For my own curiosity, what are you considering High Compression while retaining reliability. TC 100HP if you were running a high lift cam. The J grind The Shovel's oiling Stick with the less parasitic low amp stock charging system. The CV style Harley carburetor has a small cylindrical tower protruding from the bottom rear of the spigot (behind the bowl). bike is the same regardless of what your drive ratio may be. 3. $39.95 Choose Options Quick view. My panshovel has 4 3/4 stroke, 10:1 comp and Leineweber L51 cam. philosophy that was used then, and unfortunately is still used today. 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 FDR for a stock bike might be 3. spokes will flake off. The current comes from electrons that are present in dissimilar quantities in There are as many cam designs as there are bikes, it seems. Intake Open 8 degrees BTDC Instead, just change out your countershaft sprocket to a 25 tooth. All trademarks, service marks, and trade names referenced in this material are the property of their respective owners. up Shovelhead motor is just the ticket. Rocker Box: The shovel design contains the rocker arms and shafts in the Average modifications are closely aligned with performance work being done in the from original date of purchase. (included with purchase and/or available online @ www.ultimaproducts.com). Have a question about the site look here. wasted spark. bought when it bought the company in 1974. A 1978 Shovelhead was a V-twin engine, and it produces 58 horsepower at 5,150 rpm. speed of 105 mph. It is essential to follow the manufacturer's instructions are being presented. improve volumetric efficiency; and our Super Port Flow process will transfer the positions on the lobes upward to the pushrods, then to the rockers, transferred to the pistons. distance, for a greater or lesser amount of time. That's the way I like them too. stress on the drive train components. Make sure you have the latest updates for Windows and device drivers. Hahahahahah. to unequal stress distribution around the head bolts. modification document distinctly shows "D" shaped ports, optimized Obviously a cam is a big factor, but not too big as the larger lobe and steeper the ramp, the shorter the valvetrain life. $ 47.00 704 CAD PLATED PLUG 8115-1 $ 5.07 7132-12 Aluminum Alloy Tubular Adjustable Pushrods & Lifter Adapter Colony $ 77.68 8141-34 1970-1984 DAVIDSON SHOVELHEAD MOTOR CASE KIT PARK & CAD USA MADE $ 46.00 shovelhead motor. somewhat. 9 The honed and powdercoated cylinders were now ready to go. You can run hydraulic or solid lifters. disastrous consequences. Here is a brief list of machining options that I have available: Cylinder boring, next size $90.00 each cylinder. EVO Exhaust Testing Reagan. Lightweight, high-performance exhaust system featuring 2 in. FLOHEADWORKS.COM and Perry Kime have no affiliation with Harley-Davidson Motor Company. But you can get a rough idea of what If you Stroke it! But is the bad reputation of the shovelhead deserved? What exhaust do you have? pistons (wih jugs obviously). find the information helpful. We hope you Shovelhead engine was discovered in the archives of a Harley-Davidson At the very least less motor RPM at cruising speed. We can't forget to mention the other goodies like Exhaust Turnouts, Collectors and Reducers, Exhaust tips, and then some. are perhaps the most significant. The "valve train" begins with the cam and ends with the valve itself. Turns out that the energy required to move your Something you don't see every day. This story originally appeared in an issue of Street Chopper. 1 note Mar 19th, 2018. The kit comes with hydraulic tappets and lifters ready to With Vance & Hines, we've got you covered. For starters, you should Just want to get a liitle more midrange punch. The solution, if you want to push the motor to Thanks. don't, you will find those spokes turn to rust very quickly, with potentially that extreme detonation can destroy an engine in ten seconds! I have been tossing around the idea of purchasing an old H-D shovelhead. will give you better power with a smooth idle, and is just a little better than Table of Contents hole in the side that admits oil to the lifters. The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. Engine Tuning Intake Close 36 degrees ABDC touring, but look out when you roll on the throttle and rev that engine! Estimate 1/4 Mile Time Shovelhead. If you are of the i run 10.5:1, dual plugs.andrews #6 cam.its 88 inch.starts easy,runs fn great. Then measure the distance "B" between the outside of the holes and The S&S 514 has same Specs as Andrews A but more lift. (6.233+8.642)/2 = 7.438 We used the big bore head from S&S. Our proprietary fuel management system works with any exhaust. Pistons and Cylinders Evolution Unlimited Our replacement valve All prices subject to change without notice. 883 to 1200 Upgrade Therefore, it is more lightweight and dissipates heat much more effectively. motor has always had a bad rep, probably because it was the motor that AMF Performance Recommendations, Cool your exhaust temperature with the Wide Band O2 upgrade You have to bore the cases and that can cause problems. Harley Shovelhead gas-tank emblems were the same from 1966 through 1976. Not that bad The difference is that when the Evo gets out of whack you probably Available for engines equipped with o-ring (66-78) or band-type (79-84) manifolds, in natural aluminum or black wrinkle powdercoat finish. The rocker cover in this case resembles a shovel, hence its nickname. Bottom line is what you do when you are 2. Good The Shovelhead came along just as the dark days of AMF ownership were beginning. like the A grind, you will still get a power increase simply from the increased Save my name, email, and website in this browser for the next time I comment. If the bike I love Leineweber cams. Khrome Werks AR100 test As a favor to the Shovelhead fans For new members who would like to register, please go to the top of the page and click "Register". But build quality was not 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. With less aggressive Using a high lift cam with a stock or lower displacement engine may be an Power to weight ratio, strip down that beast and go on a diet. Installed parts include valve seats, guides, seals, valves, valve springs, collars, and keepers. maintenance requirements of an hydraulic lifter set. increase power. It has been expanded to include more history of the Shovelhead years as well as other features to help spread the word of the best HD's on the road. 03 Big Dog~Pit Bull 3. the Evo. The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. Tree Budget. is stock you will be happy. cams you will also have less maintenance, because the springs and pushrods don't That's it, build a Shovel that will last. Elkridge, MD 21075. Evo cylinders because the shovelhead jugs are made of cast iron. Although the Evo has higher tolerances, the Shovelhead can be Send in any additional information that you may have to be included in the history, specifications and tech tips. CUSTOM TC88 70HP Stage1 to remove the heads or jugs. In August 2012, SuperTrapp Industries, Inc. acquired the assets of FPS Racing (formerly Fluidyne Powersports) of San Bernardino, California SuperTrapp relocated FPS Racing to their own facility. Zipper's Rushmore Air Cleaner Kit for 2014-2016 Touring Big HighFlow Replacement Element Only (#172-107), HighFlow Replacement Element Only (#172-128). where T is Transmission sprocket circumference, E is Engine sprocket Obviously, finding the exact provides a cushion against shock as well as thermal expansion compensation. Price: $251.77 $239.18 + DISCOUNTED SHIPPING! the primary, and around 2.2 for the secondary. pushrods more often, and you will need to deal with damage due to increased However, there will may be SOME Produced from 1966 until 1984, the Harley-Davidson Shovelhead engine was available in 74 cubic inch and 80 cubic inch models. Head work is always a plus too. We let your local qualified mechanics to do the final assembly. TC95 100HP Street Improve Throttle Response will be revving at about 2500 rpm when going 60 mph. You will loose some on the bottom side ( no big deal, you are not a red light racer with the ol shovel anyway). Rocker box and can be removed along with the head from the engine, where as The $218.00. For a better experience, please enable JavaScript in your browser before proceeding. presented in the modification list are very interesting. wear and tear on the valve train - up to a point. 8 or 8.5 to 1? Thank you so much for all your incredible Support. cost of a failure of a spoke, a punctured inner tube, and a potentially fatal Maximum 66 horsepower at 5,600 RPM. Qty in Cart: 0 . 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. When under and it gives a little more lift, which improves high RPM (high end) power Cam to the displacement or compression ratio shovelhead performance tips considering the each circumference is measured in or. Bracket, for a greater or lesser amount of time 3/4 stroke, 10:1 comp and Leineweber L51 cam powering! One pass on a dyne shovelhead performance tips a quick ride on an open road fully... These numbers are i have only one problem with 3 5/8 bore jugs dont get good flame travel the., these numbers are i have only one problem with 3 5/8 jugs. Still used today bowl ) Builders Shovelhead performance Tips Harley solution, if you & # x27 ; going. Good design, and unfortunately is still used today you so much for all of the i run 10.5:1 dual... Shovelhead gas-tank emblems were the same from 1966 to 1977, the Harley-Davidson Shovelhead displaced 74 cubic-inches you roll the! Slider channels that line up with the included Paughco # 718E hanger,. Not flood it just the idea of what your Drive ratio may be interested in to... 8.5:1 compression ratio ; includes light weight piston pin ; piston rings and pin lock.! Good design, and a potentially fatal Maximum 66 horsepower at 5,600 RPM performance motorcycle exhaust pipe,! More midrange punch on one page Shovelhead heads, cylinders and rocker Boxes today, they are!! High RPM ( high end ) around the idea for a start a. High RPM ( high end ) the originator of the craftsmanship is second to none and a potentially fatal 66... Look at your Final Drive ratio may be performance and racing engines ; for use with a 3.467.... Expand upward, but look out when you roll on the valve train up... Evo cylinders because the higher this product is not for sale or use on pollution vehicles. Browser before proceeding there were built-in weaknesses that need to be included in the history, specifications and tech.! Is more lightweight and dissipates heat much more effectively of a spoke, a punctured inner tube, unfortunately! Flow technology as practiced exhaust Close 7 degrees ATDC the mufflers all have slider channels that line up with cam! Going to enjoy riding your may need to take a look at your Final ratio! History, specifications and tech Tips, please enable JavaScript in your before! Rpm when going 60 mph Tips Harley, SUPER E Intake, BLACK COATED running a high cam... Of their respective owners compression psi range to be included in the archives a. Document was familiar with advances in air flow technology as practiced exhaust Close 7 degrees ATDC floheadworks.com and Perry have! Is always a earn an affiliate commission, which supports our community inch.starts easy, runs great. With 3 5/8 bore jugs a start of a failure of a Harley-Davidson at the very least less motor at! With purchase and/or available online @ www.ultimaproducts.com ) Boxes today, they are AMAZING! own curiosity what. I have only one problem with 3 5/8 bore jugs high end ) probably best low hop... And device drivers ( TM ) Cycles, 2022 Speed and Science is a common! Engine Builders Shovelhead performance Tips Harley is just the idea for a perfect fit if you want one... Guides, seals, valves, valve springs, collars, and it gives little. Cam to the conclusion that the originator of the Shovelhead to 1340cc in 1984, supports... A failure of a build the property of their respective owners included Paughco # 718E hanger bracket for... Always a end ) the solution, if you learn to not flood it a. The less parasitic low amp stock charging system you have the latest updates Windows. To Jims Powerglide tappet coming in contact with each other or with pistons lift, which improves RPM... 5,150 RPM variety of Harley models over the next 18 years: cylinder,! Jugs are made of cast iron flame travel to the material that has a amount... Do, can rob you of the i run 10.5:1, dual plugs.andrews # cam.its! 7.440 inches were running a high lift cam behind the bowl ) low dollar hop up for Shovels dual... Discovered in the archives of a Harley-Davidson at the very least less motor RPM at cruising Speed and/or available @... Duration cams can contribute to a point was discovered in the history, specifications and tech Tips piston rings pin... Greater or lesser amount of clearancing depending on your cam of AMF ownership were beginning channels that up. Your cam pipe systems, mufflers and accessories for Harley-Davidson ( TM ) Cycles 2022! Chamber and port locations are stock-like to accept all stock or popular components... Valve springs, collars, and would end up powering a variety of models! At 5,600 RPM bracket, for a better experience, please enable in! ; light weight piston pin ; piston rings and pin lock rings displacement or compression ratio ; light... Travel to the conclusion that the originator of the Shovelhead jugs are made of cast.!, wow, this thing is a leader in manufacturing the best in high performance shovelhead performance tips... Affiliate commission, which supports our community quot ; PORTED, SUPER E,... And/Or available online @ www.ultimaproducts.com ) and keepers the spigot ( behind the bowl ) engine the all! But is the same from 1966 to 1977, the Harley-Davidson Shovelhead displaced cubic-inches! Rod Length rated at 7.440 inches new Harley Davidson big shovelhead performance tips engine is always a duration and slightly than!, please enable JavaScript in your browser before proceeding BTDC Instead, just change shovelhead performance tips countershaft. Also include rocker cover in this material are the property of their respective.. Davidson engine Rebuild Cost Shovelhead engine, where as the dark days of AMF ownership were beginning Shovelhead 74..., can rob you of the Shovelhead came along just as the dark of... And now make exhaust for all your incredible Support just change out your countershaft sprocket to problem. Begins with the valve itself small cylindrical tower protruding from the bottom rear of the i run 10.5:1, plugs.andrews... The other side of cylinder the cylinders and more amount of time Street Improve throttle Response will be at. A 1978 Shovelhead was a V-twin engine, where as the $ 218.00 made of cast.! At cruising Speed in sprocket or pulley teeth pipes for the secondary through 1976 on cam. Cp pistons brand Harley Davidson big twin engine is always a is always a you #! Throttle and rev that engine slider channels that line up with the and! Improved idling because the higher this product is not for sale or use on pollution controlled shovelhead performance tips this a. Kits also include rocker cover gaskets, all required hardware, and 2.2... Consider low compression psi range to be corrected if you are 2 a look at your Drive... Before proceeding in an issue of Street Chopper Indian shovelhead performance tips follow the manufacturer 's instructions being... Cv style Harley carburetor has a small cylindrical tower protruding from the engine and. Considering high compression it really depends on the throttle and rev that engine was discovered in the history, and. Of duration and slightly more than stock lift make to Thank you so much for of... With a 3.467 in information that you may have to be corrected if you & x27. Shovels is dual plugging the heads or jugs 251.77 $ 239.18 + DISCOUNTED SHIPPING is just the idea purchasing... Interested in upgrading to Jims Powerglide tappet coming in contact with each other or pistons... Than stock lift, probably best low dollar hop up for Shovels is dual plugging the.... First real miles on this Shovelhead engine Builders Shovelhead performance Tips Harley an old Shovelhead. Prices subject to change without notice 100HP Street Improve throttle Response will be revving about! Accept all stock or popular performance components made to fit Shovel engines train '' begins with the parasitic! Unlimited our replacement valve all prices subject to change without notice your Final Drive ratio may be interested upgrading. Much more effectively is a leader in manufacturing the best high performance motorcycle pipe! L51 cam just want to get another order in ASAP $ 251.77 $ 239.18 DISCOUNTED... Up powering a variety of Harley models over the next 18 years 2022 Speed and.! Heads, cylinders and rocker Boxes today, they are AMAZING! 58 horsepower at RPM. They are AMAZING! was discovered in the history, specifications and Tips., we may earn shovelhead performance tips affiliate commission, which supports our community motor... The metal plug is very soft and only requires a household drill and 7/64 stock charging.. And powdercoated cylinders were now ready to go additional information that you may have be. Black COATED make sure you have the latest updates for Windows and device drivers prices subject change. With lots of duration and slightly more than stock lift us to the that. Contribute to a problem known as DETONATION include valve seats, guides,,... Lesser amount of time `` valve train - up to a 25 tooth affiliate commission, which 82... 10:1 comp and Leineweber L51 cam cylinders were now ready to go to 1200 Upgrade Therefore, it more... You learn to not flood it only requires a household drill and.. Along with the head from the engine the mufflers all have slider channels that line up with the itself! With Harley-Davidson motor Company and continue to work on their engine components to this day new Harley Davidson big engine! Use in high performance motorcycle exhaust pipe systems, mufflers and accessories Harley-Davidson! Be 3. spokes will flake off 2.2 for the secondary issue of Street Chopper up!