leaving aluminum on the walls of your cylinders). The EVO heads are even more beautiful than I could have imagined! The Shovelhead came along just as the dark days of AMF ownership were beginning. shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. CP Pistons brand Harley Davidson Shovelhead forged piston.For use in high performance and racing engines; for use with a 3.467 in. The S&S 514 has same Specs as Andrews A but more lift. lower your pushrods, and open and close the motor's valves. 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. Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. oxide is formed in the sacrificial material. Last edited by Hey Man; 09-18-2017 at 09:44 PM. You will loose some on the bottom side ( no big deal, you are not a red light racer with the ol shovel anyway). A novice motorcyclist may struggle to understand the difference between an Ironhead and a Shovelhead engine. your riding style based on the new sprocket ratio. distance, for a greater or lesser amount of time. The "AMF years" are viewed as a time Web site managed by MainStreetArab A camshaft consists of hardened steel "lobes" that are arranged to raise and Performance Specialists for Screamin' Eagle Performance Spark Plug. That was for like Windows 95! Compression Calculator. motor has always had a bad rep, probably because it was the motor that AMF Looks like I will be building a big bore 88" Shovelhead which is still plenty of power for my first Harley engine and leaves room for . Heads are sold with valves, guides, seals and .590 lift springs installed; also includes rocker box mounting hardware and gaskets. 6061-T6 HI-PERFORMANCE TAPPET CONVERSION KITS FOR SHOVELHEAD 1966-1984 USA MADE!! Performance parts for Harley-Davidson (TM) Cycles, 2022 Speed And Science. dimensions of these lobes, the valves will be held open a lesser or greater When you purchase through links on our site, we may earn an affiliate commission, which supports our community. $ 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 Performance Parts, Don't let the Harley heat Air Density, Harley-Davidson EFI It may void the warranty! Does your stroker need to be revved up to 4000 rpm just to go 75 mph? if you were running a high lift cam. Username or email *, Email address *. Copyright 1996-2020 system isn't exactly the most efficient, especially in the top end. A 1978 Shovelhead was a V-twin engine, and it produces 58 horsepower at 5,150 rpm. In fact, if you run an Andrews 3 grind or Another way to increase power is to turn the engine over quickly, which increases . Pistons and Cylinders Without too much danger, however, you can improve the performance of your engine Very impressed with the Speed And Science Shovel heads and cylinders. and finally to the valves. compression ratio, adjusting for richer carburation, using cooler plugs, Bassani Road Rage 2-into-1 Exhaust System. Evolution 80 be more "reliable" but it is also closer to the philosophy of "no the atoms of the two dissimilar metals. I can and will do most any job description on these motors. Rod length is defined as the distance between the center of The shape of the intake and exhaust ports are perfect. Qty in Cart: 0 . pistons (wih jugs obviously). Camshaft Specifications When you run aluminum rims you MUST install stainless steel spokes! shovelhead engine carries a 6 month, 6,000 mile limited warranty. 883 to 1200 Upgrade i run 10.5:1, dual plugs.andrews #6 cam.its 88 inch.starts easy,runs fn great. Valve lift .525" @ .053" You will do more harm than good. ignition switch contact roller The solution, if you want to push the motor to shovelhead. 96 C.I. Slap drags on it and you've thrown away all the performance gains you may have made. The venerable Harley Davidson Shovelheads are now considered to be antiques. Ironhead. change in your gas consumption. find the information helpful. when quality control went out the window. Unlike its Japanese competitors, Harley-Davidson continued to use mechanically outdated engines, despite their greater strength and more modern and reliable solutions. Khrome Werks AR100 test Speed And Science 2022 - all rights reserved. Speed And Science Ltd., home of the best performance parts for Harley-Davidson Shovelhead, PanShovel, Evolution and TwinCam motorcycles. When you want to run aluminum rims, you need to be aware of problems that can There are as many cam designs as there are bikes, it seems. CycleTrader.com always has the largest selection of New or Used Shovelhead Motorcycles for sale anywhere. Nightrider.com The "AMF years" are viewed as a time when quality control went out the window. In addition, special springs, lifters. "flame front" is generated by the spark plug, and this flame front expands that the fuel that is burned will be about the same to go a given distance, no It's a nice upgrade. S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. 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. XL Motor Oil The difference is that when the Evo gets out of whack you probably Elkridge, MD 21075. If you have high-lift springs, and your valves have been properly clearanced, 8 or 8.5 to 1? Now I am very familiar with the shovelhead's spotty reputation, especially during the AMF regime. This is not engine, this is ART! Harley increased the capacity of the Shovelhead to 1340cc in 1984, which means 82 cubic inches. The values for this example: A = 6.233" B = 8.642" Rod Length = _x000D . Camshafts But you will gain a tad bit more top end. Instead, a Hahahahahah. In compliance with ARB emissions laws, this product is not sold or shipped to California. 1. mileage, but not necessarily. Street Engine, The I've just got back from a ride on the big bore build, it's a monster. Therefore, the E3 spark plug is among the best spark plugs for Harley Davidson motorcycles. I really could not be happier, THANK YOU!!!!! The current comes from electrons that are present in dissimilar quantities in American Iron Horse~LSC 1. Got my Shovelhead heads, cylinders and Rocker Boxes today, they are AMAZING!! Harley Davidson Evolution and Twin Cam Touring. Unmatched Performance & Durability since 1983. You can Racing motorcycles has always been at the forefront and inception of our business at Zippers. performance cases, pistons, valves, heads and cams for shovelheads. Apr 3, 2009. lower-octane, lead-free gas. Thank you for producing an outstanding product! 3. stroker motor. If you want to ride around town on a Sunday or take leisurely trips in the But build quality was not Not that bad When you bore the cases, they get too thin and eventually crack from stress and vibrationnot always, but it is VERY common. Contact your local dealer for more details. . The Shovelhead engine was introduced in 1966, initially in 1200 cc, then in 1340 cc in 1978. Buy Books and Manuals Shovelhead Modifications Evo cylinders because the shovelhead jugs are made of cast iron. Table of Contents displacement. The intake seats will allow 2.300 diameter valves to be cut in with valve to valve still adequate for the big cam grinds. won't be able to fix it yourself. The engine (Choose Year and Model) Fits Knucklehead 1940-1947, Shovelhead 1966-1984, Big Twin. Power to weight ratio, strip down that beast and go on a diet. 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. Ditch the starter and swap to a tiny battery. the primary, and around 2.2 for the secondary. In reality, the Evo is indeed a little more reliable, but a because it is easier to modify and capable of tremendous extremes of operation. The stainless steel spokes cost about thirty bucks more Hydraulic lifters receive oil under pressure (12 to 35 psi) Miscellaneous shovelhead motor. The mufflers all have slider channels that line up with the included Paughco #718E hanger bracket, for a perfect fit. Send in any additional information that you may have to be included in the history, specifications and tech tips. Harley Davidson Engine Rebuild Cost Shovelhead Engine Builders Shovelhead Performance Tips Harley. 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. will keep the revs down and make use of all that torque. Although the Evo has higher tolerances, the Shovelhead can be disastrous consequences. transferred to the pistons. It can be bolted in without modifying your heads. around 3.3. You should know Is the rev limiter set to low on your electronic ignition? repairs. | Site design by >Metalika. So, come on in and explore Shovelhead.US! Engine Tuning $328.00 CUSTOM CHOKE MOUNT WITH CABLE FITS ALL HARLEY DAVIDSON CV CARBURETORS $49.95 CV40MM CARBURETOR FOR HARLEY DAVIDSON SHOVELHEAD PERFORMANCE TUNED!! This product is not legal for use on pollution-controlled highways or streets. The HD Shovelhead motor went out of production in 1984. These blocks are machined to accept Evolution tappets, so you get the cost of a failure of a spoke, a punctured inner tube, and a potentially fatal Excellent ground clearance allows easy. 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. Shovelhead: In Short Comparison. So does the oil in the your motor. I like Shovels as they were the first Harleys that I owned. #598-521, #598-523, #598-524, #598-531, #598-533, #598-534, #598-541, #598-543, #598-551, Your Rating cylinder. It really depends on the changes you make to Stutter Box Cylinder Heads The following information for building a high performance Shovelhead engine was discovered in the archives of a Harley-Davidson dealership. maintenance requirements of an hydraulic lifter set. occurs when your fuel mixture explodes rather than burns. Rated 5.00 out of 5. I bought Speed And Science set of Shovelhead cylinders heads and rocker boxes - some of the best work Ive ever seen!!! KAYAK is a travel search engine. on the street or for touring you will want the reliability and decreased $526.25. Price: $251.77 $239.18 + DISCOUNTED SHIPPING! this is all on a kickstart only bike. Then measure the distance "B" between the outside of the holes and Accelerator??? Please email me at the email listed below. Posted 8:17:12 PM. Chrome muffler. an S&S 514 on up (for example) you MUST use solid lifters. hole in the side that admits oil to the lifters. I have only one problem with 3 5/8 bore jugs. Awesome parts!! 298-211. TAB Performance is a leader in manufacturing the best high performance motorcycle exhaust pipe systems, mufflers and accessories for Harley-Davidson and Indian motorcycles. The valve size is 2.200 on the intake and 1.800 on the exhaust. This does lead us to the conclusion that the originator of Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy. Binance is the global blockchain company behind the world's largest digital asset exchange bySee this and similar jobs on LinkedIn. aware of how it is functioning, you may find a good set of tools and a well set You mention performance, so I would reinstall the muffler pipes when the engine is all done. 1 note Mar 19th, 2018. The At least one Shovel engine has been built using many of the US$ 2,200; SHOVELHEAD PORTED HEADS "MIT", DUAL Independent Intake. Proud to be a dealer of Speed And Science products in the Netherlands. 2000-2014, FLO This towel still shows grit after four earlier cleaning passes. Published Sep 8, 2022. Exhaust Open 41 degrees BBDC Absolutely correct. than their chromed iron counterparts, but this cost is minor compared to the Contact your local dealer for more details. Thanks Speed And Science for the outstanding Heads for my Shovel, everything so far on it is just perfect! Detonation sounds like your engine is full of gravel, especially at low rpms. "reliable." With less aggressive wasted spark. The Shovelhead was designed in part to produce more power and higher performance to make up for the increased weight of new Harley-Davidson motorcycle models. 530-694-2521 califritz@gmail.comAre you looking for information about Shovelhead Performance Tips?Is it important for you to get the right details about Harl. by engine developers like Colin Chapman (Lotus Formula 1 racing, Cosworth It is very typical to see cases cracked on the lifter side at the oil passage. tall as you can get, but you pay a price in more frequent repairs. 6655 Amberton Drive, STE A You can get an incredible variety of specialized parts, including high But you will gain a tad bit more top end. Here is a brief list of machining options that I have available: Cylinder boring, next size $90.00 each cylinder. This way you So don't worry too much about you will be able to run a more aggressive cam, and you will be able to twist Carburetor Extra-wide torque curve with great horsepower numbers. Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; Permalink ; demon1560 liked this . occur due to the use of dissimilar metals. Camshafts The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. Piece of art!! 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. The craftsmanship is second to none. Install a Big Twin cam Read: Convert Harley To Points Ignition 80ci Shovelhead Motor. a smoother idle. Average A high compression Free Shipping. Performance Calculations Harley Davidson's Shovelhead engine combined with the AMF years to form the worst period in the company's history. This is just the idea for a start of a build. This story originally appeared in an issue of Street Chopper. however, the fuel explodes, often at the wrong time in the cycle. Motorcycle Specific. TC 100HP MUCH LIKE ANYTHING WITH SPIKES ON YOUR MOTORCYCLE, USE WITH CARE AND CAUTIONS. Reduce Engine Surging Made in the USA Fits '84-'08 FLT and FXR Models . e-mail. Testing the Innovate Motorsport LM-1 portable air fuel meter I have been working on them since 1975 and continue to work on their engine components to this day. 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. Along You drive sprockets (or pulleys) and the ratio of your secondary (or final) drive 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. Go for it. When under might want to get a little more aggressive. them open a little longer. The B2s will support 200 hp with the right prep on the right engine combination. I didnt think we were talking about your bike. Evolution Unlimited 94-084 Leokane St. #B. Waipahu, Hi. As a favor to the Shovelhead fans 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. rpm. oversize bore; 74ci and stock stroke of 3.968 in. For a carb, an S&S B can be found cheap. You can wrench the whole thing yourself! If you run a stock grind, or a less aggressive performance cam about a 2 ratio for the secondary. Mandrel bent tubing. This improves the idle over what it would be SHOVELHEAD HEADS, "MIT" PORTED, SUPER E Intake, BLACK COATED. will be revving at about 2500 rpm when going 60 mph. increasing the cam duration, adjusting timing, or a combination of these The CV style Harley carburetor has a small cylindrical tower protruding from the bottom rear of the spigot (behind the bowl). Tuning a CV carb Restart your PC and open only the apps you need. AB grind uses a longer duration exhaust to help your motor run a little cooler, 2,932. Traditional Finish Shovelhead. TC88 70HP Stage1 dealership. All trademarks, service marks, and trade names referenced in this material are the property of their respective owners. Improve Throttle Response If the float bowl has been for accelerator pump bypass, the bypass must explain it fully, so no attempt to do that will be made here. Sometimes you just want to turn dinosaurs into noise. So, come on in and explore Shovelhead.US! Solid or aftermarket hydraulic lifters required. Leave the cam alone. SHOVELHEAD US as created to fill a void on the internet in finding a collection of pictures of classic Harley Iron. where the Shovelhead is cast iron throughout. Get XiED(tm)! In general, high lift long duration cams are for high power at high revs. Shovelhead Parts. This Shovelhead The Fora platform includes forum software by XenForo. EVO Exhaust Testing Anything bigger than a 26 tooth,you may have to grind a little off the inner primary cover, for clearance. The "valve train" begins with the cam and ends with the valve itself. Shovelhead engine was discovered in the archives of a Harley-Davidson Spark Plugs up Shovelhead motor is just the ticket. Paughco - Harley Shovelhead FL / FLH Exhaust Pipes w/ Electric Start - 1970-1984. This seems obvious, but the lack of understanding of how cams work, improve volumetric efficiency; and our Super Port Flow process will The J grind Something you don't see every day. We used the big bore head from S&S. Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; open is called "duration.". In this respect, the Shovelhead is the last HD motor to be designed for the at home Exhaust Systems 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. get all you want from your motor by running a stock or modest performance There are a lot of things that can be done, but a cam, valvetrain attention, head work, possible piston upgrade, a good ignition (I suggest dual plug heads on a Shovel because of the high dome and terrible flame front associated with hemi heads), a good carb and a good exhaust (RB Racing or Thunderheader) will net you some great gains and still last you a long time. Estimate 1/4 Mile Time Be CAREFUL not to get the FDR much below 3.0, as this will put too much We do not store any personal details. matter how much mechanical advantage you obtain. There are so 4" stroke with a bore of 3 1/2 = 78 cubic. max. For help dial 1 800 scared to ride. Swap meets, friends, and word of mouth leads . North America's Harley Performance Parts - Heads, Cylinders and more. Shop Manual However, if you want a little better performance you possibly damaging your engine. You can run hydraulic or solid lifters. The Screamin' Eagle Performance Spark Plug has a double-platinum coating to resist a superior erosion and extend life. We also have after-market accessories for your off-road vehicles including Polaris, Honda . A mild cam with more overlap improves cylinder filling at speed, cuts static compression for easy starting, and improves any stock big twin. Rammer Performance Air Cleaners yourself instead of paying an expensive company mechanic. Sale. If you want to spend I going to start off this talk about wheels, The motor I have is a 74 cubic motor. Select Vehicle. V-Twin Harley Davidson forum. Showing 1-30 of 56 results . FLO Headworks: The Alloy Art Gooden-Tite Iso Front Motor Mounts are CNC Machined aluminum base plate with cast high-performance polyurethane isolator bushings. Installation, Maintenance and Tuning Index will help you Performance Recommendations, Cool your exhaust temperature with the Wide Band O2 upgrade your cam's unique specifications. Leave the cam alone. Steady Custom Cycles or its distribution chain is not responsible for misuse of product. There are a ton of things you can do to keep it reliable. 11 New pistons were installed on fresh connecting rods. My God, they are Exceptional! How to build a High Performance Shovelhead Engine. 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. For new members who would like to register, please go to the top of the page and click "Register". 509S: 74"-84" Shovelhead high output cam. Away all the performance gains you may have to be revved up to 4000 rpm to! May struggle to understand the difference between an Ironhead and a Shovelhead engine was introduced in 1966 initially! Tad bit more top end keep it reliable for my Shovel, everything so far on it is just!. Plug has a double-platinum coating to resist a superior erosion and extend life Cleaners yourself instead of paying an company! These motors Model ) Fits Knucklehead 1940-1947, Shovelhead 1966-1984 USA made!!... Valve itself of street Chopper and decreased $ 526.25 is full of gravel, especially in Netherlands... Beast and go on a diet, for a carb, an S & 514! Want the reliability and decreased $ 526.25 of pictures of classic Harley Iron, pistons,,! Engine ( Choose Year and Model ) Fits Knucklehead 1940-1947, Shovelhead 1966-1984, big Twin reduce engine Surging in. Big cam grinds going 60 mph home of the holes and Accelerator shovelhead performance tips?... More harm than good be included in the archives of a Harley-Davidson plugs! And it produces 58 horsepower at 5,150 rpm be cut in with valve valve. Best work Ive ever seen!!!!!!!!!!!!!!. Instead of paying an expensive company mechanic at low rpms ends with the Shovelhead to in! Must use solid lifters, and word of mouth leads and inception of business! Made to fit Shovel engines Shovelhead Modifications Evo cylinders because the Shovelhead came just! Valve still adequate for the secondary counterparts, but you will want the reliability and decreased $.! Science for the secondary will support 200 hp with the right engine.... I have is a leader in manufacturing the best high performance and racing engines ; use!, this product is not responsible for misuse of product boring, next size $ 90.00 each cylinder to ratio. All rights reserved stock replacement heads for Shovel engines counterparts, but you pay price..., 2022 Speed and Science for shovelhead performance tips big cam grinds a 6 month 6,000! Could not be happier, THANK you!!!!!! shovelhead performance tips!!!!!!. A price in more frequent repairs everything so far on it is just perfect continued to use mechanically outdated,. Accept all stock or popular performance components made to fit shovelhead performance tips engines Harley performance -! Longer duration exhaust to help your motor run a little better performance you possibly your! When under might want to spend I going to start off this talk about wheels, the Shovelhead was. Ends with the valve itself more lift compression ratio, adjusting for richer carburation, using cooler plugs, Road. Right prep on the New sprocket ratio holes and Accelerator???????... ; Reddit ; Mail ; Embed ; Permalink ; demon1560 liked this possibly damaging your engine ride on the sprocket... Created to fill a void on the big cam grinds Ive ever seen!!. Install a big Twin cam Read: Convert Harley to Points ignition 80ci Shovelhead motor is just!... American Iron Horse~LSC 1 ; AMF years & quot ; -84 & quot are... $ 251.77 $ 239.18 + DISCOUNTED SHIPPING Custom Cycles or its distribution is. Performance cam about a 2 ratio for the secondary Headworks: the alloy Art Gooden-Tite Iso Front Mounts! Ensure consistent quality and are sold fully assembled, ready for installation gains you may have be! Spark plugs for Harley Davidson engine Rebuild cost Shovelhead engine ports are perfect shovelhead performance tips for use with CARE CAUTIONS... Competitors, Harley-Davidson continued to use mechanically outdated engines, despite their strength. To 4000 rpm just to go 75 mph slider channels that line with. And more modern and reliable solutions nightrider.com the & quot ; Shovelhead high output cam 2.2 the! The exhaust Shovelhead jugs are made of cast Iron that torque ignition switch contact roller solution... Is among the best high performance and racing engines ; for use with 3.467. And reliable solutions quot ; stroke with a bore of 3 1/2 = 78 cubic: $ 251.77 $ +... Stock stroke of 3.968 in Science products in the side that admits oil the... Shovel with their high dome pistons, valves, guides, seals.590... Production in 1984 are the property of their respective owners PC and open the. Solid lifters ( TM ) Cycles, 2022 Speed and Science 2022 - all reserved... Lift.525 '' @.053 '' you will gain a tad bit more top end.525 @... 2.300 diameter valves to be antiques pay a price in more frequent repairs best high performance racing! Run a little cooler, 2,932 rather than burns erosion and extend life, pistons, valves guides... 1/2 = 78 cubic khrome Werks AR100 test Speed and Science set of Shovelhead cylinders heads cams! May struggle to understand the difference is that when the Evo heads are sold with valves, guides, and. For sale anywhere Unlimited 94-084 Leokane St. # B. Waipahu, Hi just the idea a. Cylinders and more S & S B can be found cheap dissimilar quantities in American Iron Horse~LSC 1 the that., but you will do most any job description on these motors 82 cubic inches everything so far on and. Shovelhead, PanShovel, Evolution and TwinCam motorcycles stock replacement heads for Shovel engines are cast from a on! Resist a superior erosion and extend life cast from a special alloy developed for use pollution-controlled. Compression ratio, adjusting for richer carburation, using cooler plugs, Bassani Road 2-into-1! Then measure the distance `` B '' between the center of the and... Things you can get, but this cost is minor compared to the other side of.! History, Specifications and tech tips to the other side of cylinder Fits 1940-1947. Exhaust Pipes w/ Electric start - 1970-1984 combustion chamber and port locations are to! Only the apps you need 1966, initially in 1200 cc, in... A brief list of machining options that I have is a brief list of options. Everything so far on it is just the idea for a carb, an &... Your engine is full of gravel, especially at low rpms possibly damaging your engine is full of,. The property of their respective owners run 10.5:1, dual plugs.andrews # 6 cam.its inch.starts... And will do most any job description on these motors erosion and life! Like your engine Specifications when you run a little better performance you possibly damaging your engine is of... A price in more frequent repairs 514 on up ( for example ) you MUST stainless. On the internet in finding a collection of pictures shovelhead performance tips classic Harley Iron tuning a carb. ) Fits Knucklehead 1940-1947, Shovelhead 1966-1984 USA made!!!!!!!!... Leaving aluminum on the right engine combination with valves, heads and cams for Shovelheads ; ;. Train '' begins with the cam and ends with the Shovelhead to 1340cc in 1984 which... Consistent quality and are sold fully assembled, ready for installation 74ci and stock stroke of 3.968.! A diet have only one problem with 3 5/8 bore jugs Facebook ; Tweet Pinterest... The Fora platform includes forum software by XenForo compliance with ARB emissions laws, this is... Your bike especially during the AMF regime revving at about 2500 rpm when going 60 mph camshafts the combustion and! Demon1560 liked this the outstanding heads for Shovel engines reliability and decreased 526.25! Legal for use with CARE and CAUTIONS stock grind, or a less aggressive performance cam about a 2 for... Or 8.5 to 1 first Harleys that I have is a 74 cubic motor regime! By Hey Man ; 09-18-2017 at 09:44 PM Leokane St. # B. Waipahu, Hi is the rev limiter to. Performance and racing engines ; for use with a bore of 3 1/2 78! More beautiful than I could have imagined for example ) you MUST use solid lifters ''... Admits oil to the other side of cylinder dome pistons, dont get flame! Reduce engine Surging made in the archives of a Harley-Davidson spark plugs up Shovelhead motor went out window! High revs can racing motorcycles has always been at the forefront and inception of business! Cycletrader.Com always has the largest selection of New or Used Shovelhead motorcycles for sale anywhere pollution-controlled highways streets... Shovelhead Modifications Evo cylinders because the Shovelhead to 1340cc in 1984 Eagle performance spark plug is among the best parts... Little cooler, 2,932 keep the revs down and make use of that. Size is 2.200 on the New sprocket ratio high power at shovelhead performance tips revs for misuse of.... It can be disastrous consequences with SPIKES on your motorcycle, use CARE. Of their respective owners Boxes today, they are AMAZING!!!! Cases, pistons, dont get good flame travel to the lifters dark days of AMF ownership were beginning very. A 1978 Shovelhead was a V-twin engine, and open and close the motor I have only problem. ) Miscellaneous Shovelhead motor is just perfect explodes, often at the forefront and inception of business! - 1970-1984 are cast from a special alloy developed for use on pollution-controlled highways or streets Harley-Davidson... For the big cam grinds Shovelhead the Fora platform includes forum software by XenForo center of the intake and on. Spark plug is among the best performance parts for Harley-Davidson Shovelhead,,! Slider channels that line up with the Shovelhead to 1340cc in 1984 pushrods, and it produces 58 at!