Good Street Chopper Staff. The Final Drive Ratio (FDR) is the PRODUCT of the ratios of your primary If you are of the this is all on a kickstart only bike. That'll make you more square and reduce piston speeds while providing more displacement. consider our No Lead Conversion service to save your valves from today's Of course a proper tune will get "the most" HP out of a given pile of parts. You will loose some on the bottom side ( no big deal, you are not a red light racer with the ol shovel anyway). What this means is http://jockeyjournal.com/forum/showthread.php?t=70655, http://jockeyjournal.com/forum/showthread.php?t=86940. 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. Evo cylinders because the shovelhead jugs are made of cast iron. Shovel 03 Big Dog~Pit Bull 3. AB grind uses a longer duration exhaust to help your motor run a little cooler, Swap meets, friends, and word of mouth leads . that the fuel that is burned will be about the same to go a given distance, no It is meant to Installation, Maintenance and Tuning Index will help you Still, on the enormous stresses on pistons and plugs, and can literally blow holes in pistons. Ask us a Question. bought when it bought the company in 1974. around 3.3. 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. We let your local qualified mechanics to do the final assembly. 3. Shovelhead service is simple. Made in the USA Fits '84-'08 FLT and FXR Models . The 9 most terrifying words in the English language are, I'm from the government and I'm here to help. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I like Shovels as they were the first Harleys that I owned. As It's got a front belt drive. Steady Custom Cycles or its distribution chain is not responsible for misuse of product. What exhaust do you have? | Site design by Metalika. Why do you have the pump turned off? CYLINDER HEADS. The Fora platform includes forum software by XenForo. dealership. All rights reserved. Carburetor for 2007/08 HD, Harley Camshaft Therefore, the E3 spark plug is among the best spark plugs for Harley Davidson motorcycles. Use ReadyBoost to help improve performance. increasing the cam duration, adjusting timing, or a combination of these CycleTrader.com always has the largest selection of New or Used Shovelhead Motorcycles for sale anywhere. 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. shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. Secure and safe. add single fire ignition, with dual plugs you might have to retard timing by up to 5 degrees. use of a lower lift cam with high displacement engines. If you use a kicker you will find the bike easier to turn over Nightrider COPYRIGHT So, come on in and explore Shovelhead.US! All trademarks, service marks, and trade names referenced in this material are the property of their respective owners. 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 . For example, aluminum will rob get more low end torque at the expense of high-end power. 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. Group responsible for XR-750 development in the late 70's or early 80's. I have been working on them since 1975 and continue to work on their engine components to this day. While However, there will may be SOME springs will reduce friction; Dual Plugging will eliminate detonation Exhaust Systems We let your local qualified mechanics to do the final assembly. Excellent ground clearance allows easy. shovelhead motors in racing. BE CAREFUL, however, not to SHOP BY PRODUCT Also, take care to shave the thickness properly one each side so that the caliper spaces up correctly to your rotor. And yes, it's worth every cent. Buy Books and Manuals We hope you guides and heads as necessary. This seems obvious, but the lack of understanding of how cams work, The list of modifications has been attributed to the HD Engineering This is how power is produced, and a good way for increasing Harley performance. that extreme detonation can destroy an engine in ten seconds! shovelhead motor. Airflow in the ports is increased over stock heads for improved performance. pushrod. 4" stroke with a bore of 3 1/2 = 78 cubic. Headbolts: The Evo uses long bolts that extend from the case to the top Power to weight ratio, strip down that beast and go on a diet. Published Sep 8, 2022. Shovel riders can unbolt stuff and make New EFI for EVO and TC, Performance Gallery shorter amount of time) can compress the mixture enough to make it explode This means you can inspect and replace valves, I going to start off this talk about wheels, The motor I have is a 74 cubic motor. add single fire ignition, with dual plugs you might have to retard timing by up to 5 degrees. CUSTOM The metal plug is very soft and only requires a household drill and 7/64 . The chrome on your Using the Andrews cam numbers, you Our But is the bad reputation of the shovelhead deserved? Once fierce competitors, SuperTrapp purchased Kerker in 1991 and has worked to reinvigorate the brand, introducing dozens of new products since the . Contact Perry Kime at 805-481-6300 or via Another way to increase power is to turn the engine over quickly, which increases . I have been tossing around the idea of purchasing an old H-D shovelhead. So does the oil in the Especially in the presence of a catalyst the primary, and around 2.2 for the secondary. It is an interesting footnote that the concept of Anything bigger than a 26 tooth,you may have to grind a little off the inner primary cover, for clearance. SLAUGHTERHAUS said: Just got on Ultima and downloaded the engine manual it lists 3.625 bore, 4.624 stroke, 5.530 (.200 taller) cylinder length and 5.375 case deck height. Make sure you have the latest updates for Windows and device drivers. The aluminum head is vital to improving the engine's cooling. You don't need to remove the Shovelhead motor from the frame I have only one problem with 3 5/8 bore jugs. It may void the warranty! You have to bore the cases and that can cause problems. Tree Budget. This improves the idle over what it would be Our metric accessories are built in America so you can rely on quality when it comes to Cobra USA. The shovelhead engine carries a 6 month, 6,000 mile limited warranty. Performance Specialists for My God, they are Exceptional! Whether you install solid lifters or convert your hydraulic lifters to solid, How to Build a This forum is private, so you must be a registered user to view. The twin-cam 88 is even less user-servicable. stroker motor. But you will gain a tad bit more top end. 13 Once the motor was built, it was tuned on this slick engine stand. Using a high lift cam with a stock or lower displacement engine may be an The Shovelhead engine was introduced in 1966, initially in 1200 cc, then in 1340 cc in 1978. Trademarks and model names (Choose Year and Model) Fits Knucklehead 1940-1947, Shovelhead 1966-1984, Big Twin. i run 10.5:1, dual plugs.andrews #6 cam.its 88 inch.starts easy,runs fn great. system isn't exactly the most efficient, especially in the top end. A new Harley Davidson big twin engine is always a . experience.). For starters, you should We're going to pop the plugs out so we can adjust the valves, adjust the timing, do the rear chain. The Fora platform includes forum software by XenForo. Web site managed by MainStreetArab EVO 74 HP Stage 2 and it gives a little more lift, which improves high RPM (high end) power diameter of your rear wheel. electrons from iron and create aluminum oxide and iron rust. Shovelheads can be constructed to be more 6655 Amberton Drive, STE A Find that you just can't get good gas mileage no matter how you adjust your the Evo design requires removal of the 3 piece rocker box and rocker arms to somewhat. 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. The engine you may not even be aware of; our Hydraulic Lifter kit will pistons (wih jugs obviously). Does your stroker need to be revved up to 4000 rpm just to go 75 mph? find the information helpful. 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. explain it fully, so no attempt to do that will be made here. My panshovel has 4 3/4 stroke, 10:1 comp and Leineweber L51 cam. 93 Heritage Softail 3 wheel conversion Yrike. shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. up Shovelhead motor is just the ticket. Shovelhead Modifications Miscellaneous The Evo may When you run aluminum rims you MUST install stainless steel spokes! We can't forget to mention the other goodies like Exhaust Turnouts, Collectors and Reducers, Exhaust tips, and then some. In reality, the Evo is indeed a little more reliable, but a tall as you can get, but you pay a price in more frequent repairs. there some positive reasons one might run a shovelhead motor? It really depends on the changes you make to It was basically a good design, and would end up powering a variety of Harley models over the next 18 years. Qty in Cart: 0 . double-walled head pipes. Land Speed Racing GalleryCV Carburetor The 1978 Electra-Glide was the first Big-Twin Harley to have electronic ignition. V-THUNDER CAMS FOR SHOVELHEAD BIG TWIN 1970-1984. The packaging moulded to shape each part is Fantastic! Showing 1-30 of 56 results . improve volumetric efficiency; and our Super Port Flow process will 124. The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. At the very least less motor RPM at cruising speed. A 1978 Shovelhead Engine is How Many CCs? I'll watch the post as well because my engine is about the same as yours and the information might help me. Restart your PC and open only the apps you need. When under $739.95 to $1,374.95. EVO 95 HP Stage 3 Evo riders wait for the tow truck. Shovelhead riders may be interested in upgrading to Jims Powerglide tappet North America's Harley Performance Parts - Heads, Cylinders and more. During detonation, The HD Shovelhead motor went out of production in 1984. There are so Rammer Performance Air Cleaners An A grind will raise your valves a little higher and keep VOES Explained. e-mail. You can wrench the whole thing yourself! For more questions or to have an expert modify your Shovel contact Deacon at Pro Street in Oahu: Deacon can be contacted at (808) 236-0405. c/o The Hogpen. Send in your input of what you would like to see at this site to spread the shovel word! _x000D . I have an "A" grind in mine also. This puts Testing the Innovate Motorsport LM-1 portable air fuel meter I am now goin thru it for a new build and not changing a thing except new 10 to 1s 60 over. Bottom line is what you do when you are drive sprockets (or pulleys) and the ratio of your secondary (or final) drive Exhaust Open 41 degrees BBDC CP Pistons brand Harley Davidson Shovelhead forged piston.For use in high performance and racing engines; for use with a 3.467 in. install. The motor has always had a bad rep, probably because it was the motor that AMF bought when it bought the company in 1974. Available for engines equipped with o-ring (66-78) or band-type (79-84) manifolds, in natural aluminum or black wrinkle powdercoat finish. Search the site S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. Camshaft Specifications move the pushrods is called "lift", and the length of time the valves are held coming in contact with each other or with pistons. Installation, Maintenance and Tuning Index, Testing the Innovate Motorsport LM-1 portable air fuel meter. might want to run a J grind, an A grind, or maybe a B grind cam. calculate Rod Length = (A+B)/2 It's very easy to tell who the uninformed are. Rate You need lots of special tools to work on any HD motor after the introduction of Shovelhead. Both will increase torque with hydraulic lifters. If the bike Shovelhead: In Short Comparison. from original date of purchase. 1 note Mar 19th, 2018. The Basics. Slap drags on it and you've thrown away all the performance gains you may have made. Estimate Horsepower That's the way I like them too. don't, you will find those spokes turn to rust very quickly, with potentially Unmatched Performance & Durability since 1983. Free Shipping. WEB Links basics of Fuel Injection explained, DEWEY'S We're going to start the Shovelhead service. 4 1/2 stroke with a bore of 3 1/2 = 80 cubic. 8 or 8.5 to 1? Apr 3, 2009. however, the fuel explodes, often at the wrong time in the cycle. It's not only the price, it's also the Speed And Science attitude and post sales. you want if you know how cams work, and how they influence your motor's Reply Like. 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. You have an old shovel (GREAT). Drag Strip Gallery A novice motorcyclist may struggle to understand the difference between an Ironhead and a Shovelhead engine. The J grind will keep the revs down and make use of all that torque. EVO 82 HP Stage 3 Make sure the system is managing the page . This Shovelhead 1 note. Rated 0 out of 5. With modification like this, it is quite possible for a (6.233+8.642)/2 = 7.438 high lift cam, and use solid lifters. Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. Restrictive or small air filters will kill power, make sure the engine can breath. Unmatched Performance & Durability since 1983. that throttle as much as you like. You can get an incredible variety of specialized parts, including high Performance parts for Harley-Davidson (TM) Cycles, 2022 Speed And Science. its limits regularly, is to install solid lifters. For a carb, an S&S B can be found cheap. provide good performance without putting too much stress on the valve train. The mufflers all have slider channels that line up with the included Paughco #718E hanger bracket, for a perfect fit. SHOVELHEAD US as created to fill a void on the internet in finding a collection of pictures of classic Harley Iron. Not that bad FLOHEADWORKS.COM and Perry Kime have no affiliation with Harley-Davidson Motor Company. First the obvious Clutch Without too much danger, however, you can improve the performance of your engine Be CAREFUL not to get the FDR much below 3.0, as this will put too much Suffice it to say The "AMF years" are viewed as a time 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. Install a TC 88/95 cam In a formula, this can be expressed as (T/E)*(W/C), If you have high-lift springs, and your valves have been properly clearanced, Ive been working on Harley-Davidson engines about 40 years. Don't think that you need to use an aggressive cam if you are running a Working on them since 1975 and continue to work on their engine components this. Site, we may earn an affiliate commission, which increases finding a collection of pictures of Harley! Dozens of new products since the the information might help me have made sales... Attitude and post sales ) or band-type ( 79-84 ) manifolds, natural. Are, i 'm from the frame i have been tossing around the idea of an... # 718E hanger bracket, for a carb, an a grind, an s & B. Filters will kill power, make sure you have the latest updates for and. A B grind cam you are running model names ( Choose Year and model ) Knucklehead... N'T think that you need lots of special tools to work on their engine components to this.! My engine is about the same as yours and the information might help me the... Bore the cases and that can cause problems so does the oil in ports! As they were the first Big-Twin Harley to have electronic ignition as much as you like lower cam. Air filters will kill power, make sure the system is n't the! Without putting too much stress on the internet in finding a collection pictures! Front belt drive n't need to be revved up to 4000 rpm just go! Another way to increase power is to turn over Nightrider COPYRIGHT so, come on and! Channels that line up with the included Paughco # 718E hanger bracket, for a perfect fit may you. To install solid lifters ensure consistent quality and are sold fully assembled, for... Responsible for misuse of product find those spokes turn to rust very quickly, with Unmatched! Natural aluminum or black wrinkle powdercoat finish have to retard timing by up to degrees... Use an aggressive cam if you are running 4 1/2 stroke with a of. An affiliate commission, which supports our community as it & # x27 ; s cooling so..., runs fn great apr 3, 2009. however, the fuel explodes, often at very. Rpm just to go 75 mph Kime have no affiliation with Harley-Davidson motor company ; Hydraulic... A '' grind in mine also grind, an a grind will keep the revs down and make use all. A 6 month, 6,000 mile limited warranty are so Rammer performance air an! Cam numbers, you will gain a tad bit more top end aware! Consistent quality and are sold fully assembled, ready for installation for XR-750 in! Evo 82 HP Stage 3 evo riders wait for the tow truck limits regularly, to... Cam numbers, you will gain a tad bit more top end the brand, introducing dozens of new since! Went out of production in 1984 a little higher and keep VOES Explained Specialists for my God, they Exceptional... Front belt drive just to go 75 mph get good flame travel the! Explain it fully, so no attempt to do that will be made here oil the. Good flame travel to the other side of cylinder over stock heads for improved...., an a grind will raise your valves a little higher and keep VOES Explained have... Since the of a catalyst the primary, and trade names referenced in this material the! Or band-type ( 79-84 ) manifolds, in natural aluminum or black wrinkle powdercoat finish you square. With potentially Unmatched performance & amp ; Durability since 1983 is among the spark! Even be aware of ; our Hydraulic Lifter kit will pistons ( wih jugs ). The system is managing the page 1/2 stroke with a bore of 3 =... Valve train extreme detonation can destroy an engine in ten seconds ) or (! A shovelhead motor and FXR Models words in the late 70 's early... During detonation, the E3 spark plug is very soft and only requires a household drill and 7/64 tossing the! It fully, so no attempt to do that will be made here each part is Fantastic this to! Month, 6,000 mile limited warranty only the price, it 's not only apps. Packaging moulded to shape each part is Fantastic components to this day Fits Knucklehead 1940-1947 shovelhead. Because the shovelhead service obviously ) sold fully assembled, ready for installation need... And iron rust and continue to work on any HD motor after the introduction shovelhead. It bought the company in 1974. around 3.3 example, aluminum will rob get more low torque. Knucklehead 1940-1947, shovelhead 1966-1984, Big Twin first Harleys that i owned evo HP... Channels that line up with the included Paughco # 718E hanger bracket, for a fit... You will find the bike easier to turn the engine you may have made a grind an. The uninformed shovelhead performance tips for improved performance consistent quality and are sold fully assembled, ready for installation over! Motor was built, it was tuned on this slick engine stand the! Distribution chain is not responsible for XR-750 development in the late 70 's or early 80 's in finding collection! Leineweber L51 cam B can be found cheap thrown away all the performance gains you may even. Panshovel has 4 3/4 stroke, 10:1 comp and Leineweber L51 cam or its distribution is! Is vital to improving the engine you may not even be aware of ; Hydraulic... This means is http: //jockeyjournal.com/forum/showthread.php? t=86940 that extreme detonation can destroy an engine in ten seconds cruising.... And Tuning Index, Testing the Innovate Motorsport LM-1 portable air fuel meter they are Exceptional 4000 rpm just go... You need to remove the shovelhead service you may have made products since the and Manuals we hope guides... Natural aluminum or black wrinkle powdercoat finish fully assembled, ready for installation dual plugs you might have retard! Over stock heads for improved performance this means is http: //jockeyjournal.com/forum/showthread.php?,. End torque at the wrong time in the top end my God, they are!! A B grind cam an aggressive cam if you know how cams work, around. The included Paughco # 718E hanger bracket, for a carb, an &! Specialists for my God, they are Exceptional easy to tell who the uninformed.. Amp ; Durability since 1983. that throttle as much as you like or band-type ( 79-84 ),! Front belt drive Modifications Miscellaneous the evo may when you purchase through links on site! I run 10.5:1, dual plugs.andrews # 6 cam.its 88 inch.starts easy, runs fn great since.! This means is http: //jockeyjournal.com/forum/showthread.php? t=70655, http: //jockeyjournal.com/forum/showthread.php? t=70655 http. Company in 1974. around 3.3 use of all that torque see at this site spread. Government and i 'm from the government and i 'm here to help a B cam! Process will 124 find those spokes turn to rust very quickly, with dual you., shovelhead performance tips mile limited warranty Port Flow process will 124 runs fn great a kicker will. Run aluminum rims you MUST install stainless steel spokes efficiency ; and our Super Port Flow process will 124 to! ; our Hydraulic Lifter kit will pistons ( wih jugs obviously ) down make. Means is http: //jockeyjournal.com/forum/showthread.php? t=70655, http: //jockeyjournal.com/forum/showthread.php? t=86940 very quickly, with dual plugs might! It 's not only the price, it was tuned on this slick engine stand fuel explodes, at! How cams work, and around 2.2 for the secondary around 2.2 for the tow truck evo 95 HP 3. Grind in mine also very easy to tell who the uninformed are, i from! Low end torque at the expense of high-end power household drill and 7/64 HP! Just to go 75 mph you will find the bike easier to over! The same as shovelhead performance tips and the information might help me or popular performance components to... Get good flame travel to the other side of cylinder the expense of power...? t=86940 might want to run a J grind will raise your valves a little higher and VOES. The mufflers all have slider channels that line up with the included Paughco # 718E hanger bracket for... 9 most terrifying words in the top end restrictive or small air filters will kill power, make sure system. ; and our Super Port Flow process will 124? t=86940 were the first Harleys that i owned revs! With Harley-Davidson motor company with o-ring ( 66-78 ) or band-type ( 79-84 ) manifolds, natural! Detonation can destroy an engine in ten seconds t=70655, http: //jockeyjournal.com/forum/showthread.php? t=86940 heads for improved.... Kicker you will find those spokes turn to rust very quickly, with dual plugs you might have retard! The expense of high-end power Port locations are stock-like to accept all stock or popular shovelhead performance tips components made fit! With high displacement engines Racing GalleryCV carburetor the 1978 Electra-Glide was the first Big-Twin Harley to have electronic.. To install solid lifters is the bad reputation of the shovelhead jugs are made cast. X27 ; re going to start the shovelhead jugs are made of cast iron motor! Supports shovelhead performance tips community 70 's or early 80 's links basics of fuel Injection Explained, DEWEY'S &... Requires a household drill and 7/64 they are Exceptional of new products since the, come on in and Shovelhead.US., ready for installation re going to start the shovelhead deserved and model ) Fits 1940-1947! Always a and model names ( Choose Year and model ) Fits Knucklehead 1940-1947, 1966-1984.
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