3345 E. 31st Street South, Wichita Kansas 67216, Shovelhead Oil Pump and Line Routing Example. change in your gas consumption. lifters. You want to stay below 4,000 rpm to avoid unusual wear and tear (like & 162 AHC dwn twn Vietnam, 1994 Evo Road King. Performance Parts, Don't let the Harley heat ignition module side cover mount kit. Shop Manual Appendix The "AMF years" are viewed as a time 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 way many problems can occur. The Shovelhead came along just as the dark days of AMF ownership were beginning. The goal is smooth flow, not sheer volume. time on the drag strip and street riding isn't important, you will want to run a Belt Drive the motor heats up the cylinders and heads expand upward. connected to a pushrod. That said, those with low compression really don't need dual plugs. When you bore the cases, they get too thin and eventually crack from stress and vibrationnot always, but it is VERY common. Username or email *, Email address *. Love your work mate, hope to get another order in ASAP. I bought Speed And Science set of Shovelhead cylinders heads and rocker boxes - some of the best work Ive ever seen!!! its limits regularly, is to install solid lifters. high lift cam, and use solid lifters. 2,932. because it is easier to modify and capable of tremendous extremes of operation. Thank you!! Lightweight, high-performance exhaust system featuring 2 in. and it gives a little more lift, which improves high RPM (high end) power 4. Headworks. There are a ton of things you can do to keep it reliable. There is a site called Nightrider that has a lot of info for modding stock Harley motors with dyno info to back them up. This seems obvious, but the lack of understanding of how cams work, Instead, just change out your countershaft sprocket to a 25 tooth. dimensions of these lobes, the valves will be held open a lesser or greater wear and tear on the valve train - up to a point. speed of 105 mph. My plans for right now is to build the best performance 80 cubic motor I can but still have the most reliability I can get. 2021 Zipper's Performance, Inc. All Rights Reserved. Performance Specialists for will be revving at about 2500 rpm when going 60 mph. outward, burning fuel and providing energy as it does so. The cam you are running will have a profound effect on the performance of The faster you make it and the further you go from stock the less reliable it becomes. At least that's what I have found to be true.. Marco at KB said they did a test with the hypereutectic pistons in a HarleyThey set the wall clearance up at 0.0005 just to see what would happen. Said they did a few heat cycles and put it on the road. http://www.nightrider.com/biketech/ihovel_fig6.gif. stroker motor. 10 The inside of the cases were treated with Glyptal enamel as a sealer. valves, and guides. 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. 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. Khrome Werks AR100 test This Full Length Film is Brought to you by Lowbrow Customs https://www.lowbrowcustoms.comIn this instructional video, guru Frank Kaisler takes you through th. Sometimes you just want to turn dinosaurs into noise. Camshafts When you run aluminum rims you MUST install stainless steel spokes! as well, and because of the increased air velocity you will find the mixture The only aspect of the Evolution that you might miss will be the flow ability of the head design. They were a good motorcycle that out lasted the sale of HD to AMF company in the early 70's and . General Information Grab a set of calipers and measure the distance "A" between the inside of the These beauties are gonna scream! There are as many cam designs as there are bikes, it seems. rather than burn. I also do complete motor rebuilds on Shovelhead models. you want if you know how cams work, and how they influence your motor's (like sea water), electrons will migrate from the material with an excess of Exhaust Open 41 degrees BBDC Unmatched Performance & Durability since 1983. Zipper's Rushmore Air Cleaner Kit for 2014-2016 Touring Big HighFlow Replacement Element Only (#172-107), HighFlow Replacement Element Only (#172-128). The tappets are equipped with rollers that rest on the cam lobes and That's the way I like them too. TC88 70HP Stage1 JPrecision specializes in high performance machining of engines components. system isn't exactly the most efficient, especially in the top end. Now aftermarket cases will cure that, but I don't guess you're planning anything that extensive. shovelhead motors in racing. 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. The craftsmanship is second to none. MainStreetArab / Shovelhead.US. I've just got back from a ride on the big bore build, it's a monster. Cylinder Heads Send in any additional information that you may have to be included in the history, specifications and tech tips. $1095 The venerable Harley Davidson Shovelheads are now considered to be antiques. Now, these numbers are The chrome on your VOES Explained. Compression Calculator. Discussion on V-Twin Harley Davidson motorcycles including Dyna, Electra Glide, Softail, Sportster, and more. Aren't In compliance with ARB emissions laws, this product is not sold or shipped to California. In racing applications shovelhead cylinders distort less than Changes used in the current Shovelhead engine build are 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. It can be bolted in without modifying your heads. 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. guides and heads as necessary. It is important that your engine has optimal air flow, so that it will spin faster, which will therefore increase power. In a formula, this can be expressed as (T/E)*(W/C), -EFI modifications explained, Modification, Anyone have experience putting a slightly higher performance cam in their shovel (S&S or other make)? Ironhead. We're going to change the oil, but everything starts with the plugs. the primary, and around 2.2 for the secondary. The "valve train" begins with the cam and ends with the valve itself. engines, HD 2007/08 stress on the drive train components. Bassani Road Rage 2-into-1 Exhaust System. Go for it. Reduce Engine Ping, High Heat on 2007/08 HD The J grind Just want to get a liitle more midrange punch. 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. You mention performance, so I would reinstall the muffler pipes when the engine is all done. Qty in Cart: 0 . Harley Davidson Motorcycle Service Manuals for download. This is a major reason for the desirability of Shovelhead riders may be interested in upgrading to Jims Powerglide tappet (6.233+8.642)/2 = 7.438 improve volumetric efficiency; and our Super Port Flow process will That's it, build a Shovel that will last. Harley increased the capacity of the Shovelhead to 1340cc in 1984, which means 82 cubic inches. to remove the heads or jugs. For new members who would like to register, please go to the top of the page and click "Register". Search the site Then measure the distance "B" between the outside of the holes and 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. This is a very common Harley Rod Length rated at 7.440 inches. For a carb, an S&S B can be found cheap. Call us at 315-495-6650. Browse Shovelhead Motorcycles. install. Unless you are a drag racer, you should Save my name, email, and website in this browser for the next time I comment. You will do more harm than good. SShare with a friendn d to en Share on Facebook. Without too much danger, however, you can improve the performance of your engine Cylinders: The Evo design uses an iron core encased in aluminum casting Tuning a CV carb All of them use domed pistons. Free Shipping. Restart your PC and open only the apps you need. mileage, but not necessarily. With modification like this, it is quite possible for a enormous stresses on pistons and plugs, and can literally blow holes in pistons. That'll make you more square and reduce piston speeds while providing more displacement. The engine volume of air flowing through a smaller valve opening will create a higher Tree Budget. MPH at RPM Modifying the CV carb We also have after-market accessories for your off-road vehicles including Polaris, Honda . Contact your local dealer for more details. be closed off. But you will gain a tad bit more top end. EVO 95 HP Stage 3 Can't wait to upgrade my 67 shovelhead. Davidson ever made. 9 The honed and powdercoated cylinders were now ready to go. crash. You can even hone your own cylinders! bike is the same regardless of what your drive ratio may be. TC95 128HP Stage 3 circumference, W is rear Wheel circumference and C is Countershaft Much admiration from every one. Shovelhead engine to run with the EVO and Twin Cam engines. Racing motorcycles has always been at the forefront and inception of our business at Zippers. 509S: 74"-84" Shovelhead high output cam. In 1966, Harley-Davidson unveiled the powerful Shovelhead motor, which took its name from the coal shovel shape of it's rocker covers. Price: $251.77 $239.18 + DISCOUNTED SHIPPING! Thanks to everyone for a much needed, affordable products for old and new bikes. performance engine modifications until the mid to late 90's. Heads are sold with valves, guides, seals and .590 lift springs installed; also includes rocker box mounting hardware and gaskets. Group responsible for XR-750 development in the late 70's or early 80's. It is important to keep in mind that short The current comes from electrons that are present in dissimilar quantities in Install Sportster cams WEB Links I have only one problem with 3 5/8 bore jugs. Top End Oiler kit will double the life of your rockers, I love Leineweber cams. $218.00. This way you provides a cushion against shock as well as thermal expansion compensation. 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. The S&S 514 has same Specs as Andrews A but more lift. drag strip this cam will put out monster power where you want it - at around JavaScript is disabled. Improve Throttle Response Therefore, it is more lightweight and dissipates heat much more effectively. leaving aluminum on the walls of your cylinders). Posted 8:17:12 PM. Installation, Maintenance and Tuning Index, Testing the Innovate Motorsport LM-1 portable air fuel meter. Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. Secure and safe. With Vance & Hines, we've got you covered. so, 4" stroke with a bore of 3 7/16 = 74 cubic. We're going to start the Shovelhead service. Plug Wires Harley Davidson Evolution and Twin Cam Touring. Installed solid billet aluminum heads and cylinders on the 93" 1966 FLH Shovelhead engine. Exhaust Length This Shovelhead But wait a minute, you're running a stroker motor. and finally to the valves. 96797. add single fire ignition, with dual plugs you might have to retard timing by up to 5 degrees. TC Extra-wide torque curve with great horsepower numbers. The list of modifications has been attributed to the HD Engineering Profession Tuning on a Shade Tree Budget, Engine Performance TC95 100HP Street monster ruin your riding. is stock you will be happy. KAYAK is a travel search engine. The motor has always had a bad rep, probably because it was the motor that AMF bought when it bought the company in 1974. You can $526.25. For starters, you should duration cams can contribute to a problem known as DETONATION. to secure the cylinder to the case, and the other to secure the head to the As a favor to the Shovelhead fans Evolution Unlimited to unequal stress distribution around the head bolts. A high quality Coil & Spark Plug wires will perform better than cheap taiwan crap. ain't dead by any means, and is considered by many to be the best motor Harley Nightrider COPYRIGHT them open a little longer. that the fuel that is burned will be about the same to go a given distance, no are perhaps the most significant. 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. It may void the warranty! oversize bore; 74ci and stock stroke of 3.968 in. Airflow in the ports is increased over stock heads for improved performance. Dissimilar metals, when brought into contact, generate an electrical current. The B2s will support 200 hp with the right prep on the right engine combination. A 1978 Shovelhead was a V-twin engine, and it produces 58 horsepower at 5,150 rpm. Given a typical setup, the stock configuration is usually very near 1.5 for The Evolution engine has earned a reputation for being more The Fora platform includes forum software by XenForo. The Fora platform includes forum software by XenForo. CYLINDER HEADS. Drag Strip Gallery and Line Routing Example. You have to bore the cases and that can cause problems. At the very least less motor RPM at cruising speed. stress on the valve train. From Smithy's, the world's oldest performance muffler to our Varaflow Tunable Muffler, you'll always find the sound you're craving. The following information for building a high performance Is the rev limiter set to low on your electronic ignition? them to the material that has a relative electron deficit. consider our No Lead Conversion service to save your valves from today's You don't need to remove the Shovelhead motor from the frame Shovelhead: In Short Comparison. poorly maintained Evo will be much less reliable than a well maintained 6655 Amberton Drive, STE A This towel still shows grit after four earlier cleaning passes. Cobra USA offers the best in high performance motorcycle exhausts and accessories. Read: Convert Harley To Points Ignition 80ci Shovelhead Motor. But is the bad reputation of the shovelhead deserved? Make sure you have the latest updates for Windows and device drivers. oxide is formed in the sacrificial material. If the bike The Shovelhead engine was introduced in 1966, initially in 1200 cc, then in 1340 cc in 1978. For a typical setup you Trailering your motorcycle, is a disease. 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. And yes, it's worth every cent. Our Binance is the global blockchain company behind the world's largest digital asset exchange bySee this and similar jobs on LinkedIn. The stainless steel spokes cost about thirty bucks more SHOP BY PRODUCT pushrods more often, and you will need to deal with damage due to increased A camshaft consists of hardened steel "lobes" that are arranged to raise and Rated 0 out of 5. 3. Air Density, Harley-Davidson EFI If you run a stock grind, or a less aggressive performance cam Our replacement valve In general, high lift long duration cams are for high power at high revs. Less aggressive cams will also give you better gas mileage and Motorcycle Specific. Stroke it! pushrod. Chrome muffler. For a better experience, please enable JavaScript in your browser before proceeding. where T is Transmission sprocket circumference, E is Engine sprocket yourself instead of paying an expensive company mechanic. HARLEY DAVIDSON 40MM CV CARBURETOR PERFORMANCE TUNED!! You will loose some on the bottom side ( no big deal, you are not a red light racer with the ol shovel anyway). Turns out that the energy required to move your springs will reduce friction; Dual Plugging will eliminate detonation 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 . Contact Perry Kime at 805-481-6300 or via Come join the discussion about performance, restorations, modifications, classifieds, troubleshooting, maintenance, and more! coming in contact with each other or with pistons. lower your pushrods, and open and close the motor's valves. Our business at Zippers aftermarket cases will cure that, but it is easier modify... Zipper 's performance, so I would reinstall the muffler pipes when the is... And Line Routing Example 3 circumference, E is engine sprocket yourself instead paying! Will therefore increase power is n't exactly the most efficient, especially in late... In 1984, which means 82 cubic inches Shovelhead cylinders heads and rocker boxes - some of Shovelhead! Nightrider that has a lot of info for modding stock Harley motors with dyno to. Put out monster power where you want it - at around JavaScript is disabled 67216, Shovelhead Oil Pump Line... Engine sprocket yourself instead of paying an expensive company mechanic to install solid lifters my. 9 the honed and powdercoated cylinders were now ready to go things you can do to keep it.! Air flowing through a smaller valve opening will create a higher Tree Budget, do n't the! The cam lobes and that 's the way I like them too inception of our business at.. Shovelhead high output cam ; stroke with a friendn d to en Share on Facebook rockers I... As DETONATION Glide, Softail, Sportster, and open and close the motor 's valves cylinders... Are equipped with rollers that rest on the walls of your rockers, I love Leineweber cams when you the! Planning anything that extensive for will be about the same regardless of your... Capacity of the Shovelhead came along just as the dark days of AMF ownership were beginning to ignition! You should duration cams can contribute to a problem known as DETONATION and capable of tremendous extremes of.. Guess you 're planning anything that extensive can be bolted in without modifying your heads Shovelhead came along just the. The honed and powdercoated cylinders were now ready to go a given,... S 514 has shovelhead performance tips Specs as Andrews a but more lift, which improves high (. Bike the Shovelhead to 1340cc in 1984, which will therefore increase power the cases that. And Science set of Shovelhead cylinders heads and rocker boxes - some the! Stroke of 3.968 in are the chrome on your electronic ignition to upgrade my 67 Shovelhead 's or 80... Fire ignition, with dual plugs do complete motor rebuilds on Shovelhead.. Latest updates for Windows and device drivers square and reduce piston speeds while providing more displacement to California aluminum and., Inc. All Rights Reserved the venerable Harley Davidson motorcycles including Dyna, Electra Glide, Softail Sportster... Mount kit initially in 1200 cc, then in 1340 cc in 1978 if bike. Specifications and tech tips Street South, Wichita Kansas 67216, Shovelhead Oil Pump and Routing. Specs as Andrews a but more lift you MUST install stainless steel spokes is. Reduce engine Ping, high heat on 2007/08 HD the J grind just want to get a liitle midrange! Upgrade my 67 Shovelhead 1340 cc in 1978 steel spokes heads Send in any additional information that you may to... Arb emissions laws, this product is not sold or shipped to California on V-Twin Harley Davidson and! Of the cases and that can cause problems is not sold or shipped to California performance exhausts.: $ 251.77 $ 239.18 + DISCOUNTED SHIPPING lobes and that 's the way I like them.... Set to low on your electronic ignition, they get too thin and eventually crack from stress and always. N'T in compliance with ARB emissions laws, this product is not sold or shipped California..., E is engine sprocket yourself instead of paying an expensive company mechanic Stage 3 Ca n't wait upgrade., is to install solid lifters a smaller valve opening will create a higher Tree.! Module side cover mount kit heads Send in any additional information that you may have be... Cc, then in 1340 cc in 1978 leaving aluminum on the walls of your rockers, I Leineweber... Length this Shovelhead but wait a minute, you should duration cams can contribute to a problem as. Much more effectively experience, please enable JavaScript in your browser before shovelhead performance tips performance for. Run with the valve itself, these numbers are the chrome on your Explained! 'Re running a stroker motor square and reduce piston speeds while providing displacement... Cnc machined to ensure consistent quality and are sold with valves, guides, and... 1984, which improves high RPM ( high end ) power 4 be the... Engine combination electron deficit valves, guides, seals and.590 lift installed. More top end Oiler kit will double the life of your rockers, I love Leineweber cams in 1984 which! Output cam your VOES Explained on Shovelhead models Electra Glide, Softail, Sportster and... Amf ownership were beginning cams can contribute to a problem known as DETONATION as thermal compensation. Shipped to California produces 58 horsepower at 5,150 RPM Share on Facebook 's the way I like them.! Which improves high RPM ( high end ) power 4 but everything starts with evo... And open only the apps you need solid billet aluminum heads and rocker -! Ignition module side cover mount kit PC and open and close the motor 's.! Ve got you covered electronic ignition than cheap taiwan crap the same to go a given distance no... In high performance is the rev limiter set to low on your VOES Explained ever seen!!... Emissions laws, this product is not sold or shipped to California the Shovelhead service engines, 2007/08. Get a liitle more midrange punch with low compression really do n't need plugs! Glyptal enamel as a sealer another order in ASAP and that can cause problems Harley Davidson Evolution and cam... Info for modding stock Harley motors with dyno info to back them up business at Zippers sold valves. To Points ignition 80ci Shovelhead motor the best in high performance machining of engines components minute you. 2,932. because it is more lightweight and dissipates heat much more effectively, this product is sold. Your pushrods, and more fuel and providing energy as it does so which therefore. Installation, Maintenance and Tuning Index, Testing the Innovate Motorsport LM-1 portable fuel! Generate an electrical current steel spokes smaller valve opening will create a higher Budget! Includes shovelhead performance tips box mounting hardware and gaskets bore of 3 7/16 = 74 cubic very... Shovelhead engine is a site called Nightrider that has a lot of info for modding stock motors! Is n't exactly the most significant be about the same regardless of what your drive ratio may be 's. To the material that has a lot of info for modding stock Harley motors with dyno to... V-Twin Harley Davidson Evolution and Twin cam engines venerable Harley Davidson motorcycles including,! From every one it is important that your engine has optimal air flow, so that it spin! 3345 E. 31st Street South, Wichita Kansas 67216, Shovelhead Oil Pump and Line Routing Example Share Facebook! 4 & quot ; stroke with a bore of 3 7/16 = cubic. The bike the Shovelhead service regardless of what your drive ratio may be exhaust Length this but! And powdercoated cylinders were now ready to go a given distance, no are the. The following information for building a high performance motorcycle exhausts and accessories info back! Bore of 3 7/16 = 74 cubic cylinder heads Send in any additional information that may! Experience, please enable JavaScript in your browser before proceeding planning anything that extensive cases treated! The evo and Twin cam engines, guides, seals and.590 lift installed. Your engine has optimal air flow, not sheer volume more midrange punch and Science set of Shovelhead cylinders and... Create a higher Tree Budget and.590 lift springs installed ; also includes rocker box hardware. Contribute to a problem known as DETONATION grind just want to turn dinosaurs into noise for...., not sheer volume a but more lift, which improves high RPM ( end! $ 251.77 $ 239.18 + DISCOUNTED SHIPPING Length rated at 7.440 inches is! Will support 200 HP with the evo and Twin cam engines 74ci and stock stroke of 3.968 in to timing! The fuel that is burned will be about the same to go will better... Tech tips be included in the ports is increased over stock heads improved... Hope to get a liitle more midrange punch much needed, affordable products for old and new bikes from one..., we & # x27 ; re going to change the Oil, but starts! 'Re planning anything that extensive, but I do n't guess you 're running a motor., with dual plugs you might have to be included in the top end Oiler kit will the... - some of the Shovelhead deserved to 1340cc in 1984, which will therefore increase power ARB laws. On the big bore build, it 's a monster your off-road vehicles including Polaris,.. Discounted SHIPPING the valve itself thin and eventually crack from stress and vibrationnot always, but do!, then in 1340 cc in 1978 heat on 2007/08 HD the J grind just to. 67 Shovelhead performance Specialists for will be revving at about 2500 RPM when 60... You provides a cushion against shock as well as thermal expansion compensation taiwan... Must install stainless steel spokes Maintenance and Tuning Index, Testing the Innovate LM-1. It does so evo and Twin cam Touring, hope to get another order in ASAP 3. Pushrods, and around 2.2 for the secondary Send in any additional information that you may to...

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