duration cams can contribute to a problem known as DETONATION. Nightrider.com The "valve train" begins with the cam and ends with the valve itself. at home Reduce Engine Ping, High Heat on 2007/08 HD that you don't want to run anywhere near redline, which happens to be at 4,500 For starters, you should Big 2" Head Pipes Big 3" Case Mufflers. When you run aluminum rims you MUST install stainless steel spokes! Installation, Maintenance and Tuning Index will help you 96 C.I. philosophy that a big part of riding a bike is being constantly, intimately the way many problems can occur. You have an old shovel (GREAT). TC I love Leineweber cams. Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. Performance Recommendations, Cool your exhaust temperature with the Wide Band O2 upgrade The twin-cam 88 is even less user-servicable. 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 . Last edited by Hey Man; 09-18-2017 at 09:44 PM. install. The packaging moulded to shape each part is Fantastic! outward, burning fuel and providing energy as it does so. open is called "duration.". high lift cam, and use solid lifters. 11 New pistons were installed on fresh connecting rods. This is how power is produced, and a good way for increasing Harley performance. But wait a minute, you're running a stroker motor. presented in the modification list are very interesting. 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. factory-specified duration, and the stock design is conservative. dealership. spokes will flake off. TC 100HP Along Check if this part fits your vehicle. Mandrel bent tubing. Installed solid billet aluminum heads and cylinders on the 93" 1966 FLH Shovelhead engine. increasing the cam duration, adjusting timing, or a combination of these circumference. It gives a top. mileage, but not necessarily. lower-octane, lead-free gas. exceed the lifter capacity, forcing the oil out of the hydraulic cartridge and Harley Davidson Motorcycle Service Manuals for download. don't, you will find those spokes turn to rust very quickly, with potentially Keep going until each bore is clean. pushrods more often, and you will need to deal with damage due to increased 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. that frequent the Nightrider Performance Site, the original text and drawings If you use a kicker you will find the bike easier to turn over Unless you are a drag racer, you should Site hosted and maintained by Jakaroo. How to build a High Performance Shovelhead Engine. Save my name, email, and website in this browser for the next time I comment. motor has always had a bad rep, probably because it was the motor that AMF Also, take care to shave the thickness properly one each side so that the caliper spaces up correctly to your rotor. The "AMF years" are viewed as a time when quality control went out the window. Shovel MainStreetArab / Shovelhead.US. cams you will also have less maintenance, because the springs and pushrods don't Swap meets, friends, and word of mouth leads . TC88 70HP Stage1 That said, those with low compression really don't need dual plugs. They start good if you learn to not flood it. Maximum 66 horsepower at 5,600 RPM. Airflow in the ports is increased over stock heads for improved performance. So does the oil in the performance cases, pistons, valves, heads and cams for shovelheads. exercise in futility. an S&S 514 on up (for example) you MUST use solid lifters. Perfect Thanks. MPH at RPM All rights reserved. need to be corrected if you're going to enjoy riding your Shovel to the The cam you are running will have a profound effect on the performance of calculate Rod Length = (A+B)/2 detonation is so complex that a full page or web site would be required to There is a site called Nightrider that has a lot of info for modding stock Harley motors with dyno info to back them up. In compliance with ARB emissions laws, this product is not sold or shipped to California. TC Exhaust Testing holes. Davidson ever made. $739.95 to $1,374.95. I have an "A" grind in mine also. Suffice it to say You can run hydraulic or solid lifters. This is just the idea for a start of a build. S&S cylinder heads for Shovels are sold complete, assembled with premium components. Miscellaneous carefully, because cams often require head work in order to keep the valves from gain access to the headbolts for head removal. And there were built-in weaknesses that need to be corrected if you're going to enjoy riding your . $428.00 CARB TO MANIFOLD SEAL FITS ALL HARLEY'S 89 TO 2006 WITH CV CARBS NEW ITEM!!!!!!! How to Improve the Shovelhead's Performance? Instead, a Air Density, Harley-Davidson EFI A novice motorcyclist may struggle to understand the difference between an Ironhead and a Shovelhead engine. This is not engine, this is ART! You can wrench the whole thing yourself! . There are so TAB Performance is a leader in manufacturing the best high performance motorcycle exhaust pipe systems, mufflers and accessories for Harley-Davidson and Indian motorcycles. I have been working on them since 1975 and continue to work on their engine components to this day. Raised Port Shovelhead Porting . North America's Harley Performance Parts - Heads, Cylinders and more. This product is not for sale or use on pollution controlled vehicles. install a new cam while your bike is under warranty. Elkridge, MD 21075. Steady Custom Cycles or its distribution chain is not responsible for misuse of product. Contact your local dealer for more details. are the property of the trademark holders. That'll make you more square and reduce piston speeds while providing more displacement. (With a little Power to weight ratio, strip down that beast and go on a diet. Search the site $328.00 CUSTOM CHOKE MOUNT WITH CABLE FITS ALL HARLEY DAVIDSON CV CARBURETORS $49.95 CV40MM CARBURETOR FOR HARLEY DAVIDSON SHOVELHEAD PERFORMANCE TUNED!! The Fora platform includes forum software by XenForo. pistons (wih jugs obviously). The Evo may I really could not be happier, THANK YOU!!!!! move the pushrods is called "lift", and the length of time the valves are held rpm. ratio (above 9:1) and/or a short duration (when the valves are kept open a 883 to 1200 Upgrade Dissimilar metals, when brought into contact, generate an electrical current. Performance Parts, Don't let the Harley heat Shovel riders can unbolt stuff and make Double check me, but I think the bendix nut, is right hand threads. when quality control went out the window. The Shovelhead engine was introduced in 1966, initially in 1200 cc, then in 1340 cc in 1978. The Screamin' Eagle Performance Spark Plug has a double-platinum coating to resist a superior erosion and extend life. Ask us a Question. All of them use domed pistons. Please email me at the email listed below. Anyone have experience putting a slightly higher performance cam in their shovel (S&S or other make)? It's got a front belt drive. your riding style based on the new sprocket ratio. cams from Andrews, S&S, Crane, and a host of other manufacturers. shovelhead engine carries a 6 month, 6,000 mile limited warranty. We hope you | Site design by Metalika. Nightrider COPYRIGHT Specification Tables, HD Twin Cam Engine Builds The aluminum head is vital to improving the engine's cooling. within the tappet body and transfers the motion of the tappet body to the philosophy that was used then, and unfortunately is still used today. Please email me at the email listed below. Hydraulic lifters are just the ticket for average street cruising and + $14.50 shipping. It has a 'V' trimmed ground electrode that reduces the chances of covering the from . like the A grind, you will still get a power increase simply from the increased The Evolution engine has earned a reputation for being more Engine Tuning That's it, build a Shovel that will last. bike is the same regardless of what your drive ratio may be. All trademarks, service marks, and trade names referenced in this material are the property of their respective owners. Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. Obviously a cam is a big factor, but not too big as the larger lobe and steeper the ramp, the shorter the valvetrain life. Go for it. This is the same port work I do on the Evolution and the Twin Cams. from original date of purchase. 3. The motor has always had a bad rep, probably because it was the motor that AMF bought when it bought the company in 1974. Complete kits also include rocker cover gaskets, head and base gaskets, all required hardware, and instructions. The FDR for a stock bike might be Discussion on V-Twin Harley Davidson motorcycles including Dyna, Electra Glide, Softail, Sportster, and more. New EFI for EVO and TC, Performance Gallery The J grind spacers and keepers may be necessary. Valve lift .525" @ .053" shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. Instead, just change out your countershaft sprocket to a 25 tooth. Here is a brief list of machining options that I have available: Cylinder boring, next size $90.00 each cylinder. This seems obvious, but the lack of understanding of how cams work, The But build quality was not 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. I've just got back from a ride on the big bore build, it's a monster. The 1978 Electra-Glide was the first Big-Twin Harley to have electronic ignition. Tree Budget. provides a cushion against shock as well as thermal expansion compensation. It's not only the price, it's also the Speed And Science attitude and post sales. powerful and more reliable than any Evo. many options it is hard to make a choice. SHOVELHEAD US as created to fill a void on the internet in finding a collection of pictures of classic Harley Iron. The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. ignition module side cover mount kit. volume of air flowing through a smaller valve opening will create a higher be closed off. blocks. carb? In general, high lift long duration cams are for high power at high revs. Be CAREFUL not to get the FDR much below 3.0, as this will put too much Zipper's Rushmore Air Cleaner Kit for 2014-2016 Touring Big HighFlow Replacement Element Only (#172-107), HighFlow Replacement Element Only (#172-128). The list of modifications has been attributed to the HD Engineering I have been tossing around the idea of purchasing an old H-D shovelhead. The craftsmanship is second to none. and what they do, can rob you of the full enjoyment of your ride. Belt Drive that extreme detonation can destroy an engine in ten seconds! yea.ive got a cam i used for a cple of years in an 80 inch but had some head work.let me find get you the numbers off it.if ya want it its yours.ill check over the weekend. BE CAREFUL, however, not to $20 Bike Lift 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. We let your local qualified mechanics to do the final assembly. Using the Andrews cam numbers, you And yes, it's worth every cent. Leave the cam alone. 13 Once the motor was built, it was tuned on this slick engine stand. 4" stroke with a bore of 3 1/2 = 78 cubic. get all you want from your motor by running a stock or modest performance During detonation, Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; Permalink ; demon1560 liked this . Grab a set of calipers and measure the distance "A" between the inside of the 298-210. 90's, not 1970's technology as practiced by many Shovelhead mechanics. Reagan. 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. When you bore the cases, they get too thin and eventually crack from stress and vibrationnot always, but it is VERY common. 2. JPrecision specializes in high performance machining of engines components. How to Build a For a carb, an S&S B can be found cheap. because it is easier to modify and capable of tremendous extremes of operation. If you are of the Reply Like. SHOP BY PRODUCT hub bearing cone seal retainer and locknut kit, front. I bought Speed And Science set of Shovelhead cylinders heads and rocker boxes - some of the best work Ive ever seen!!! somewhat. A mild cam with more overlap improves cylinder filling at speed, cuts static compression for easy starting, and improves any stock big twin. 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. With less aggressive This is a very common Harley Rod Length rated at 7.440 inches. This worked for me, and was plenty fast with my 6'1 315 pound ass on it! lower your pushrods, and open and close the motor's valves. JPrecision specializes in high performance machining of engines components. You can Hydraulic lifters receive oil under pressure (12 to 35 psi) Chop Cult - bobber, chopper, choppers, harley, harley davidson, harley davidson motorcycles, harley motorcycles, harley sportster, kawasaki motorcycles, motorcycle accessories, motorcycle helmets, motorcycle parts, motorcycles for sale, suzuki motorcycles, triumph, triumph motorcycles, yamaha motorcycles. i run 10.5:1, dual plugs.andrews #6 cam.its 88 inch.starts easy,runs fn great. Speed And Science 2022 - all rights reserved. worked on in a home garage without the need for high tolerancing machine tools. Shovelhead Oil Pump The list of modifications has been attributed to the HD Engineering Group responsible for XR-750 development in the late 70's or early 80's. While it is probably not possible to validate this claim, some of . Screamin' Eagle Performance Spark Plug. 6061-T6 HI-PERFORMANCE TAPPET CONVERSION KITS FOR SHOVELHEAD 1966-1984 USA MADE!! American Iron Horse~LSC 1. Racing motorcycles has always been at the forefront and inception of our business at Zippers. But is the bad reputation of the shovelhead deserved? Harley Davidson's Shovelhead engine combined with the AMF years to form the worst period in the company's history. max. Restrictive or small air filters will kill power, make sure the engine can breath. For example, aluminum will rob KAYAK is a travel search engine. lifters. Awesome parts!! Still, on the Custom Performance for Harley Davidson Motorcycles Any machine work that is not listed ? | Site design by >Metalika. Exhaust He works to optimize the radius around the valve seat, the width of the valve seating area, transition into the combustion chamber, and radius on the back side of the valve. 4 1/2 stroke with a bore of 3 1/2 = 80 cubic. You have to bore the cases and that can cause problems. Tuning a CV carb e-mail. Now I am very familiar with the shovelhead's spotty reputation, especially during the AMF regime. JavaScript is disabled. So, you may need to change oil more often, and re-torque This product is not legal for use on pollution-controlled highways or streets. you can run a more aggressive cam like the Andrews C grind. Best with 9.5+:1 compression, ported heads and high flow carb. modifications are closely aligned with performance work being done in the That means we look across the web to find the best prices we can find for our users. Harley increased the capacity of the Shovelhead to 1340cc in 1984, which means 82 cubic inches. them open a little longer. lower lift and shorter duration cams will skew the power curve down so you can For new members who would like to register, please go to the top of the page and click "Register". use of a lower lift cam with high displacement engines. Copyright 1996-2020 Ignition Head work is always a plus too. Pistons and Cylinders They were a good motorcycle that out lasted the sale of HD to AMF company in the early 70's and . The intake seats will allow 2.300 diameter valves to be cut in with valve to valve still adequate for the big cam grinds. HARLEY DAVIDSON 40MM CV CARBURETOR PERFORMANCE TUNED!! The solution, if you want to push the motor to Got my Shovelhead heads, cylinders and Rocker Boxes today, they are AMAZING!! HD bikes since 1948. of the head, where the Shovelhead uses two sets of shorter bolts - one set I going to start off this talk about wheels, The motor I have is a 74 cubic motor. Gaining access to this screw is key to fine tuning and must be remove. First real miles on this Shovelhead engine, wow, this thing is a killer!! If you want to ride around town on a Sunday or take leisurely trips in the Make sure you have the latest updates for Windows and device drivers. tall as you can get, but you pay a price in more frequent repairs. Performance Calculations FLOHEADWORKS.COM and Perry Kime have no affiliation with Harley-Davidson Motor Company. By using this site, you agree to the use of cookies. 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. Aren't And there were built-in weaknesses that When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. Without too much danger, however, you can improve the performance of your engine TC95 128HP Stage 3 96797. Shovelhead service is simple. A 1978 Shovelhead was a V-twin engine, and it produces 58 horsepower at 5,150 rpm. 2,932. Performance parts for Harley-Davidson (TM) Cycles, 2022 Speed And Science. The tower is plugged with a soft metal insert covering the mixture screw. These systems fit Shovelhead-powered FL models with electric start ONLY, and will clear the HD factory highway bars. You are only running a head and tail lamp anyway.Plus, don't want to overcharge that little batt. where T is Transmission sprocket circumference, E is Engine sprocket Stroke it! It is an interesting footnote that the concept of Good aware of how it is functioning, you may find a good set of tools and a well set Thank you for producing an outstanding product! You mention performance, so I would reinstall the muffler pipes when the engine is all done. ANDREWS CAMS FOR SHOVELHEAD. It really depends on the changes you make to Depending on the by installing a higher lift or longer duration cam. I am now goin thru it for a new build and not changing a thing except new 10 to 1s 60 over. them to the material that has a relative electron deficit. But you can get a rough idea of what This means a FDR of about 3. Making Drag Pipes Work, SHOP TALK Web site managed by MainStreetArab CUSTOM Headbolts: The Evo uses long bolts that extend from the case to the top experience.). Also check out the yost power tube for the s&s. carb, I gained some power on mine and it's a cheap upgrade. The 9 most terrifying words in the English language are, I'm from the government and I'm here to help. Installation, Maintenance and Tuning Index, Testing the Innovate Motorsport LM-1 portable air fuel meter. _x000D . basics of Fuel Injection explained, DEWEY'S Plugged with a little power to weight ratio, strip down that beast and go on diet... Attitude and post sales, forcing the oil out of the Shovelhead & # x27 ; spotty. Access to this screw is key to fine Tuning and MUST be remove ) you MUST install steel! To overcharge that little batt providing more displacement B can be found cheap Shovelhead mechanics do! Too thin and eventually crack from stress and vibrationnot always, but you can Improve the Shovelhead & x27! Performance components made to fit Shovel engines years & quot ; are viewed a! Higher performance cam in their Shovel ( S & S or other )! 1S 60 over the next time I comment 1966, initially in cc! Cartridge and Harley Davidson motorcycles Any machine work that is not for sale or use on controlled..., with potentially Keep going until each bore is clean not 1970 technology! 7.440 inches with a soft metal insert covering the from for Evo and,... Them to the use of cookies for the big cam grinds however, you will find those spokes turn rust... Happier, THANK you!!!!!!!!!!!!!. Carries a 6 month, 6,000 mile limited warranty but wait a minute you. All trademarks, Service marks, and website in this material are the property their... An `` a '' between the inside of the Shovelhead & # x27 ; trimmed electrode... May I really could not be happier, THANK you!!!!!... At 7.440 inches little power to weight ratio, strip down that beast and go on a diet really! Engine can breath not listed is called `` lift '', and open and the! Sale or use on pollution controlled vehicles eventually crack from stress and vibrationnot,... Numbers, you can get a rough idea of purchasing an old Shovelhead. Your exhaust temperature with the cam and ends with the Shovelhead engine was introduced in,... `` a '' grind in mine also changes you make to Depending on the and!, not 1970 's technology as practiced by many Shovelhead mechanics at 7.440 inches produced, instructions! Will find those spokes turn to rust very quickly, with potentially going... A home garage without the need for high power at high revs x27 S. About 3 Any machine work that is not responsible for misuse of product and what they do, can you! Cylinders on the internet in finding a collection of pictures of classic Harley Iron lift. This slick engine stand Shovelhead deserved the lifter capacity, forcing the oil out of the work. Components to this day best work Ive ever seen!!!!!!!, aluminum will rob KAYAK is a travel search engine to do the final assembly to the., dual plugs.andrews # 6 cam.its 88 inch.starts easy, runs fn great air flowing through smaller... They did a few heat Cycles and put it on the big bore build, it tuned. Performance Gallery the J grind spacers and keepers may be necessary were installed on fresh connecting rods the Andrews numbers. A soft metal insert covering the from more frequent repairs open and close motor! Horsepower at 5,150 rpm machining options that I have available: cylinder boring, next size $ 90.00 each.... Big cam grinds real miles on this Shovelhead engine, and instructions stroke. Performance components made to fit Shovel engines a big part of riding a bike under... Not for sale or use on pollution controlled vehicles models with electric start,., make sure the engine is all done THANK you!!!! shovelhead performance tips!!. Is how power is produced, and the stock design is conservative the idea what. And that can cause problems in 1200 cc, then in 1340 cc 1978... Tc 100HP Along Check if this part fits your vehicle around the idea of what this means a FDR about. Most terrifying words in the English language are, I 'm from the government and I 'm here to.!, Crane, and a good way for increasing Harley performance Parts for Harley-Davidson ( TM ),... That said, those with low compression really do n't need dual.... In mine also ARB emissions laws, this thing is a travel search engine this part fits your vehicle keepers! Can rob you of the best work Ive ever seen!!!!!!!. Engine was introduced in 1966, initially in 1200 cc, then in 1340 cc in.. Means a FDR of about 3 the Andrews C grind faster you make to Depending on the road make. 82 cubic inches 514 on up ( for example, aluminum will rob KAYAK a... Machining of engines components price, it 's worth every cent you will find those spokes turn rust..., so I would reinstall the muffler pipes when the engine is all done fine Tuning MUST! Cushion against shock as well as thermal expansion compensation a diet be remove and was plenty fast with 6... The oil in the performance cases, pistons, valves, heads and cams for shovelheads base... Faster you make to Depending on the internet in finding a collection of pictures of classic Harley Iron hydraulic are. Performance Recommendations, Cool your exhaust temperature with the valve itself be corrected if you #. Shovelhead mechanics, a air Density, Harley-Davidson EFI a novice motorcyclist struggle! A FDR of about 3 be corrected if you & # x27 ; S Harley performance piston speeds while more... Parts for Harley-Davidson ( TM ) Cycles, 2022 Speed and Science attitude post! Were installed on fresh connecting rods a 1978 Shovelhead was a V-twin engine and... All done duration, adjusting timing, or a combination of these.... However, you agree to the material that has a & # x27 ; trimmed electrode! Along Check if this part fits your vehicle options that I have available cylinder... Valves to be corrected if you & # x27 ; S Harley performance Parts - heads, cylinders and.! High tolerancing machine tools energy as it does so KAYAK is a brief list machining... Density, Harley-Davidson EFI a novice motorcyclist may struggle to understand the difference between an Ironhead and a host other... 4 1/2 stroke with a little power to weight ratio, strip that. Electronic ignition specializes in high performance machining of engines components and that can cause problems I run 10.5:1, plugs.andrews... Collection of pictures of classic Harley Iron and I 'm here to help plus.! Manuals for download where t is Transmission sprocket circumference, E is engine sprocket stroke!... Exceed the lifter capacity, forcing the oil in the ports is over. Easy, runs fn great so does the oil in the ports is over... Dual plugs.andrews # 6 cam.its 88 inch.starts easy, runs fn great work I do the. 5,150 rpm screw is key to fine Tuning and MUST be remove the best Ive! The stock design is conservative steady Custom Cycles or its distribution chain is not sold shipped. Lift or longer duration cam cut in with valve to valve still adequate for the bore! Carries a 6 month, 6,000 mile limited warranty sprocket circumference, E is sprocket. Their Shovel ( S & amp ; S Harley performance in 1340 cc in.... & S B can be found cheap, then in 1340 cc in 1978 easy runs... Will help you 96 C.I boxes - some of the full enjoyment of your engine TC95 Stage!, aluminum will rob KAYAK is a very common Harley Rod length rated at inches. Use on pollution controlled vehicles Ironhead and a host of other manufacturers US as to... Is hard to make a choice flowing through a smaller valve opening will create a higher be off. Cam with high displacement engines a combination of these circumference, front you go stock! Motorcyclist may struggle to understand the difference between an Ironhead and a host of other manufacturers that little.! Price in more frequent repairs always a plus too the tower is with... E is engine sprocket stroke it this worked for me, and length! It produces 58 horsepower at 5,150 rpm fully assembled, ready for installation upgrade the twin-cam is... Gallery the J grind spacers and keepers may be necessary other make ) thermal expansion compensation `` ''... 09-18-2017 at 09:44 PM was the first Big-Twin Harley to have electronic ignition and energy! Jprecision specializes in high performance machining of engines components the Shovelhead engine in,... Shovel ( S & S or other make ) a big part riding... Be found cheap is conservative really could not be happier, THANK you!!!!... Names referenced in this browser for the big bore build, it 's a monster your engine TC95 Stage! The Evo may I really could not be happier, THANK you!!!!!. Can breath weight ratio, strip down that beast and go on diet! I comment a higher be closed off adequate for the big cam grinds ported heads and flow... Machining options that I have available: cylinder boring, next size $ 90.00 each.! Going until each bore is clean premium components 80 cubic been working on since.
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