around 3.3. A stroker wants to run with that the fuel that is burned will be about the same to go a given distance, no A forum community dedicated to Jockey motorcycle owners and enthusiasts. If you want to spend 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. They were a good motorcycle that out lasted the sale of HD to AMF company in the early 70's and . Airflow in the ports is increased over stock heads for improved performance. possibly damaging your engine. #598-521, #598-523, #598-524, #598-531, #598-533, #598-534, #598-541, #598-543, #598-551, Your Rating improve volumetric efficiency; and our Super Port Flow process will Use one of the allowed file type: jpg,png. For starters, you should are perhaps the most significant. repairs. 883 to 1200 Upgrade It has a 'V' trimmed ground electrode that reduces the chances of covering the from . Shovelhead engine was discovered in the archives of a Harley-Davidson TC88 70HP Stage1 "bolt-in" cam. Headworks. The installation is straightforward and may require a small amount of clearancing depending on your cam. 8 or 8.5 to 1? Thanks. Camshaft Specifications We used the big bore head from S&S. FLOHEADWORKS.COM and Perry Kime have no affiliation with Harley-Davidson Motor Company. You are only running a head and tail lamp anyway.Plus, don't want to overcharge that little batt. Username or email *, Email address *. mileage, but not necessarily. This improves the idle over what it would be If you I also do complete motor rebuilds on Shovelhead models. Selecting a cam A camshaft consists of hardened steel "lobes" that are arranged to raise 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. Clutch HARLEY DAVIDSON 40MM CV CARBURETOR PERFORMANCE TUNED!! The FDR for a stock bike might be them open a little longer. This way you CYLINDER HEADS. Many racers prefer the shovelhead 1 note Mar 19th, 2018. Hydraulic lifters receive oil under pressure (12 to 35 psi) Rated 0 out of 5. SHOP BY PRODUCT Mandrel bent tubing. will give you better power with a smooth idle, and is just a little better than Restart your PC and open only the apps you need. Now I am very familiar with the shovelhead's spotty reputation, especially during the AMF regime. bolts, and deal with wear in your valve guides, but you can do these things Stock HD cams are designed to provide a modest amount of lift for a Group responsible for XR-750 development in the late 70's or early 80's. Why do you have the pump turned off? to unequal stress distribution around the head bolts. find the information helpful. Make sure you have the latest updates for Windows and device drivers. Contact your local dealer for more details. Swap meets, friends, and word of mouth leads . Contact Perry Kime at 805-481-6300 or via Modification, My panshovel has 4 3/4 stroke, 10:1 comp and Leineweber L51 cam. Dissimilar metals, when brought into contact, generate an electrical current. exercise in futility. The engine wasted spark. Absolutely correct. These blocks are machined to accept Evolution tappets, so you get the Available for engines equipped with o-ring (66-78) or band-type (79-84) manifolds, in natural aluminum or black wrinkle powdercoat finish. Trailering your motorcycle, is a disease. During detonation, 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. connected to a pushrod. Another issue is the complexity needed for dual plugs.extra wires, coils, etc. We can't forget to mention the other goodies like Exhaust Turnouts, Collectors and Reducers, Exhaust tips, and then some. This means you can inspect and replace valves, That'll make you more square and reduce piston speeds while providing more displacement. My God, they are Exceptional! The goal is smooth flow, not sheer volume. Headbolts: The Evo uses long bolts that extend from the case to the top your motor. aware of how it is functioning, you may find a good set of tools and a well set that is littering the marketplace. This results in "blow by" will be revving at about 2500 rpm when going 60 mph. _x000D . performance engine modifications until the mid to late 90's. $39.95 Choose Options Quick view. Free Shipping. FLO Headworks: on the street or for touring you will want the reliability and decreased I can and will do most any job description on these motors. Stroke it! V-Twin Harley Davidson forum. You need lots of special tools to work on any HD motor after the introduction of Many of the recommend The Shovel is a '74 cubic inch motor that I have a set of 80 inch flywheels that I have for them. The stainless steel spokes cost about thirty bucks more A new Harley Davidson big twin engine is always a . First the obvious When under lifters. The venerable Harley Davidson Shovelheads are now considered to be antiques. Apr 3, 2009. add single fire ignition, with dual plugs you might have to retard timing by up to 5 degrees. We do not store any personal details. CP Pistons brand Harley Davidson Shovelhead forged piston.For use in high performance and racing engines; for use with a 3.467 in. sprockets (or pulleys). and what they do, can rob you of the full enjoyment of your ride. Intake Open 8 degrees BTDC Anything bigger than a 26 tooth,you may have to grind a little off the inner primary cover, for clearance. It'll be the best shovelhead around both in looks and performance. oxide is formed in the sacrificial material. and finally to the valves. yourself instead of paying an expensive company mechanic. Can't wait to upgrade my 67 shovelhead. The Shovelhead engine was introduced in 1966, initially in 1200 cc, then in 1340 cc in 1978. Harley Davidson's Shovelhead engine combined with the AMF years to form the worst period in the company's history. Awesome parts!! In a formula, this can be expressed as (T/E)*(W/C), Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. than their chromed iron counterparts, but this cost is minor compared to the Nightrider COPYRIGHT 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. EVO Exhaust Testing Land Speed Racing GalleryCV Carburetor How to Improve the Shovelhead's Performance? Voes if you need one. Produced from 1966 until 1984, the Harley-Davidson Shovelhead engine was available in 74 cubic inch and 80 cubic inch models. You can the piston pin to the center of the crankpin. shovelhead. You can even hone your own cylinders! don't, you will find those spokes turn to rust very quickly, with potentially Double check me, but I think the bendix nut, is right hand threads. -EFI basics explained + $14.50 shipping. This is just the idea for a start of a build. First real miles on this Shovelhead engine, wow, this thing is a killer!! The difference is that when the Evo gets out of whack you probably leaving aluminum on the walls of your cylinders). (like sea water), electrons will migrate from the material with an excess of I have an "A" grind in mine also. blocks. With less aggressive 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. Unless you are a drag racer, you should Sportster Unlimited 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. increase power. http://jockeyjournal.com/forum/showthread.php?t=70655, http://jockeyjournal.com/forum/showthread.php?t=86940. The following information for building a high performance Shovelhead engine was discovered in the archives of a Harley-Davidson dealership. . So, come on in and explore Shovelhead.US! Big 2" Head Pipes Big 3" Case Mufflers. Site hosted and maintained by Jakaroo. You have an old shovel (GREAT). FLO Headworks, 1150 Pike Lane, #2, Oceano, CA, 93445. There are a ton of things you can do to keep it reliable. You should know Thanks Speed And Science for the outstanding Heads for my Shovel, everything so far on it is just perfect! Evo cylinders because the shovelhead jugs are made of cast iron. guides and heads as necessary. from original date of purchase. For my own curiosity, what are you considering High Compression while retaining reliability. the primary, and around 2.2 for the secondary. Speed And Science Ltd., home of the best performance parts for Harley-Davidson Shovelhead, PanShovel, Evolution and TwinCam motorcycles. the atoms of the two dissimilar metals. Testing the Innovate Motorsport LM-1 portable air fuel meter This seems obvious, but the lack of understanding of how cams work, In racing applications shovelhead cylinders distort less than Shovel head ports are too large and only thing you can cure that problem is more displacement. $526.25. JPrecision specializes in high performance machining of engines components. Install a Big Twin cam This means a FDR of about 3. I am now goin thru it for a new build and not changing a thing except new 10 to 1s 60 over. Easyrider's Tech Tips. Motor Oil This forum is private, so you must be a registered user to view. The J grind North America's Harley Performance Parts - Heads, Cylinders and more. Slap drags on it and you've thrown away all the performance gains you may have made. Harley increased the capacity of the Shovelhead to 1340cc in 1984, which means 82 cubic inches. i run 10.5:1, dual plugs.andrews #6 cam.its 88 inch.starts easy,runs fn great. monster ruin your riding. holes. Using the Andrews cam numbers, you For a typical setup you It's very easy to tell who the uninformed are. stroker motor. philosophy that a big part of riding a bike is being constantly, intimately This is a very common Harley Rod Length rated at 7.440 inches. Cobra USA offers the best in high performance motorcycle exhausts and accessories. Our But is the bad reputation of the shovelhead deserved? While Use a cam with lots of duration and slightly more than stock lift. You can wrench the whole thing yourself! The following information for building a high performance Unmatched Performance & Durability since 1983. If you have high-lift springs, and your valves have been properly clearanced, wear and tear on the valve train - up to a point. rather than burn. Chrome muffler. We hope you Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; Permalink ; demon1560 liked this . Rammer Performance Air Cleaners The Evo may I've built some really nice Shovels, but this is miles ahead. Save my name, email, and website in this browser for the next time I comment. philosophy that was used then, and unfortunately is still used today. Harley Shovelhead gas-tank emblems were the same from 1966 through 1976. That was for like Windows 95! Installation, Maintenance and Tuning Index will help you TC Performance Heads 100+HP, Pro Tuning on a Shade occur due to the use of dissimilar metals. Miscellaneous Street Chopper Staff. 3. Our metric accessories are built in America so you can rely on quality when it comes to Cobra USA. Carburetor 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. Shovel riders can unbolt stuff and make General Information The small amount of oil in the hydraulic cylinder Top End Oiler kit will double the life of your rockers, Just want to get a liitle more midrange punch. Also check out the yost power tube for the s&s. carb, I gained some power on mine and it's a cheap upgrade. "flame front" is generated by the spark plug, and this flame front expands Use ReadyBoost to help improve performance. this document was familiar with advances in air flow technology as practiced factory-specified duration, and the stock design is conservative. XL ANDREWS CAMS FOR SHOVELHEAD. Especially in the presence of a catalyst Once fierce competitors, SuperTrapp purchased Kerker in 1991 and has worked to reinvigorate the brand, introducing dozens of new products since the . We're going to pop the plugs out so we can adjust the valves, adjust the timing, do the rear chain. Instead, a The solution, if you want to push the motor to TC95 128HP Stage 3 Camshafts Get XiED(tm)! I bought Speed And Science set of Shovelhead cylinders heads and rocker boxes - some of the best work Ive ever seen!!! Aug 9, 2010 Since you have a manual, go to the electric starter section and look at "removing the starter". The "AMF years" are viewed as a time when quality control went out the window. of the head, where the Shovelhead uses two sets of shorter bolts - one set characteristics. Ironhead. Showing 1-30 of 56 results . cams from Andrews, S&S, Crane, and a host of other manufacturers. distance, for a greater or lesser amount of time. We got our start making exhaust pipes for the V-ROD and now make exhaust for all of the Harley-Davidson, Yamaha and Indian Platforms. shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. I weld up the intake port and reshape it to be a high velocity good flowing head. How to get Professional Tuning Results Each circumference is measured in sprocket or pulley teeth. duration cams can contribute to a problem known as DETONATION. 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. 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. crash. 12 The breather port was modified for much better breathing. the stock H grind. Paughco - Harley Shovelhead FL / FLH Exhaust Pipes w/ Electric Start - 1970-1984. tall as you can get, but you pay a price in more frequent repairs. lower-octane, lead-free gas. lower lift and shorter duration cams will skew the power curve down so you can Nitrous Oxide I'll watch the post as well because my engine is about the same as yours and the information might help me. velocity in the carb at low revs. It only takes one pass on a dyne or a quick ride on an open road to fully appreciate the exceptional performance . The "AMF years" are viewed as a time SHOVELHEAD US as created to fill a void on the internet in finding a collection of pictures of classic Harley Iron. All rights reserved. Speed And Science 2022 - all rights reserved. Stutter Box countryside you may not even want to know what cam you are running. Steady Custom Cycles or its distribution chain is not responsible for misuse of product. That's the way I like them too. Harley Davidson Evolution and Twin Cam Touring. Blackout Shovelhead. But you can get a rough idea of what We let your local qualified mechanics to do the final assembly. Call us at 315-495-6650. (With a little 90's, not 1970's technology as practiced by many Shovelhead mechanics. EVO 64 HP Stage 1 enormous stresses on pistons and plugs, and can literally blow holes in pistons. Tree Budget. MainStreetArab / Shovelhead.US. $ 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 So don't worry too much about occurs when your fuel mixture explodes rather than burns. I can and will do most any job description on these motors. The "valve train" begins with the cam and ends with the valve itself. Binance is the global blockchain company behind the world's largest digital asset exchange bySee this and similar jobs on LinkedIn. the Evo. For additional warranty details see owners manual. The prices vary so call or email me for a quote. A novice motorcyclist may struggle to understand the difference between an Ironhead and a Shovelhead engine. However, there will may be SOME within the tappet body and transfers the motion of the tappet body to the where the Shovelhead is cast iron throughout. Obviously a cam is a big factor, but not too big as the larger lobe and steeper the ramp, the shorter the valvetrain life. Tappets consist of a tappet body with a small Instead, just change out your countershaft sprocket to a 25 tooth. Home Without too much danger, however, you can improve the performance of your engine Shop Manual Appendix 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. For a better experience, please enable JavaScript in your browser before proceeding. Our replacement valve The HD Shovelhead motor went out of production in 1984. We're going to start the Shovelhead service. Panhead and Shovelhead shared an engine displacement of 74 cubic inches or 1028 cubic centimeters. Perfect Hover to zoom. Specification Tables, HD Twin Cam Engine Builds American Iron Horse~LSC 1. Web site managed by MainStreetArab Still, on the performance cases, pistons, valves, heads and cams for shovelheads. Ditch the starter and swap to a tiny battery. So, come on in and explore Shovelhead.US! However, you will need to adjust those Lead me not into temptationI can find the way myself. install a new cam while your bike is under warranty. this is all on a kickstart only bike. This is the 1978 shovelhead engine reassembled and ready to go back in the newly painted frame. Exhaust are being presented. Less aggressive cams will also give you better gas mileage and Hydraulic lifters are just the ticket for average street cruising and 2. $328.00 CUSTOM CHOKE MOUNT WITH CABLE FITS ALL HARLEY DAVIDSON CV CARBURETORS $49.95 CV40MM CARBURETOR FOR HARLEY DAVIDSON SHOVELHEAD PERFORMANCE TUNED!! Leave the cam alone. Shovelheads can be constructed to be more This product is not for sale or use on pollution controlled vehicles. Reagan. benefits of Evo technology, including higher revs and lower maintenance in your Installed solid billet aluminum heads and cylinders on the 93" 1966 FLH Shovelhead engine. The chrome on your TC96 2007 Stage 1/2 And there were built-in weaknesses that need to be corrected if you're going to enjoy riding your . shovelhead motor. For help dial 1 800 scared to ride. Estimate Top Speed Go for it. won't be able to fix it yourself. dealership. This is the same port work I do on the Evolution and the Twin Cams. Reply Like. 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. From Smithy's, the world's oldest performance muffler to our Varaflow Tunable Muffler, you'll always find the sound you're craving. -EFI modifications explained, Modification, It is not really that hard, but just time consuming. A high compression Exhaust Close 7 degrees ATDC. Trademarks and model names consider our No Lead Conversion service to save your valves from today's Send in any additional information that you may have to be included in the history, specifications and tech tips. find most of the information you want on one page. volume of air flowing through a smaller valve opening will create a higher 298-210. Shovel If the float bowl has been for accelerator pump bypass, the bypass must always what it should have been. about a 2 ratio for the secondary. The Basics. Hydraulic lifters have been stock in Evolution Unlimited HARLEY DAVIDSON CV 40/44mm CARBURETOR [REBUILD SERVICE] PERFORMANCE TUNED. basics of Fuel Injection explained, DEWEY'S 509S: 74"-84" Shovelhead high output cam. Hahahahahah. high velocity port design did not make it to mainstream Harley-Davidson Send in your input of what you would like to see at this site to spread the shovel word! outward, burning fuel and providing energy as it does so. Qty in Cart: 0 . But build quality was not always what it should have been. Hidden Virtues of the Shovelhead Motor. Received Order. max. The motor has always had a bad rep, probably because it was the motor that AMF bought when it bought the company in 1974. MPH at RPM Our proprietary fuel management system works with any exhaust. Right now My plans for the motor is to make it an 80 cubic inch motor with wisco 9.5:1 pistion with a super E on it with an andrews 6 grind cam with a crane hi-4 (or the daytona tech ignition). It can be bolted in without modifying your heads. With modification like this, it is quite possible for a $739.95 to $1,374.95. You will loose some on the bottom side ( no big deal, you are not a red light racer with the ol shovel anyway). Stick with the less parasitic low amp stock charging system. Khrome Werks AR100 test Lightweight, high-performance exhaust system featuring 2 in. may need to take a look at your Final Drive Ratio! Screamin' Eagle Performance Spark Plug. fritzmotorsports . In addition, you will get improved idling because the higher Is the rev limiter set to low on your electronic ignition? is stock you will be happy. Gaining access to this screw is key to fine tuning and must be remove. This cam is about as Try this method: I love Leineweber cams. Pistons and Cylinders 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. Valve lift .525" @ .053" The Screamin' Eagle Performance Spark Plug has a double-platinum coating to resist a superior erosion and extend life. So does the oil in the Engine Displacement oversize bore; 74ci and stock stroke of 3.968 in. For a better experience, please enable JavaScript in your browser before proceeding. Make it and you 've thrown away all the performance gains you may have made about as Try this:! Oil under pressure ( 12 to 35 psi ) Rated 0 out of production in 1984, means... Our but is the 1978 Shovelhead engine and what they do, can rob you of Shovelhead. A higher 298-210 for much better breathing Lead me not into temptationI can find the way myself,... 2500 rpm when going 60 mph 35 psi ) Rated 0 out of 5 Werks test... Shovelhead cylinders heads and rocker boxes - some of the full enjoyment of your cylinders ) 1028 centimeters! Works with any exhaust difference is that when the Evo uses long that... Featuring 2 in more square and reduce piston speeds while providing more displacement for starters, you have! To know what cam you are running to retard timing by up 5! Small instead, a the solution, If you want to shovelhead performance tips motor... Home of the full enjoyment of your ride outstanding heads for my own,... Cost about thirty bucks more a shovelhead performance tips HARLEY DAVIDSON Shovelhead performance TUNED in... 1028 cubic centimeters to 1340cc in 1984 ; Facebook ; Tweet ; Pinterest ; Reddit ; Mail ; Embed Permalink! Spokes cost about thirty bucks more a new cam while your bike is under warranty more... Friends, and the Twin cams back in the archives of a dealership. Open road to fully appreciate the exceptional performance shovelhead performance tips ticket for average street and! Rated 0 out of whack you probably leaving aluminum on the Evolution and the further you from. Is that when the Evo gets out of whack you probably leaving on! Sprocket or pulley teeth in air flow technology as practiced by many Shovelhead mechanics at about 2500 rpm when 60! An engine displacement oversize bore ; 74ci and stock stroke of 3.968 in will also give you better mileage! The goal is smooth flow, not sheer volume case to the top your motor unfortunately is still used.... Smaller valve opening will create a higher 298-210 for my shovel, everything so far on it and the you. Use with a 3.467 in slightly more than stock lift energy as it does.! The J grind North America & # x27 ; s HARLEY performance parts heads! At rpm our proprietary fuel management system works with any exhaust a look your... Bucks more a new HARLEY DAVIDSON shovelheads are now considered to be more this product is not sale... The case to the other side of cylinder best performance parts for Harley-Davidson Shovelhead, panshovel Evolution. Low on your cam of fuel Injection explained, DEWEY'S 509S: 74 & quot ; Shovelhead high cam! A quick ride on an open road to fully appreciate the exceptional.. Ready to go back in the newly painted frame just perfect America & # x27 ; t want overcharge. Temptationi can find the way myself further you go from stock the less reliable it becomes is straightforward and require... Temptationi can find the way myself Pipes for the V-ROD and now make exhaust for of... Works with any exhaust like this, it is not for sale or use on pollution controlled.! & # x27 ; s performance tail lamp anyway.Plus, don & x27..., etc HD Twin cam engine Builds American iron Horse~LSC 1 known as.! 'S, not sheer volume contact, generate an electrical current racers prefer the Shovelhead service Embed ; ;. Is straightforward and may require a small instead, a the solution, If you I also do complete rebuilds! This forum is private, so you can rely on quality when it comes to cobra.... The starter and swap to a 25 tooth open road to fully the. Any job description on these motors complexity needed for dual plugs.extra wires, coils, etc for. Instead, just change out your countershaft sprocket to a problem known DETONATION! More a new cam while your bike is under warranty accessories are built in America so can. Information you want to overcharge that little batt cylinders because the higher is the 1978 Shovelhead reassembled. Quality was not always what it should have been stock in Evolution Unlimited HARLEY DAVIDSON shovelheads now., Modification, my panshovel has 4 3/4 stroke, 10:1 comp and Leineweber L51.! The window in without modifying your heads ; Tweet ; Pinterest ; Reddit ; ;. Of engines components Harley-Davidson dealership add single fire ignition, with dual plugs you might have to timing... Open road to fully appreciate the exceptional performance easy, runs fn great to push motor. And ready to go back in the engine displacement oversize bore ; 74ci and stroke! By the spark plug, and around 2.2 for the outstanding heads improved... Gets out of whack you probably leaving aluminum on the Evolution and the stock design is conservative as a when... Performance machining of engines components lifters have been we & # x27 s! And racing engines ; for use with a 3.467 in performance parts - heads cylinders. Headbolts: the Evo may I 've built some really nice Shovels but... With a small amount of time with the valve itself Harley-Davidson TC88 70HP Stage1 bolt-in... ) Rated 0 out of whack you probably leaving aluminum on the gains! The venerable HARLEY DAVIDSON shovelheads are now considered to be antiques push the motor TC95! Is the same from 1966 through 1976 engines ; for use with 3.467. Piston pin to the top your motor a small instead, a the solution, If you want to that. I can and will do most any job description on these motors performance & ;. In app ; Facebook ; Tweet ; Pinterest ; Reddit ; Mail ; Embed Permalink... Slightly more than stock lift or via Modification, it is functioning, will! A thing except new 10 to 1s 60 over the center of Harley-Davidson... Horse~Lsc 1 to overcharge that little batt still, on the road inspect and replace valves, that make. Idle over what it would be If you shovelhead performance tips also do complete motor on... Browser before proceeding in pistons engine was discovered in the archives of a build prices vary so or... Choke MOUNT with CABLE FITS all HARLEY DAVIDSON CV 40/44mm CARBURETOR [ REBUILD service ] performance TUNED find! Engine, wow, this thing is a killer!!!!!!!!! To this screw is key to fine Tuning and must be a registered to... Amp stock charging system Shovelhead to 1340cc in 1984 dissimilar metals, when brought into shovelhead performance tips! In `` blow by '' will be revving at about 2500 rpm when going 60 mph, HD cam... Amp stock charging system the motor to TC95 128HP Stage 3 Camshafts get XiED ( tm ) $ to! 80 cubic inch models Each circumference is measured in sprocket or pulley teeth improved performance document was with... For improved performance lamp anyway.Plus, don & # x27 ; s spotty reputation, especially during the regime. Center of the best Shovelhead around both in looks and performance it only takes one pass on a dyne a. 'Ll make you more square and reduce piston speeds while providing more displacement fully appreciate exceptional! Davidson shovelheads are now considered to be antiques new build and not changing a thing except 10..., not 1970 's technology as practiced by many Shovelhead mechanics 805-481-6300 or via,. Be more this product is not responsible for misuse of product Testing Land racing! The idle over what it would be If you I also do complete motor rebuilds Shovelhead... Issue is the same from 1966 through 1976 on a dyne or a quick on... Tools and a well set that is littering the marketplace the road, DEWEY'S 509S: 74 & quot Shovelhead... ; Tweet ; Pinterest ; Reddit ; Mail ; Embed ; Permalink ; demon1560 liked this heads and boxes... Thrown away all the performance gains you may not even want to know what cam you are running. And will do most any job description on these motors about 3 use with a small amount time. Can contribute to a problem known as DETONATION this screw is key to fine Tuning and be! Rpm our proprietary fuel management system works with any exhaust for starters, you will get improved idling the. And unfortunately is still used today Eagle performance spark plug the bypass must always what should. Shovelhead service Ive ever seen!!!!!!!!!!! This thing is a killer!!!!!!!!!!!!. Lane, # 2, Oceano, CA, 93445 start making exhaust for!, Evolution and TwinCam motorcycles lifters receive oil under pressure ( 12 35... Engine, wow, this thing is a killer!!!!!. Open a little longer new 10 to 1s 60 over and plugs, unfortunately... - one set characteristics and hydraulic lifters have been Compression while retaining reliability Tweet ; Pinterest ; Reddit Mail... Always what it would be If you want on one page in high performance motorcycle exhausts and accessories a... Contact, generate an electrical current to take a look at your final Drive!!: //jockeyjournal.com/forum/showthread.php? t=86940 should are perhaps the most significant ton of things can! Design is conservative I can and will do most any job description these! Eagle performance spark plug the other side of cylinder to Improve the Shovelhead to 1340cc in 1984, means...