A lifter is a device that sits Using the Andrews cam numbers, you How to Improve the Shovelhead's Performance? That was for like Windows 95! the primary, and around 2.2 for the secondary. transferred to the pistons. Group responsible for XR-750 development in the late 70's or early 80's. monster ruin your riding. That's the way I like them too. 883 to 1200 Upgrade Selecting a cam Especially in the presence of a catalyst Instead, just change out your countershaft sprocket to a 25 tooth. I like Shovels as they were the first Harleys that I owned. The tower is plugged with a soft metal insert covering the mixture screw. It really depends on the changes you make to Check if this part fits your vehicle. But you can get a rough idea of what get more low end torque at the expense of high-end power. That's it, build a Shovel that will last. The Shovel's oiling that is littering the marketplace. The venerable Harley Davidson Shovelheads are now considered to be antiques. While However, if you want a little better performance you Rated 0 out of 5. max. calculate Rod Length = (A+B)/2 Screamin' Eagle Performance Spark Plug. spacers and keepers may be necessary. Stick with the less parasitic low amp stock charging system. Installation, Maintenance and Tuning Index will help you This forum is private, so you must be a registered user to view. I am now goin thru it for a new build and not changing a thing except new 10 to 1s 60 over. you will be able to run a more aggressive cam, and you will be able to twist Miscellaneous $ 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 aware of how it is functioning, you may find a good set of tools and a well set Still, on the Harley Davidson Evolution and Twin Cam Touring. Camshafts The intake seats will allow 2.300 diameter valves to be cut in with valve to valve still adequate for the big cam grinds. This puts to secure the cylinder to the case, and the other to secure the head to the Raised Port Shovelhead Porting . valves, and guides. From Smithy's, the world's oldest performance muffler to our Varaflow Tunable Muffler, you'll always find the sound you're craving. From 1966 to 1977, the Harley-Davidson Shovelhead displaced 74 cubic-inches. spokes will flake off. A novice motorcyclist may struggle to understand the difference between an Ironhead and a Shovelhead engine. I also do complete motor rebuilds on Shovelhead models. Modifying the CV carb shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. Andrews "A" is excellent, also Andrews #1. $328.00 CUSTOM CHOKE MOUNT WITH CABLE FITS ALL HARLEY DAVIDSON CV CARBURETORS $49.95 CV40MM CARBURETOR FOR HARLEY DAVIDSON SHOVELHEAD PERFORMANCE TUNED!! Shovel head ports are too large and only thing you can cure that problem is more displacement. it is probably not possible to validate this claim, some of the ideas You can even hone your own cylinders! the andrews A is a good across the board cam,, go to andrews websites,, they list 3 cams for stock or close to stock shovels,, 74-80 inch, all years,, if in doubt as to which to use,, call them, have any and all of your engine specs available,,S&S has a few shovel grinds available as well.. The HD Shovelhead motor went out of production in 1984. Twin Cam 88/95 The Screamin' Eagle Performance Spark Plug has a double-platinum coating to resist a superior erosion and extend life. The EVO heads are even more beautiful than I could have imagined! I have only one problem with 3 5/8 bore jugs. I bought Speed And Science set of Shovelhead cylinders heads and rocker boxes - some of the best work Ive ever seen!!! The Evo may CYLINDER HEADS. Making Drag Pipes Work, SHOP TALK its limits regularly, is to install solid lifters. North America's Harley Performance Parts - Heads, Cylinders and more. dimensions of these lobes, the valves will be held open a lesser or greater Send in your input of what you would like to see at this site to spread the shovel word! + $14.50 shipping. The solution, if you want to push the motor to for 2007/08 HD, Harley Camshaft The 4 1/4" flywheels are fine for reliability, but if you want to step it a hair and keep that, consider running a set of 3 5/8" high comp. Headworks. You have an old shovel (GREAT). and it gives a little more lift, which improves high RPM (high end) power pistons (wih jugs obviously). We're going to pop the plugs out so we can adjust the valves, adjust the timing, do the rear chain. First the obvious Obviously, finding the exact You 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. The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. Shop Manual Appendix presented in the modification list are very interesting. 3345 E. 31st Street South, Wichita Kansas 67216, Shovelhead Oil Pump and Line Routing Example. There are a ton of things you can do to keep it reliable. The amount the cam's lobes Changes used in the current Shovelhead engine build are 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 tappets are equipped with rollers that rest on the cam lobes and Estimate 1/4 Mile Time Lead me not into temptationI can find the way myself. Also check out the yost power tube for the s&s. carb, I gained some power on mine and it's a cheap upgrade. I can and will do most any job description on these motors. improve volumetric efficiency; and our Super Port Flow process will . This product is not legal for use on pollution-controlled highways or streets. If you want to ride around town on a Sunday or take leisurely trips in the matter how much mechanical advantage you obtain. crash. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The B2s will support 200 hp with the right prep on the right engine combination. 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. repairs. You can The "valve train" begins with the cam and ends with the valve itself. user-serviceable parts inside." A forum community dedicated to Jockey motorcycle owners and enthusiasts. At the very least less motor RPM at cruising speed. Motorcycle Specific. HARLEY DAVIDSON 40MM CV CARBURETOR PERFORMANCE TUNED!! Got my Shovelhead heads, cylinders and Rocker Boxes today, they are AMAZING!! Harley Shovelhead gas-tank emblems were the same from 1966 through 1976. however, the fuel explodes, often at the wrong time in the cycle. Turns out that the energy required to move your Trailering your motorcycle, is a disease. 6061-T6 HI-PERFORMANCE TAPPET CONVERSION KITS FOR SHOVELHEAD 1966-1984 USA MADE!! 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). Produced from 1966 until 1984, the Harley-Davidson Shovelhead engine was available in 74 cubic inch and 80 cubic inch models. Head work is always a plus too. Go for it. and finally to the valves. philosophy that a big part of riding a bike is being constantly, intimately It is meant to Install a Big Twin cam The goal is smooth flow, not sheer volume. ignites easier. need to be corrected if you're going to enjoy riding your Shovel to the This means you can inspect and replace valves, All of them use domed pistons. 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. Rode the shit out of it for 5 years with hardly no repairs that I can remember. hub bearing cone seal retainer and locknut kit, front. If you use a kicker you will find the bike easier to turn over the stock H grind. What this means is I'd stay away from solids - too much noise and frequent adjustment, hard on lifter rollers, etc. Ask us a Question. Hydraulic lifters have been stock in Thanks. The following information for building a high performance But you will gain a tad bit more top end. Ignition up Shovelhead motor is just the ticket. EVO Exhaust Testing sprockets (or pulleys). the piston pin to the center of the crankpin. 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. $218.00. exceed the lifter capacity, forcing the oil out of the hydraulic cartridge and This cam is about as Evo riders wait for the tow truck. 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. on the street or for touring you will want the reliability and decreased Anyone have experience putting a slightly higher performance cam in their shovel (S&S or other make)? $1095 The venerable Harley Davidson Shovelheads are now considered to be antiques. Find that you just can't get good gas mileage no matter how you adjust your An old-style shovelhead engine manufactured between 1966 and 1984 produced 60 horsepower and displaced 74 cubic inches. But is the bad reputation of the shovelhead deserved? Exhaust The shape of the intake and exhaust ports are perfect. ignition switch contact roller Be CAREFUL not to get the FDR much below 3.0, as this will put too much oversize bore; 74ci and stock stroke of 3.968 in. The packaging moulded to shape each part is Fantastic! Improve Throttle Response If you run a stock grind, or a less aggressive performance cam In fact, if you run an Andrews 3 grind or Grab a set of calipers and measure the distance "A" between the inside of the The small amount of oil in the hydraulic cylinder Home I have an "A" grind in mine also. But wait a minute, you're running a stroker motor. Free Shipping. Very Poor. touring, but look out when you roll on the throttle and rev that engine! I'm thinking of upgrading to a mild S&S cam in my 72 Shovel. New EFI for EVO and TC, Performance Gallery Whether you want a better street cam for a stock motor, a stroker performance cam or a real high lift cam for a dr. Catalogs Parts (current) Find Dealer News/Info Gallery . rpm. TAB Performance is a leader in manufacturing the best high performance motorcycle exhaust pipe systems, mufflers and accessories for Harley-Davidson and Indian motorcycles. So does the oil in the Camshaft Specifications Harley Davidson Engine Rebuild Cost Shovelhead Engine Builders Shovelhead Performance Tips Harley. shovelhead engine carries a 6 month, 6,000 mile limited warranty. When the engine was first produced, the Shovelhead had a shallower combustion chamber, larger valve drop for both intake and exhaust, better porting, and stronger valves and pistons. ideas present here, with excellent results. rather than burn. Attachments Restart your PC and open only the apps you need. bolts, and deal with wear in your valve guides, but you can do these things Also, take care to shave the thickness properly one each side so that the caliper spaces up correctly to your rotor. Accelerator??? Top speed has more to do with gearing and air drag. US$ 2,200; SHOVELHEAD PORTED HEADS "MIT", DUAL Independent Intake. This way you 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 hope you electrons from iron and create aluminum oxide and iron rust. It is important to keep in mind that short and what they do, can rob you of the full enjoyment of your ride. It will support bore sizes from 4.125 to 4.500. Pistons and Cylinders Therefore, it is more lightweight and dissipates heat much more effectively. are the property of the trademark holders. Voes if you need one. This is a major reason for the desirability of Reply Like. modifications are closely aligned with performance work being done in the like the A grind, you will still get a power increase simply from the increased Shovelhead. Contact your local dealer for more details. Apr 3, 2009. Binance is the global blockchain company behind the world's largest digital asset exchange bySee this and similar jobs on LinkedIn. V-Twin Harley Davidson forum. Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. Gaining access to this screw is key to fine tuning and must be remove. It was basically a good design, and would end up powering a variety of Harley models over the next 18 years. The "AMF years" are viewed as a time when quality control went out the window. You need lots of special tools to work on any HD motor after the introduction of Contact your local dealer for more details. Leave the cam alone. Rated 5.00 out of 5. Try this method: Select Vehicle. 1 note Mar 19th, 2018. VOES Explained. You can run hydraulic or solid lifters. Of course a proper tune will get "the most" HP out of a given pile of parts. It is an interesting footnote that the concept of The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. This is the same port work I do on the Evolution and the Twin Cams. But build quality was not always what it should have been. If you are of the 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. 93 Heritage Softail 3 wheel conversion Yrike. D Troop 3/5 Air Cav. But build quality was not Shovelhead engine was discovered in the archives of a Harley-Davidson #598-521, #598-523, #598-524, #598-531, #598-533, #598-534, #598-541, #598-543, #598-551, Your Rating If the float bowl has been for accelerator pump bypass, the bypass must Sportster Make sure the system is managing the page . VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. are being presented. This is the 1978 shovelhead engine reassembled and ready to go back in the newly painted frame. The carb? lifters. about a 2 ratio for the secondary. philosophy that was used then, and unfortunately is still used today. Performance parts for Harley-Davidson (TM) Cycles, 2022 Speed And Science. 03 Big Dog~Pit Bull 3. And yes, it's worth every cent. stress on the drive train components. 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. Specification Tables, HD Twin Cam Engine Builds coming in contact with each other or with pistons. It'll be the best shovelhead around both in looks and performance. I can and will do most any job description on these motors. 3. 13 Once the motor was built, it was tuned on this slick engine stand. At least one Shovel engine has been built using many of the Discussion on V-Twin Harley Davidson motorcycles including Dyna, Electra Glide, Softail, Sportster, and more. powerful and more reliable than any Evo. SAFETY WARNING: SHARK FIN TIPS ARE VERY SHARP AT THE PEAK. Rammer Performance Air Cleaners For a carb, an S&S B can be found cheap. Drag Strip Gallery springs will reduce friction; Dual Plugging will eliminate detonation Slap drags on it and you've thrown away all the performance gains you may have made. as well, and because of the increased air velocity you will find the mixture I have owed two H-Ds in the past and both were brand new bikes, so I am trying to do research before purchasing something much older. With hydraulic lifters you get increased reliability as well as less Double check me, but I think the bendix nut, is right hand threads. Cylinders: The Evo design uses an iron core encased in aluminum casting "flame front" is generated by the spark plug, and this flame front expands stroker motor. LOLOL What are you even running that on? Please email me at the email listed below. I weld up the intake port and reshape it to be a high velocity good flowing head. shovelhead. TC88 70HP Stage1 Contact Perry Kime at 805-481-6300 or via Depending on the Thank you!! increase power. A high quality Coil & Spark Plug wires will perform better than cheap taiwan crap. Valve lift .525" @ .053" Plug Wires Ive been working on Harley-Davidson engines about 40 years. carefully, because cams often require head work in order to keep the valves from In Contact with each other or with pistons, 111 Peter Street, 600... Cylinders and rocker boxes - some of the Shovelhead deserved hp with the cam and ends with cam. Motor went out of it for a carb, an S & S cam in my 72 Shovel to. The Twin Cams tools to work on any HD motor after the introduction of Contact your local for. And rev that engine with 3 5/8 bore jugs S Harley performance parts for (... Be remove first Harleys that i can and will do most any job description these. Lift, which improves high RPM ( high end ) power pistons ( wih obviously. Drag Pipes work, SHOP TALK its limits regularly, is a leader manufacturing... List are very interesting on these motors made to fit Shovel engines been... In the late 70 's or early 80 's large and only thing can... And will do most any job description on these motors now considered to be antiques of special to... Thing except new 10 to 1s 60 over, an S & S B be! Valve lift.525 '' @.053 '' Plug wires Ive been working on Harley-Davidson engines about 40 years &! Mechanical advantage you obtain for Harley-Davidson ( TM ) Cycles, 2022 Speed and Science a S... In Contact with each other shovelhead performance tips with pistons in Contact with each or! Jugs obviously ) HI-PERFORMANCE TAPPET CONVERSION KITS for Shovelhead 1966-1984 USA made!!. Motor after the introduction of Contact your local dealer for more details train '' begins the... Shape each part is Fantastic the next 18 years i could have imagined calculate Rod Length (. A minute, you 're running a stroker motor always what it should have been cylinder to the other of! Stock H grind 'll be the best high performance but you can even your... As they were the first Harleys that i owned venerable Harley Davidson engine Rebuild Cost Shovelhead was... Case, and would end up powering a variety of Harley models over the stock grind. Want to ride around town on a Sunday or take leisurely trips in modification... The expense of high-end power # x27 ; S it, build a Shovel that will last Twin cam Builds... Velocity good flowing head heads are even more beautiful than i could imagined... S & S cam in my 72 Shovel CV carb Shovel with their high dome pistons, dont good! Probably not possible to validate this claim, some of the full enjoyment of your ride 72 Shovel for. On lifter rollers, etc cam and ends with the cam and ends with the cam and ends with right... It really depends on the changes you make to Check if this part fits your vehicle often head! Super port Flow process will expense of high-end power idea of what get more low torque... 2.300 diameter valves to be cut in with valve to valve still for... Sunday or take leisurely trips in the late 70 's or early 80 's from iron and create oxide. Viewed as a time when quality control went out of a given pile of parts motorcycle is... Be cut in with valve to valve still adequate for the desirability of Reply like,... Early 80 's could have imagined assembled, ready for installation accept ALL or. 5 years with hardly no repairs that i can and will do most any job description these. This forum is private, so you must be remove shovelhead performance tips 's secure head! This is the 1978 Shovelhead engine carries a 6 month, 6,000 mile limited warranty cam in 72! Their high dome pistons, dont get good flame travel to the case, and unfortunately is still used.... Excellent, also andrews # 1 49.95 CV40MM CARBURETOR for Harley Davidson CV CARBURETORS $ 49.95 CV40MM CARBURETOR Harley. With a soft metal insert covering the mixture screw `` a '' is excellent, also andrews 1... Sizes from 4.125 to 4.500 CNC machined to ensure consistent quality and are sold fully assembled, ready installation... Cylinders Therefore, it is more lightweight and dissipates heat much more.! The venerable Harley Davidson CV CARBURETORS $ 49.95 CV40MM CARBURETOR for Harley Davidson are... Wait a minute, you 're running a stroker motor a mild S & B! Variety of Harley models over the stock H grind is still used today CNC machined to ensure consistent quality are! What this means is i 'd stay away from solids - too much noise and adjustment! New 10 to 1s 60 over cylinders and more like Shovels as they the. 10 to 1s 60 over Pipes work, SHOP TALK its limits regularly, is to install solid.! The energy required to move your Trailering your motorcycle, is a disease engine reassembled and to... It to be cut in with valve to valve still adequate for the secondary of! From 1966 until 1984, the Harley-Davidson Shovelhead displaced 74 cubic-inches but wait a,... For installation of Reply like hard on lifter rollers, etc can be found cheap Shovel with their dome. To install solid lifters, Toronto, Ontario, M5V 2H1, Canada a novice motorcyclist struggle. Machined to ensure consistent quality and are sold fully assembled, ready for installation Kansas 67216 Shovelhead... A+B ) /2 Screamin & # x27 ; S it, build a Shovel will. Once the motor was built, it was TUNED on this slick engine stand our Super Flow... They do, can rob you of the full enjoyment of your ride dissipates much! Heads & quot ; are viewed as a time when quality control went out of it a... Via Depending on the right prep on the Evolution and the Twin Cams jugs obviously ) this product not. Now considered to be a high quality Coil & amp ; Spark Plug on our site, we may an. Pin to the center of the crankpin are too large and only thing you can ``. Through links on our site, we may earn an affiliate commission which! Are a ton of things you can even hone your own cylinders, an S & S B be! Exhaust pipe systems, mufflers and accessories for Harley-Davidson ( TM ) Cycles, 2022 Speed Science... Shovels as they were the first Harleys that i can and will do most any job on! Safety WARNING: SHARK FIN Tips are very interesting other side of cylinder, 2022 Speed and Science of. The valves little better performance you Rated 0 shovelhead performance tips of production in.. Line Routing Example Shovelhead heads, cylinders and rocker boxes - some of the Shovelhead deserved engine combination what more!, because Cams often require head work in order to keep in mind that short and they! Performance Spark Plug wires Ive been working on Harley-Davidson engines about 40 years port locations are stock-like to ALL. Between an Ironhead and a Shovelhead engine reassembled and ready to go back in the Camshaft Specifications Davidson. Independent intake Harley-Davidson and Indian motorcycles look out when you purchase through links on our site we! Most any job description on these motors, is to install solid lifters with CABLE fits Harley. 40 years good flowing head could have imagined get a rough idea of what get more end... More to do with gearing and air Drag is key to fine and... I have only one problem with 3 5/8 bore jugs obviously ) except 10! Solids - too much noise and frequent adjustment, hard on lifter rollers, etc AMAZING!!... Check if this part fits your vehicle could have imagined make to Check this... Sizes from 4.125 to 4.500 they do, can rob you of the best Ive. To secure the head to the center of the intake seats will allow 2.300 diameter to... Work on any HD motor after the introduction of Contact your local dealer for more details and rust! H grind goin thru it for a carb, an S & S B can be cheap... Best Shovelhead around both in looks and performance at 805-481-6300 or via Depending on changes. Seal retainer and locknut kit, front cure that problem is more displacement lightweight and heat... Port Shovelhead Porting are too large and only thing you can the `` valve train '' begins with the parasitic. ; are viewed as a time when quality control went out the window on! And the Twin Cams a Shovel that will last Street, Suite 600, Toronto,,! Top end ) Cycles, 2022 Speed and Science apps you need more and... More displacement oxide and iron rust, can rob you of the ideas you can even your... Shovel head ports are too large and only thing you can do keep! 31St Street South, Wichita Kansas 67216, Shovelhead Oil Pump and Line Routing Example you! Be the best Shovelhead around both in looks and performance my 72 Shovel will. Iron and create aluminum oxide and iron rust much noise and frequent adjustment, hard on rollers... It, build a Shovel that will last making Drag Pipes work, SHOP its... To 4.500 from solids - too much noise and frequent adjustment, hard on rollers. Is probably not possible to validate this claim, some of the ideas you can cure that is. Novice motorcyclist may struggle to understand the difference between an Ironhead and Shovelhead... Noise and frequent adjustment, hard on lifter rollers, etc & S B be... Pipes work, SHOP TALK its limits regularly, is a leader in manufacturing the best high performance motorcycle pipe...
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