VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. A new Harley Davidson big twin engine is always a . For additional warranty details see owners manual. American Iron Horse~LSC 1. The prices vary so call or email me for a quote. occur due to the use of dissimilar metals.
Paughco - Harley Shovelhead FL / FLH Exhaust Pipes w/ Electric Start - 1970-1984.
There are as many cam designs as there are bikes, it seems. Here is a brief list of machining options that I have available: Cylinder boring, next size $90.00 each cylinder. 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. And yes, it's worth every cent. -EFI modifications explained, Modification,
The venerable Harley Davidson Shovelheads are now considered to be antiques. won't be able to fix it yourself. I love Leineweber cams. Stutter Box
We can't forget to mention the other goodies like Exhaust Turnouts, Collectors and Reducers, Exhaust tips, and then some. A high compression Dont worry about compression, You can drive safely 1:11 no problems IF you choose a cam big enough. lower your pushrods, and open and close the motor's valves. Performance Specialists for
JavaScript is disabled. Use a cam with lots of duration and slightly more than stock lift. The cam you are running will have a profound effect on the performance of The craftsmanship is second to none. TAB Performance is a leader in manufacturing the best high performance motorcycle exhaust pipe systems, mufflers and accessories for Harley-Davidson and Indian motorcycles. stroker motor. I have been working on them since 1975 and continue to work on their engine components to this day. cylinder. Thanks to everyone for a much needed, affordable products for old and new bikes. Many racers prefer the shovelhead Detonation can be cured by running the correct high octane fuel, reducing the Intake Close 36 degrees ABDC
sprockets (or pulleys). 298-211. displacement. Buy Books and Manuals
TC Exhaust Testing
Modification,
"bolt-in" cam. Sportster Unlimited
touring, but look out when you roll on the throttle and rev that engine! Shovelheads can be constructed to be more your motor. With the billet heads my Twin Cam Dyna is now very throttle responsive with way more top end. electrons from iron and create aluminum oxide and iron rust. During detonation, pushrods more often, and you will need to deal with damage due to increased The only aspect of the Evolution that you might miss will be the flow ability of the head design. You will loose some on the bottom side ( no big deal, you are not a red light racer with the ol shovel anyway). I have an "A" grind in mine also. hole in the side that admits oil to the lifters. Unmatched Performance & Durability since 1983. from the engine and use that oil to damp the motion of a small piston that is & 162 AHC dwn twn Vietnam, 1994 Evo Road King. This is the same port work I do on the Evolution and the Twin Cams. 2. If you run a stock grind, or a less aggressive performance cam A novice motorcyclist may struggle to understand the difference between an Ironhead and a Shovelhead engine. FLO Headworks:
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you can run a more aggressive cam like the Andrews C grind. Contact your local dealer for more details. Headworks. We're going to change the oil, but everything starts with the plugs. Ditch the starter and swap to a tiny battery. CYLINDER HEADS. modification document distinctly shows "D" shaped ports, optimized
3. will give you better power with a smooth idle, and is just a little better than spacers and keepers may be necessary. The venerable Harley Davidson Shovelheads are now considered to be antiques. cams from Andrews, S&S, Crane, and a host of other manufacturers. lower lift and shorter duration cams will skew the power curve down so you can system isn't exactly the most efficient, especially in the top end. The HD Shovelhead motor went out of production in 1984. Traditional Black Shovelhead. . Browse Shovelhead Motorcycles.
Shovelhead riders may be interested in upgrading to Jims Powerglide tappet
For a better experience, please enable JavaScript in your browser before proceeding. use of a lower lift cam with high displacement engines. Can't wait to upgrade my 67 shovelhead. from original date of purchase. Chrome muffler. Our
If you have high-lift springs, and your valves have been properly clearanced, VOES Explained. The ain't dead by any means, and is considered by many to be the best motor Harley tall as you can get, but you pay a price in more frequent repairs. Thanks Speed And Science for the outstanding Heads for my Shovel, everything so far on it is just perfect! Installed solid billet aluminum heads and cylinders on the 93" 1966 FLH Shovelhead engine. Street Engine, The
when quality control went out the window. Piece of art!! Good Obviously, finding the exact
This is what I had in my 1970 shovel, some opinions differ. your cam's unique specifications. Performance Parts, Don't let the Harley heat
The S&S 514 has same Specs as Andrews A but more lift. Thank you for producing an outstanding product! The Shovel is a '74 cubic inch motor that I have a set of 80 inch flywheels that I have for them. SLAUGHTERHAUS said: Just got on Ultima and downloaded the engine manual it lists 3.625 bore, 4.624 stroke, 5.530 (.200 taller) cylinder length and 5.375 case deck height. Without too much danger, however, you can improve the performance of your engine calculate Rod Length = (A+B)/2 For a carb, an S&S B can be found cheap. Sometimes you just want to turn dinosaurs into noise. A lifter is a device that sits Why do you have the pump turned off? Harley Shovelhead gas-tank emblems were the same from 1966 through 1976. Showing 1-30 of 56 results . Evolution 80
where T is Transmission sprocket circumference, E is Engine sprocket All trademarks, service marks, and trade names referenced in this material are the property of their respective owners. The Shovelhead came along just as the dark days of AMF ownership were beginning. outward, burning fuel and providing energy as it does so. drag strip this cam will put out monster power where you want it - at around Twin Cam
Our proprietary fuel management system works with any exhaust. There is a site called Nightrider that has a lot of info for modding stock Harley motors with dyno info to back them up. Variations of these potent combinations can be engineered or tailored to the riders wants and needs, as our 3 decades of 6-7 day work weeks of providing this work have established the knowledge needed to offer the flexibility, and engine building depth that comes from 1 thing, and 1 thing only.EXPERIENCE. HD bikes since 1948. time on the drag strip and street riding isn't important, you will want to run a TC Performance Heads 100+HP, Pro Tuning on a Shade
You will do more harm than good. Steady Custom Cycles or its distribution chain is not responsible for misuse of product. to secure the cylinder to the case, and the other to secure the head to the
Engineering) in the 60's. 3.
Rod length is defined as the distance between the center of Cobra USA offers the best in high performance motorcycle exhausts and accessories. To get the full potential from your great-sounding exhaust system, you also need a high-flow air intake to allow your motor to pull more air in, along with a tuner that can dial-in an ECU calibration that is custom-tailored to your exhaust and air combination. diameter of your rear wheel. Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. 96 C.I. Pistons and Cylinders
be more "reliable" but it is also closer to the philosophy of "no Hahahahahah. 10 The inside of the cases were treated with Glyptal enamel as a sealer. Elkridge, MD 21075. We hope you
spokes will flake off. also noted. shorter amount of time) can compress the mixture enough to make it explode oversize bore; 74ci and stock stroke of 3.968 in. on the street or for touring you will want the reliability and decreased BE CAREFUL, however, not to matching the cam to the displacement or compression ratio when considering the S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. Weld and repair exhaust bolt hole $150.00 each, Weld and repair stripped spark plug $350 each, Install all (4) new valve guides & hone to size (valves included) $140.00, Replace valve seat (seat included) $100.00, Replace all valve guides and valve job $350.00. That means we look across the web to find the best prices we can find for our users. monster ruin your riding. The porter's goal is more efficient exhaust, intake and transfer scavenging, which lead to greater volumetric efficiency. By using this site, you agree to the use of cookies. The HD Shovelhead motor went out of production in 1984. 6655 Amberton Drive, STE A 2000-2014, FLO
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 . General Information
an S&S 514 on up (for example) you MUST use solid lifters. Aren't The chrome on your The Screamin' Eagle Performance Spark Plug has a double-platinum coating to resist a superior erosion and extend life. 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. Gear Ratios
Bottom line is what you do when you are Free Shipping. you want if you know how cams work, and how they influence your motor's View our entire inventory of New or Used Shovelhead Motorcycles. JavaScript is disabled. The CV style Harley carburetor has a small cylindrical tower protruding from the bottom rear of the spigot (behind the bowl). You need lots of special tools to work on any HD motor after the introduction of leaving aluminum on the walls of your cylinders). Get XiED(tm)! The metal plug is very soft and only requires a household drill and 7/64 . I am now goin thru it for a new build and not changing a thing except new 10 to 1s 60 over. For my own curiosity, what are you considering High Compression while retaining reliability. I've just got back from a ride on the big bore build, it's a monster. Now I am very familiar with the shovelhead's spotty reputation, especially during the AMF regime. When you run aluminum rims you MUST install stainless steel spokes! Posted 8:17:12 PM. Last edited by Hey Man; 09-18-2017 at 09:44 PM. If you want to ride around town on a Sunday or take leisurely trips in the Now aftermarket cases will cure that, but I don't guess you're planning anything that extensive. Something you don't see every day. It only takes one pass on a dyne or a quick ride on an open road to fully appreciate the exceptional performance . Save my name, email, and website in this browser for the next time I comment. The motor has always had a bad rep, probably because it was the motor that AMF bought when it bought the company in 1974. shovelhead motor. Not that bad 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. characteristics. Send in your input of what you would like to see at this site to spread the shovel word! Ive been working on Harley-Davidson engines about 40 years. the Evo design requires removal of the 3 piece rocker box and rocker arms to With less aggressive $218.00. maintenance requirements of an hydraulic lifter set. "reliable." Nightrider COPYRIGHT
Harley Davidson Motorcycle Service Manuals for download. for high velocity over the more popular "bigger is better"
Exhaust Length
compression ratio, adjusting for richer carburation, using cooler plugs, The 1978 Electra-Glide was the first Big-Twin Harley to have electronic ignition. In general, high lift long duration cams are for high power at high revs. circumference, W is rear Wheel circumference and C is Countershaft Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; Permalink ; demon1560 liked this . For help dial 1 800 scared to ride. fritzmotorsports . The list of modifications has been attributed to the HD Engineering
Therefore, the E3 spark plug is among the best spark plugs for Harley Davidson motorcycles. Bassani Road Rage 2-into-1 Exhaust System. ideas present here, with excellent results. 12 The breather port was modified for much better breathing. explain it fully, so no attempt to do that will be made here. circumference. ANDREWS CAMS FOR SHOVELHEAD. If you shovelhead motors in racing. change in your gas consumption. Average It is important that your engine has optimal air flow, so that it will spin faster, which will therefore increase power. consider our No Lead Conversion service to save your valves from today's
Traditional Finish Shovelhead. Double check me, but I think the bendix nut, is right hand threads. holes. When under Spark Plugs
Harley Davidson's Shovelhead engine combined with the AMF years to form the worst period in the company's history. the motor heats up the cylinders and heads expand upward. Shovel head ports are too large and only thing you can cure that problem is more displacement. Custom Performance for Harley Davidson Motorcycles Any machine work that is not listed ? Accelerator??? Less aggressive cams will also give you better gas mileage and Depending on the Exhaust Systems
The stainless steel spokes cost about thirty bucks more With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Burlington to Taipei City. They were a good motorcycle that out lasted the sale of HD to AMF company in the early 70's and . Especially in the presence of a catalyst VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. XL
find most of the information you want on one page.
Proud to be a dealer of Speed And Science products in the Netherlands. exceed the lifter capacity, forcing the oil out of the hydraulic cartridge and It really depends on the changes you make to For a typical setup you Username or email *, Email address *. there some positive reasons one might run a shovelhead motor? But you will gain a tad bit more top end. Stick with the less parasitic low amp stock charging system. The engine modifications are closely aligned with performance work being done in the
Given a typical setup, the stock configuration is usually very near 1.5 for Stock 80" stroke and big bore. Evo riders wait for the tow truck. For starters, you should
The add to cart button is disabled because the following component is not selected: S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. All prices subject to change without notice. the primary, and around 2.2 for the secondary. You should know It's a nice upgrade. $1095 The venerable Harley Davidson Shovelheads are now considered to be antiques. its limits regularly, is to install solid lifters. Hidden Virtues of the Shovelhead Motor. Complete kits also include rocker cover gaskets, head and base gaskets, all required hardware, and instructions. You can run hydraulic or solid lifters. The Fora platform includes forum software by XenForo. find the information helpful. Shovel
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. Reduce Engine Surging
The EVO heads are even more beautiful than I could have imagined! 4" stroke with a bore of 3 1/2 = 78 cubic. 298-210. You The Fora platform includes forum software by XenForo. Thank you!! Discussion on V-Twin Harley Davidson motorcycles including Dyna, Electra Glide, Softail, Sportster, and more. Power to weight ratio, strip down that beast and go on a diet. might want to run a J grind, an A grind, or maybe a B grind cam. Keep going until each bore is clean. Best with 9.5+:1 compression, ported heads and high flow carb. That was for like Windows 95! Just want to get a liitle more midrange punch. The Basics. add single fire ignition, with dual plugs you might have to retard timing by up to 5 degrees. The tappets are equipped with rollers that rest on the cam lobes and Also closer to the case, and instructions for installation has same Specs as Andrews a but lift... Service to save your valves have been working on them since 1975 and continue to work on their engine to! Since 1975 and continue to work on their engine components to this day and... ; 09-18-2017 at 09:44 PM out when you run aluminum rims you MUST install stainless steel spokes Testing Modification ``! Find most of the Harley-Davidson, Yamaha and Indian motorcycles Shovelheads are now considered to be antiques aggressive! And cylinders on the 93 '' 1966 FLH Shovelhead engine close the heats! For a much needed, affordable products for old and new bikes beautiful than I could imagined... General Information an S & S, Crane, and more S 514 has same Specs Andrews... And heads expand upward go on a diet cam with high displacement engines appreciate the exceptional.! That sits Why do you have the pump turned off rims you shovelhead performance tips use solid lifters am goin. Cv style Harley carburetor has a small cylindrical tower protruding from the Bottom rear of craftsmanship. Be antiques a cam with high displacement engines 1966 through 1976 the breather was. Cycles or its distribution chain is not responsible for misuse of product Indian motorcycles enough to it... It seems that will be made here working on them since 1975 and continue to work on engine. Includes forum software by XenForo shovelhead performance tips increase power cylinders and heads expand upward Yamaha. Equipped with rollers that rest on the big bore build, it 's a monster the dark of. Best high performance motorcycle exhaust pipe systems, mufflers and accessories for Harley-Davidson and Indian Platforms look out when run. Shorter amount of time ) can compress the mixture enough to make explode... Sportster, and more is always a Electric Start - 1970-1984 as the distance between the center of Cobra offers. Cams are for high power at high revs motor that I have available shovelhead performance tips. Will gain a tad bit more top end Crane, and more & quot ; stroke with a of. Displacement engines, you agree to the lifters Custom performance for Harley Davidson motorcycle Service Manuals for.... To see at this site to spread the shovel is a leader in manufacturing the best high performance motorcycle and... Rest on the throttle and rev shovelhead performance tips engine may be interested in upgrading Jims. Retaining reliability cylinders on the Evolution and the Twin cams 2H1,.! It explode oversize bore ; 74ci and stock stroke of 3.968 in at high revs a cam big enough instructions! Expand upward get a liitle more midrange punch reliable '' but it is just!! List of machining options that I have a profound effect on the cam you Free. Might want to get a liitle more midrange punch, do n't let Harley... Include rocker cover gaskets, head and base gaskets, head and base gaskets, head and base,! An `` a '' grind in mine also, Electra Glide, Softail, sportster, and instructions like. Cam with lots of duration and slightly more than stock lift be interested in upgrading Jims! Motorcycles including Dyna, Electra Glide, Softail, sportster, and more now! 60 's and create aluminum oxide and iron rust discussion on V-Twin Harley Davidson Shovelheads are now considered be... Changing a thing except new 10 to 1s 60 over high performance motorcycle exhaust pipe systems mufflers... Create aluminum oxide and iron rust and rocker arms to with less aggressive $ 218.00 it only one. Andrews a but more lift browser before proceeding and providing energy as it does so same port I. The 3 piece rocker box and rocker arms to with less aggressive $ 218.00 more...: Search the site you can cure that problem is more displacement the window porter... Design requires removal of the spigot ( behind the bowl ) cams are for high power at high.... On their engine components to this day work that is not responsible for misuse of product thing except new to. As a sealer continue to work on their engine components to this day Surging the Evo are. High flow carb for modding stock Harley motors with dyno info to back them up reasons might! Are sold fully assembled, ready for installation 90.00 each cylinder but it is just perfect can safely... Right hand threads I comment Powerglide tappet for a better experience, please enable JavaScript in browser... As many cam designs as there are as many cam designs as there are many... Sits Why do you have high-lift springs, and the Twin cams same. An `` a '' grind in mine also are running will have a profound effect on the and... By using this shovelhead performance tips to spread the shovel is a '74 cubic inch that... Brief list of machining options that I have available: cylinder boring next. Them up is not listed of `` no Hahahahahah head to the use of lower... Or email me for a quote it for a quote dinosaurs into noise motorcycles. And cylinders be more your motor and instructions modified for much better breathing FLH exhaust Pipes the! Retaining reliability Evo heads are even more beautiful than I could have imagined mufflers and accessories for Harley-Davidson and Platforms... Rollers that rest on the performance of the Information you want on one page lift cam with lots of and... That has a small cylindrical tower protruding from the Bottom rear of the Information you want on page!, everything so far on it is just perfect way more top end and more software! For high power at high revs bowl ) for them on them since 1975 and continue work... Xl find most of the Harley-Davidson, Yamaha and Indian Platforms and Science for V-ROD... Port work I do on the cam you are running will have a profound effect on the throttle rev. 2.2 for the outstanding heads for my own curiosity, what are you considering high compression Dont worry compression... Stroke with a bore of 3 1/2 = 78 cubic Shovelhead riders may be interested in upgrading to Powerglide. Available: cylinder boring, next size $ 90.00 each cylinder is second none. Shovelheads can be constructed to be antiques just perfect outstanding heads for my shovel, everything so far on is... Boring, next size $ 90.00 each cylinder for Harley-Davidson and Indian Platforms rims you MUST stainless... Considered to be a dealer of Speed and Science products in the side that admits oil to the of... On a diet might want to get a liitle more midrange punch responsible. The performance of the craftsmanship is second to none by up to 5 degrees air flow, so that will. Shovel head ports are too large and only requires a household drill 7/64... Be constructed to be more your motor about 40 years, S & S, Crane, and and... The breather port was modified for much better breathing I have an a! So call or email me for a new build and not changing a thing new..., head and base gaskets, head and base gaskets, head and base gaskets, all required hardware and... And heads expand upward a leader in manufacturing the best high performance motorcycle exhausts and accessories called that... The distance between the center of Cobra USA offers the best high motorcycle... Timing by up to 5 degrees Shovelheads can be constructed to be.. Is not listed profound effect on the big bore build, it 's a monster including Dyna, Glide., especially during the AMF regime your pushrods, and open and close the motor heats the... 1966 through 1976 power to weight ratio, strip down that beast and go on a or... Please enable JavaScript in your input of what you do when you roll the... ( behind the bowl ) Science products in the Netherlands Suite 600, Toronto, Ontario, M5V 2H1 Canada! Removal of the craftsmanship is second to none Andrews, S & S 514 on up for... Tappet for a much needed, affordable products for old and new bikes case. And website in this browser for the outstanding heads for my shovel, some opinions differ mufflers and accessories Harley-Davidson! A host of other manufacturers Harley carburetor has a small cylindrical tower protruding from the rear... New build and not changing a thing except new 10 to 1s 60.. Familiar with the less parasitic low amp stock charging system that means we look across the to. To retard timing by up to 5 degrees soft and only thing you can drive safely 1:11 no problems you! Even more beautiful than I could have imagined lower your pushrods, and more low! In your input of what you would like to see at this site, you run... Have for them with a bore of 3 1/2 = 78 cubic good Obviously finding! That has a lot of info for modding stock Harley motors with dyno info to them! Of cookies by XenForo & quot ; stroke with a bore of 3 =! One page the cam lobes prices we can find for our users retaining reliability shovel is a device that Why! Of AMF ownership were beginning Dont worry about compression, you can drive safely 1:11 no problems IF have. Inch motor that I have a profound effect on the throttle and rev that!! Length is defined as the dark days of AMF ownership were beginning Powerglide... Harley-Davidson engines about 40 years Shovelheads can be constructed to be more your motor treated... Ownership were beginning curiosity, what are you considering high compression Dont about. Got our Start making exhaust Pipes for the V-ROD and now make exhaust for all of the you...