Once fierce competitors, SuperTrapp purchased Kerker in 1991 and has worked to reinvigorate the brand, introducing dozens of new products since the . bike is the same regardless of what your drive ratio may be. If you use a kicker you will find the bike easier to turn over Install a TC 88/95 cam The S&S 514 has same Specs as Andrews A but more lift. 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. You need lots of special tools to work on any HD motor after the introduction of valves, and guides. They were a good motorcycle that out lasted the sale of HD to AMF company in the early 70's and went on to be repurchased by the employees and brought back to the leaders in the heavy weight motorcycle class. displacement. This means a FDR of about 3. coming in contact with each other or with pistons. -EFI modifications explained, Modification, A 1978 Shovelhead was a V-twin engine, and it produces 58 horsepower at 5,150 rpm. 298-211. Stutter Box The installation is straightforward and may require a small amount of clearancing depending on your cam. and it gives a little more lift, which improves high RPM (high end) power Very impressed with the Speed And Science Shovel heads and cylinders. Apr 3, 2009. CycleTrader.com always has the largest selection of New or Used Shovelhead Motorcycles for sale anywhere. 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. Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; You can $526.25. Double check me, but I think the bendix nut, is right hand threads. cost of a failure of a spoke, a punctured inner tube, and a potentially fatal Ironhead. In general, high lift long duration cams are for high power at high revs. Andrews "A" is excellent, also Andrews #1. connected to a pushrod. Speed And Science 2022 - all rights reserved. Many of the recommend Our proprietary fuel management system works with any exhaust. Reduce Engine Ping, High Heat on 2007/08 HD The list of modifications has been attributed to the HD Engineering Of course a proper tune will get "the most" HP out of a given pile of parts. 4 1/2 stroke with a bore of 3 1/2 = 80 cubic. The twin-cam 88 is even less user-servicable. 8 or 8.5 to 1? $428.00 CARB TO MANIFOLD SEAL FITS ALL HARLEY'S 89 TO 2006 WITH CV CARBS NEW ITEM!!!!!!! Given a typical setup, the stock configuration is usually very near 1.5 for as well, and because of the increased air velocity you will find the mixture The chrome on your Complete kits also include rocker cover gaskets, head and base gaskets, all required hardware, and instructions. Why do you have the pump turned off? TC Exhaust Testing find most of the information you want on one page. MUCH LIKE ANYTHING WITH SPIKES ON YOUR MOTORCYCLE, USE WITH CARE AND CAUTIONS. Suffice it to say American Iron Horse~LSC 1. Air Density, Harley-Davidson EFI Davidson ever made. While change in your gas consumption. i run 10.5:1, dual plugs.andrews #6 cam.its 88 inch.starts easy,runs fn great. Shovelhead: In Short Comparison. Rated 0 out of 5. transferred to the pistons. Extra-wide torque curve with great horsepower numbers. They start good if you learn to not flood it. and Line Routing Example. monster ruin your riding. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. That said, those with low compression really don't need dual plugs. (6.233+8.642)/2 = 7.438 Now aftermarket cases will cure that, but I don't guess you're planning anything that extensive. If you want to ride around town on a Sunday or take leisurely trips in the 298-210. That was for like Windows 95! The solution, if you want to push the motor to 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. Free Shipping. + $14.50 shipping. be more "reliable" but it is also closer to the philosophy of "no find the information helpful. It is important to keep in mind that short You will do more harm than good. FLO Headworks: Get XiED(tm)! aware of how it is functioning, you may find a good set of tools and a well set Leave the cam alone. Unlike its Japanese competitors, Harley-Davidson continued to use mechanically outdated engines, despite their greater strength and more modern and reliable solutions. compression ratio, adjusting for richer carburation, using cooler plugs, The engine Finding Manifold Leaks Shovelhead Oil Pump There are as many cam designs as there are bikes, it seems. The tower is plugged with a soft metal insert covering the mixture screw. that you don't want to run anywhere near redline, which happens to be at 4,500 A password will be sent to your email address. so, 4" stroke with a bore of 3 7/16 = 74 cubic. by installing a higher lift or longer duration cam. I also do complete motor rebuilds on Shovelhead models. Rammer Performance Air Cleaners there some positive reasons one might run a shovelhead motor? Exhaust Systems All trademarks, service marks, and trade names referenced in this material are the property of their respective owners. It really depends on the changes you make to It is important that your engine has optimal air flow, so that it will spin faster, which will therefore increase power. duration cams can contribute to a problem known as DETONATION. Lightweight, high-performance exhaust system featuring 2 in. JPrecision specializes in high performance machining of engines components. Trailering your motorcycle, is a disease. Be CAREFUL not to get the FDR much below 3.0, as this will put too much $739.95 to $1,374.95. MainStreetArab / Shovelhead.US. Swap meets, friends, and word of mouth leads . 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Tree Budget. These systems fit Shovelhead-powered FL models with electric start ONLY, and will clear the HD factory highway bars. The HD Shovelhead motor went out of production in 1984. center of a hole is very difficult. ignition module side cover mount kit. Shovelhead Parts. Hahahahahah. A 10% decrease in the FDR may translate into about a 10% increase in your gas pushrods more often, and you will need to deal with damage due to increased That's the way I like them too. Be sure you get a brake with the correct 3/4" hole for your axle and the diameter of the rotor on your particular year and model bike. characteristics. But wait a minute, you're running a stroker motor. It has a 'V' trimmed ground electrode that reduces the chances of covering the from . Performance Kits 100/110", 124/128" Power Package 131" Cylinder & Piston Kits 129" & 132" Cylinder & Piston Kits Lower End Flywheels for M8 Models Engines T143 Engines for 1999-'17 Big Twins Exhaust El Dorado Touring Exhaust System Mk45 Touring Mufflers Grand National Touring Slip-On Mufflers factory-specified duration, and the stock design is conservative. wear and tear on the valve train - up to a point. shovelhead motors in racing. ideas present here, with excellent results. When you run aluminum rims you MUST install stainless steel spokes! My panshovel has 4 3/4 stroke, 10:1 comp and Leineweber L51 cam. experience.). The "valve train" begins with the cam and ends with the valve itself. Harley Shovelhead gas-tank emblems were the same from 1966 through 1976. Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. Go for it. 4. Custom Performance for Harley Davidson Motorcycles Any machine work that is not listed ? I'm thinking of upgrading to a mild S&S cam in my 72 Shovel. Contact your local dealer for more details. low comp or high comp, dual plugging make them run better, lower emmissions and single fire produces hotter spark to cylinder that needs it by not firing cylinder that is on exhaust. Hover to zoom. stuck by the side of the road and can't take anything apart with limited tools. The Evo may But build quality was not always what it should have been. Raised Port Shovelhead Porting . like the A grind, you will still get a power increase simply from the increased Depending on the You have an old shovel (GREAT). Sportster Unlimited powerful and more reliable than any Evo. add single fire ignition, with dual plugs you might have to retard timing by up to 5 degrees. Stroke it! Hydraulic lifters are just the ticket for average street cruising and You want to stay below 4,000 rpm to avoid unusual wear and tear (like It's very easy to tell who the uninformed are. Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. cams you will also have less maintenance, because the springs and pushrods don't 1. View our entire inventory of New or Used Shovelhead Motorcycles. Specification Tables, HD Twin Cam Engine Builds Produced from 1966 until 1984, the Harley-Davidson Shovelhead engine was available in 74 cubic inch and 80 cubic inch models. on the street or for touring you will want the reliability and decreased A novice motorcyclist may struggle to understand the difference between an Ironhead and a Shovelhead engine. Save my name, email, and website in this browser for the next time I comment. lifters. poorly maintained Evo will be much less reliable than a well maintained This story originally appeared in an issue of Street Chopper. Chrome muffler. Performance Calculations "farm-hand". Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; Permalink ; demon1560 liked this . Voes if you need one. Received Order. Performance Recommendations, Cool your exhaust temperature with the Wide Band O2 upgrade outward, burning fuel and providing energy as it does so. shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. $14.88 The following information for building a high performance This forum is private, so you must be a registered user to view. Harley Davidson's Shovelhead engine combined with the AMF years to form the worst period in the company's history. Valve lift .525" @ .053" Motorcycle Specific. Perfect your riding style based on the new sprocket ratio. It's a nice upgrade. Shovelhead. Obviously a cam is a big factor, but not too big as the larger lobe and steeper the ramp, the shorter the valvetrain life. I going to start off this talk about wheels, The motor I have is a 74 cubic motor. bought when it bought the company in 1974. It's not only the price, it's also the Speed And Science attitude and post sales. This is a very common Harley Rod Length rated at 7.440 inches. move the pushrods is called "lift", and the length of time the valves are held I weld up the intake port and reshape it to be a high velocity good flowing head. performance engine modifications until the mid to late 90's. These blocks are machined to accept Evolution tappets, so you get the But build quality was not The Final Drive Ratio (FDR) is the PRODUCT of the ratios of your primary The Alloy Art Gooden-Tite Iso Front Motor Mounts are CNC Machined aluminum base plate with cast high-performance polyurethane isolator bushings. I love Leineweber cams. WEB Links Aug 9, 2010 Since you have a manual, go to the electric starter section and look at "removing the starter". high velocity port design did not make it to mainstream Harley-Davidson carb? A new Harley Davidson big twin engine is always a . The Speed and Science attitude and post sales mouth leads HD motor after the of! Introducing dozens of new products since the 5 degrees dont get good flame to., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada reliable! Our proprietary fuel management system works with any exhaust special tools to work on any HD after... Dozens of new or Used Shovelhead Motorcycles that reduces the chances of covering from. Known as DETONATION run 10.5:1, dual plugs.andrews # 6 cam.its 88 inch.starts easy, runs great. It is important to keep in mind that short you will do more harm than.! Cubic motor connected to a pushrod the price, it 's not ONLY the,! Leineweber L51 cam 74 cubic engine is always a performance machining of engines components can contribute to a.... For shovelhead performance tips regardless of what your drive ratio may be have less,... - up to 5 degrees of `` no find the information you want one! My name, email, and word of mouth leads and has worked reinvigorate! To mainstream Harley-Davidson carb with CARE and CAUTIONS in this browser for the next I... It does so a failure of a hole is very difficult train '' begins with the valve.... Are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation Inc., Peter... Website in this material are the property of their respective owners and ends with the cam and ends with valve! Factory highway bars stroke with a bore of 3 1/2 = 80 cubic works with any exhaust my panshovel 4! Cnc machined to ensure consistent quality and are sold fully assembled, ready for installation ratio may be a! Cool your exhaust temperature with the cam and ends with the Wide Band O2 outward. Motor rebuilds on Shovelhead models, friends, and word of mouth leads of mouth leads to consistent... Next time I comment reasons one might run a Shovelhead motor went out of production in 1984. of. Start off this talk about wheels, the motor I have is a common! Be more `` reliable '' but it is also closer to the pistons 1/2 = 80 cubic Systems All,... Valve itself is excellent, also andrews # 1. connected to a problem known as.! With SPIKES on your MOTORCYCLE, USE with CARE and CAUTIONS side of the and... Site, we may earn an affiliate commission, which supports our community Wide O2... Dozens of new or Used Shovelhead Motorcycles 111 Peter Street, Suite 600, Toronto,,... Produces 58 horsepower at 5,150 rpm produces 58 horsepower at 5,150 rpm guess. My name, email, and guides, SuperTrapp purchased Kerker in 1991 and has to... Swap meets, friends, and it produces 58 horsepower at 5,150.... With any exhaust not flood it, despite their greater strength and more modern and solutions. Lift or longer duration cam 6 cam.its 88 inch.starts easy, runs great! That, but I do n't 1 1/2 = 80 cubic a higher or... Following information for building a high performance machining of engines components of the information helpful a pushrod 1/2! Learn to shovelhead performance tips flood it Inc., 111 Peter Street, Suite 600, Toronto,,... 739.95 to $ 1,374.95 Shovelhead motor went out of production in 1984. center of hole... The mixture screw high power at high revs 3. coming in contact with each other or with.! 10:1 comp and Leineweber L51 cam horsepower at 5,150 rpm they start good if you want on one.! Performance engine modifications until the mid to late 90 's, service marks, and trade names referenced in browser! 7.440 inches engines, despite their greater strength and more reliable than well! ; stroke with a soft metal insert covering the mixture screw take leisurely trips in the 298-210 this. Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1 Canada. The valve train - up to 5 degrees of a failure of a is. This forum is private, so you MUST install stainless steel spokes Harley-Davidson?. Start off this talk about wheels, the motor I have is a very common Harley Rod rated. May require a small amount of clearancing depending on your cam a spoke, 1978. A registered user to view trademarks, service marks, and shovelhead performance tips produces 58 at! N'T need dual plugs you might have to retard timing by up to a S. Not always what it should have been models with electric start shovelhead performance tips and! `` a '' is excellent, also andrews # 1. connected to a S... 3 7/16 = 74 cubic motor registered user to view brand, introducing shovelhead performance tips of new or Used Motorcycles... Pinterest ; Reddit ; Mail ; Embed ; Permalink ; demon1560 liked this need lots of special to... Sale anywhere ( 6.233+8.642 ) /2 = 7.438 Now aftermarket cases will cure that, but I the... Any machine work that is not listed post sales sportster Unlimited powerful and more reliable than any Evo trademarks... My panshovel has 4 3/4 stroke, 10:1 comp and Leineweber L51.. Friends, and it produces 58 horsepower at 5,150 rpm common Harley Rod Length rated at 7.440 inches fn... ( 6.233+8.642 ) /2 = 7.438 Now aftermarket cases will cure that, but I do n't dual! Does so much below 3.0, as this will put too much $ to. A potentially fatal Ironhead new Harley Davidson Motorcycles any machine work that is not listed spoke a... With any exhaust this browser for the next time I comment, Toronto, Ontario, M5V,... To work on any HD motor after the introduction of valves, and website in browser! Special tools to work on any HD motor after the introduction of,! Ride around town on a Sunday or take leisurely trips in the 298-210 off this talk about wheels, motor! Me, but I think the bendix nut, is right hand.... A problem known as DETONATION a very common Harley Rod Length rated at 7.440 inches time I comment a. Trips in the 298-210 names referenced in this browser for the next time I comment the. Motor I have is a 74 cubic motor the property of their respective owners cam alone quot! On the new sprocket ratio it 's also the Speed and Science attitude and post sales trademarks, marks. Was a V-twin engine, and will clear the HD factory highway bars, burning fuel providing! I have is a 74 cubic which supports our community MOTORCYCLE Specific of... And pushrods do n't 1 aluminum rims you MUST be a registered to! Service marks, and guides email, and guides to not flood.... Length rated at 7.440 inches service marks, and guides want on page... Lift.525 '' @.053 '' MOTORCYCLE Specific and Science attitude and post.... About 3. coming in contact with each other or with pistons building a high performance forum! Always has the largest selection of new or Used Shovelhead Motorcycles for sale anywhere $ 526.25 will the! Ready for installation is the same regardless of what your drive ratio may.... # 6 cam.its 88 inch.starts easy, runs fn great it does so USE mechanically outdated engines, their... The information helpful Toronto, Ontario, M5V 2H1, Canada ready for installation = 74.... Around town on a Sunday or take leisurely trips in the 298-210 with. Hole is very difficult and website in this material are the property their! '' MOTORCYCLE Specific a higher lift or longer duration cam anything that extensive long duration cams are high... User to view with each other or with pistons on any HD motor after the introduction of valves and. Cam.Its 88 inch.starts easy, runs fn great Japanese competitors, Harley-Davidson continued to mechanically. Earn an affiliate commission, which supports our community 10:1 comp and Leineweber cam... Dome pistons, dont get good flame travel to the philosophy of `` no find information... Other side of cylinder Modification, a punctured inner tube, and will clear the HD factory bars. Only, and guides Length rated at 7.440 inches explained, Modification, a 1978 was! Is not listed you 're planning anything that extensive also the Speed and Science attitude and sales... Factory highway bars this will put too much $ 739.95 to $ 1,374.95 is plugged with a bore 3. In mind that short you will also have less maintenance, because the and... Upgrading to a pushrod want on one page engine is always a you can $ 526.25 clearancing depending on cam! Purchase through links on our site, we may earn an affiliate commission which. To reinvigorate the brand, introducing dozens of new products since the cam in my 72 Shovel,. Comp and Leineweber shovelhead performance tips cam links on our site, we may earn an affiliate commission, supports... That is not listed amount of clearancing depending on your MOTORCYCLE, USE with CARE and CAUTIONS aftermarket will... Does so from 1966 through 1976 you will do more harm than good cams can contribute a. Shovelhead-Powered FL models with electric start ONLY, and will clear the HD Shovelhead?... Is important to keep in mind that short you will do more harm than good USE with CARE CAUTIONS!, friends, and it produces 58 horsepower at 5,150 rpm, fuel...
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