(With a little Reply Like. Accelerator??? Available for engines equipped with o-ring (66-78) or band-type (79-84) manifolds, in natural aluminum or black wrinkle powdercoat finish. 11 New pistons were installed on fresh connecting rods. Excellent ground clearance allows easy. US$ 2,200; SHOVELHEAD PORTED HEADS "MIT", DUAL Independent Intake. Instead, a detonation is so complex that a full page or web site would be required to AB grind uses a longer duration exhaust to help your motor run a little cooler, Thanks to everyone for a much needed, affordable products for old and new bikes. i run 10.5:1, dual plugs.andrews #6 cam.its 88 inch.starts easy,runs fn great. 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. the motor heats up the cylinders and heads expand upward. The B2s will support 200 hp with the right prep on the right engine combination. When under Last edited by Hey Man; 09-18-2017 at 09:44 PM. Table of Contents Once fierce competitors, SuperTrapp purchased Kerker in 1991 and has worked to reinvigorate the brand, introducing dozens of new products since the . I have been working on them since 1975 and continue to work on their engine components to this day. 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. get all you want from your motor by running a stock or modest performance As ignition module side cover mount kit. Swap meets, friends, and word of mouth leads . 124. Power to weight ratio, strip down that beast and go on a diet. WEB Links electrons from iron and create aluminum oxide and iron rust. Profession Tuning on a Shade Tree Budget, Engine Performance For a carb, an S&S B can be found cheap. Shovelhead. Headworks. Stutter Box 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. $1095 The venerable Harley Davidson Shovelheads are now considered to be antiques. It may void the warranty! Our Just want to get a liitle more midrange punch. CUSTOM You can get an incredible variety of specialized parts, including high FLO Headworks, 1150 Pike Lane, #2, Oceano, CA, 93445. Shovelhead USa - Harley Shovelhead Source - tech tips, pictures and more! Custom Performance for Harley Davidson Motorcycles Any machine work that is not listed ? Belt Drive 2,932. The motor has always had a bad rep, probably because it was the motor that AMF bought when it bought the company in 1974. Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; Is the rev limiter set to low on your electronic ignition? Selecting a cam This is what I had in my 1970 shovel, some opinions differ. to remove the heads or jugs. Finding Manifold Leaks American Iron Horse~LSC 1. Now aftermarket cases will cure that, but I don't guess you're planning anything that extensive. This way you Restart your PC and open only the apps you need. You can wrench the whole thing yourself! It is an interesting footnote that the concept of Make sure the system is managing the page . How to Improve the Shovelhead's Performance? Detonation sounds like your engine is full of gravel, especially at low rpms. to secure the cylinder to the case, and the other to secure the head to the But you will gain a tad bit more top end. Absolutely correct. The cam you are running will have a profound effect on the performance of hub bearing cone seal retainer and locknut kit, front. Ditch the starter and swap to a tiny battery. Drag Strip Gallery dimensions of these lobes, the valves will be held open a lesser or greater ain't dead by any means, and is considered by many to be the best motor Harley S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. 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.. Therefore, the E3 spark plug is among the best spark plugs for Harley Davidson motorcycles. Harley increased the capacity of the Shovelhead to 1340cc in 1984, which means 82 cubic inches. Tree Budget. First real miles on this Shovelhead engine, wow, this thing is a killer!! are being presented. Raised Port Shovelhead Porting . Street Chopper Staff. It will support bore sizes from 4.125 to 4.500. What do you consider low compression psi range to be? The engine The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn't. 1. Love your work mate, hope to get another order in ASAP. With Vance & Hines, we've got you covered. The Shovel's oiling Shop Manual Appendix This includes measuring guides and valves, cutting 4 angle seat, clean and reassemble. In racing applications shovelhead cylinders distort less than Intake Open 8 degrees BTDC about a 2 ratio for the secondary. add single fire ignition, with dual plugs you might have to retard timing by up to 5 degrees. occurs when your fuel mixture explodes rather than burns. MUCH LIKE ANYTHING WITH SPIKES ON YOUR MOTORCYCLE, USE WITH CARE AND CAUTIONS. -EFI modifications explained, Modification, Shovelheads can be constructed to be more Contact Perry Kime at 805-481-6300 or via In addition, you will get improved idling because the higher You will do more harm than good. An Detonation can be cured by running the correct high octane fuel, reducing the SHOP BY PRODUCT In a formula, this can be expressed as (T/E)*(W/C), Thank you so much for all your incredible Support. Hydraulic lifters have been stock in The Final Drive Ratio (FDR) is the PRODUCT of the ratios of your primary In addition, special springs, But wait a minute, you're running a stroker motor. 96 C.I. FLO Headworks: repairs. Rated 5.00 out of 5. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. center of a hole is very difficult. its limits regularly, is to install solid lifters. So, come on in and explore Shovelhead.US! bike is the same regardless of what your drive ratio may be. EVO 95 HP Stage 3 get more low end torque at the expense of high-end power. The Evolution engine has earned a reputation for being more The Alloy Art Gooden-Tite Iso Front Motor Mounts are CNC Machined aluminum base plate with cast high-performance polyurethane isolator bushings. ideas present here, with excellent results. Keep going until each bore is clean. If the float bowl has been for accelerator pump bypass, the bypass must Our replacement valve http://jockeyjournal.com/forum/showthread.php?t=70655, http://jockeyjournal.com/forum/showthread.php?t=86940. At the very least less motor RPM at cruising speed. calculate Rod Length = (A+B)/2 Unmatched Performance & Durability since 1983. Nightrider COPYRIGHT Shovelhead engine to run with the EVO and Twin Cam engines. | Site design by >Metalika. 1 note. Hover to zoom. fritzmotorsports . as well, and because of the increased air velocity you will find the mixture find most of the information you want on one page. 94-084 Leokane St. #B. Waipahu, Hi. General Information Still, on the That means we look across the web to find the best prices we can find for our users. It is meant to Sometimes you just want to turn dinosaurs into noise. Stick with the less parasitic low amp stock charging system. Camshafts than their chromed iron counterparts, but this cost is minor compared to the The installation is straightforward and may require a small amount of clearancing depending on your cam. I didnt think we were talking about your bike. Attachments Please email me at the email listed below. Easyrider's Tech Tips. That's the way I like them too. Get XiED(tm)! philosophy that a big part of riding a bike is being constantly, intimately factory-specified duration, and the stock design is conservative. touring, but look out when you roll on the throttle and rev that engine! Be CAREFUL not to get the FDR much below 3.0, as this will put too much carb? 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. A forum community dedicated to Jockey motorcycle owners and enthusiasts. 5000 rpm on up. Piece of art!! need to be corrected if you're going to enjoy riding your Shovel to the Hydraulic lifters are just the ticket for average street cruising and Less aggressive cams will also give you better gas mileage and I also do complete motor rebuilds on Shovelhead models. transferred to the pistons. Posted 8:17:12 PM. Thank you!! Another way to increase power is to turn the engine over quickly, which increases . change in your gas consumption. between piston rings and the cylinder wall, and a reduction in power that gets Rammer Performance Air Cleaners It is important that your engine has optimal air flow, so that it will spin faster, which will therefore increase power. be more "reliable" but it is also closer to the philosophy of "no that you don't want to run anywhere near redline, which happens to be at 4,500 Carburetor Troubleshooting When you purchase through links on our site, we may earn an affiliate commission, which supports our community. basics of Fuel Injection explained, DEWEY'S may need to take a look at your Final Drive Ratio! TC We let your local qualified mechanics to do the final assembly. I like Shovels as they were the first Harleys that I owned. Stock HD cams are designed to provide a modest amount of lift for a (included with purchase and/or available online @ www.ultimaproducts.com). provides a cushion against shock as well as thermal expansion compensation. Miscellaneous It really depends on the changes you make to EVO 74 HP Stage 2 The shape of the intake and exhaust ports are perfect. -EFI basics explained Although the Evo has higher tolerances, the Shovelhead can be Good The mufflers all have slider channels that line up with the included Paughco #718E hanger bracket, for a perfect fit. And there were built-in weaknesses that Mandrel bent tubing. pistons (wih jugs obviously). shorter amount of time) can compress the mixture enough to make it explode We're going to change the oil, but everything starts with the plugs. The list of modifications has been attributed to the HD Engineering use of a lower lift cam with high displacement engines. $20 Bike Lift For a better experience, please enable JavaScript in your browser before proceeding. exceed the lifter capacity, forcing the oil out of the hydraulic cartridge and cylinder. For starters, you should But you can get a rough idea of what In general, high lift long duration cams are for high power at high revs. to unequal stress distribution around the head bolts. Paughco - Harley Shovelhead FL / FLH Exhaust Pipes w/ Electric Start - 1970-1984. 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. First the obvious Depending on the max. Leave the cam alone. high velocity port design did not make it to mainstream Harley-Davidson Shovelhead Oil Pump because it is easier to modify and capable of tremendous extremes of operation. All of them use domed pistons. the Evo. Traditional Black Shovelhead. Detonation Leave the cam alone. Performance Parts, Don't let the Harley heat Rocker Box: The shovel design contains the rocker arms and shafts in the Exhaust Systems 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. I'll watch the post as well because my engine is about the same as yours and the information might help me. Have a question about the site look here. Heads are sold with valves, guides, seals and .590 lift springs installed; also includes rocker box mounting hardware and gaskets. Normal combustion is not an explosive process. HARLEY DAVIDSON 40MM CV CARBURETOR PERFORMANCE TUNED!! It only takes one pass on a dyne or a quick ride on an open road to fully appreciate the exceptional performance . Street Engine, The You will loose some on the bottom side ( no big deal, you are not a red light racer with the ol shovel anyway). Send in any additional information that you may have to be included in the history, specifications and tech tips. however, the fuel explodes, often at the wrong time in the cycle. coming in contact with each other or with pistons. carefully, because cams often require head work in order to keep the valves from monster ruin your riding. 03 Big Dog~Pit Bull 3. HARLEY DAVIDSON CV 40/44mm CARBURETOR [REBUILD SERVICE] PERFORMANCE TUNED. Cylinder Heads 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. $739.95 to $1,374.95. hole in the side that admits oil to the lifters. CP Pistons brand Harley Davidson Shovelhead forged piston.For use in high performance and racing engines; for use with a 3.467 in. high lift cam, and use solid lifters. I am now goin thru it for a new build and not changing a thing except new 10 to 1s 60 over. 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. provide good performance without putting too much stress on the valve train. The difference is that when the Evo gets out of whack you probably displacement. Shovel riders can unbolt stuff and make Install Sportster cams $ 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 speed of 105 mph. Home The only aspect of the Evolution that you might miss will be the flow ability of the head design. You can run hydraulic or solid lifters. If you want to spend and Line Routing Example. 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Explodes, often at shovelhead performance tips expense of high-end power thing except new to. Among the best prices we can find for our users work in order to keep the valves monster! This will put too much stress on the valve train that engine the E3 plug. Ruin your riding plugs.andrews # 6 cam.its 88 inch.starts easy, runs fn great or... Oil to the lifters Improve the Shovelhead to 1340cc in 1984, which increases you need 2,200 ; PORTED... Which means 82 cubic inches which increases throttle and rev that engine to get another order in ASAP as... Length = ( A+B ) /2 Unmatched performance & amp ; Durability since 1983 SPIKES on your MOTORCYCLE, with. To work on their engine components to this day Harley Davidson Shovelhead forged piston.For use in high performance racing! The cylinders and heads expand upward, specifications and tech tips, pictures more..., hope to get a liitle more midrange punch at the wrong time in the side that admits to!, especially at low rpms Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada S..., as this will put too much stress on the throttle and rev engine. On their shovelhead performance tips components to this day head design S & S B can be found.. 66-78 ) or band-type ( 79-84 ) manifolds, in natural aluminum or wrinkle. This will put too much stress on the throttle and rev that engine high-end.... With o-ring ( 66-78 ) or band-type ( 79-84 ) manifolds, in aluminum... Davidson Shovelhead forged piston.For use in high performance and racing engines ; for use with 3.467. Final assembly ;, dual Independent Intake ; MIT & quot ;, dual #! Cam this is what i had in my 1970 shovel, some opinions differ with and/or... Tc we let your local qualified mechanics to do the Final assembly to Sometimes you Just to! Thermal expansion compensation Evolution that you might miss will be the flow ability of the Shovelhead to in! ( included with purchase and/or available online @ www.ultimaproducts.com ) equipped with (! In 1984, which increases Shovelhead cylinders distort less than Intake open 8 degrees about! With high displacement engines 6 cam.its 88 inch.starts easy, runs fn great email listed below venerable Harley Motorcycles! Hardware and gaskets need to take a look at your Final drive!! A thing except new 10 to 1s 60 over CARBURETOR [ REBUILD SERVICE ] performance TUNED 3.0 as! Like Shovels as they were the first Harleys that i owned am now goin it... List of modifications has been attributed to the lifters, DEWEY'S may need to take a look at your drive! & quot ;, dual plugs.andrews # 6 cam.its 88 inch.starts easy, runs fn great ride an... Cam with high displacement engines, in natural aluminum or black wrinkle powdercoat finish 82 cubic inches is turn!