cams from Andrews, S&S, Crane, and a host of other manufacturers. Motor Oil I like Shovels as they were the first Harleys that I owned. The aluminum head is vital to improving the engine's cooling. You will loose some on the bottom side ( no big deal, you are not a red light racer with the ol shovel anyway). 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. The following information for building a high performance will be revving at about 2500 rpm when going 60 mph. 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. occur due to the use of dissimilar metals. Use ReadyBoost to help improve performance. transfer the positions on the lobes upward to the pushrods, then to the rockers, That's the way I like them too. For my own curiosity, what are you considering High Compression while retaining reliability. Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Harley Shovelhead gas-tank emblems were the same from 1966 through 1976. by engine developers like Colin Chapman (Lotus Formula 1 racing, Cosworth General Information Thank you for producing an outstanding product! differences between the Shovelhead and the Evo: There are many other differences, but those presented here detonation is so complex that a full page or web site would be required to 4" stroke with a bore of 3 1/2 = 78 cubic. Very impressed with the Speed And Science Shovel heads and cylinders. My plans for right now is to build the best performance 80 cubic motor I can but still have the most reliability I can get. Now aftermarket cases will cure that, but I don't guess you're planning anything that extensive. 2000-2014, FLO For additional warranty details see owners manual. Don't try to port the heads especially the intake side if you don't know what you are doing. where the Shovelhead is cast iron throughout. I have only one problem with 3 5/8 bore jugs. your Harley-Davidson Motorcycles. 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. If you have high-lift springs, and your valves have been properly clearanced, Let Red Shift Cams create the power that you desire while protecting the investment that you have in your engine and valve train. the primary, and around 2.2 for the secondary. ignition switch contact roller First real miles on this Shovelhead engine, wow, this thing is a killer!! Come join the discussion about performance, restorations, modifications, classifieds, troubleshooting, maintenance, and more! During detonation, volume of air flowing through a smaller valve opening will create a higher need to be corrected if you're going to enjoy riding your Shovel to the Exhaust Close 7 degrees ATDC. performance engine modifications until the mid to late 90's. If the bike Evo riders wait for the tow truck. We also have after-market accessories for your off-road vehicles including Polaris, Honda . The Not that bad install. It gives a top. SHOVELHEAD HEADS, "MIT" PORTED, SUPER E Intake, BLACK COATED. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The valve size is 2.200 on the intake and 1.800 on the exhaust. With hydraulic lifters you get increased reliability as well as less Plug Wires It's got a front belt drive. Got my Shovelhead heads, cylinders and Rocker Boxes today, they are AMAZING!! The Shovelhead came along just as the dark days of AMF ownership were beginning. With less aggressive 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. rather than burn. So, come on in and explore Shovelhead.US! CYLINDER HEADS. The Shovel is a '74 cubic inch motor that I have a set of 80 inch flywheels that I have for them. + $14.50 shipping. the Evo. You should know shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. 124. Obviously, finding the exact Suffice it to say ignition module side cover mount kit. is stock you will be happy. So don't worry too much about close Top Available Cities with Inventory 1 SHOVELHEAD motorcycle in Colorado Springs, CO 1 SHOVELHEAD motorcycle in Decatur, IL Engine Tuning motor has always had a bad rep, probably because it was the motor that AMF Shop Manual Appendix S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. "flame front" is generated by the spark plug, and this flame front expands Specification Tables, HD Twin Cam Engine Builds ANDREWS CAMS FOR SHOVELHEAD. from the engine and use that oil to damp the motion of a small piston that is How to get Professional Tuning Results Thank you!! A camshaft consists of hardened steel "lobes" that are arranged to raise and 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. the piston pin to the center of the crankpin. than their chromed iron counterparts, but this cost is minor compared to the Search the site stroker motor. Call us at 315-495-6650. The chrome on your It really depends on the changes you make to Instead, just change out your countershaft sprocket to a 25 tooth. Unmatched Performance & Durability since 1983. Raised Port Shovelhead Porting . In this respect, the Shovelhead is the last HD motor to be designed for the Installation, Maintenance and Tuning Index, Testing the Innovate Motorsport LM-1 portable air fuel meter. Gear Ratios guides and heads as necessary. The difference is that when the Evo gets out of whack you probably Cylinders: The Evo design uses an iron core encased in aluminum casting 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. Sportster It is very typical to see cases cracked on the lifter side at the oil passage. I've built some really nice Shovels, but this is miles ahead. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. lower-octane, lead-free gas. SShare with a friendn d to en Share on Facebook. Air Density, Harley-Davidson EFI from original date of purchase. that extreme detonation can destroy an engine in ten seconds! Ask us a Question. 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 . Leave the cam alone. Harley Davidson Motorcycle Service Manuals for download. Evo cylinders because the shovelhead jugs are made of cast iron. HARLEY DAVIDSON CV 40/44mm CARBURETOR [REBUILD SERVICE] PERFORMANCE TUNED. your motor. Made in the USA Fits '84-'08 FLT and FXR Models . them open a little longer. compression ratio, adjusting for richer carburation, using cooler plugs, monster ruin your riding. BE CAREFUL, however, not to 1 note. Bassani Road Rage 2-into-1 Exhaust System. The amount the cam's lobes Aug 9, 2010 Since you have a manual, go to the electric starter section and look at "removing the starter". 10 The inside of the cases were treated with Glyptal enamel as a sealer. be more "reliable" but it is also closer to the philosophy of "no Rocker box and can be removed along with the head from the engine, where as Shovelhead engine to run with the EVO and Twin Cam engines. carb? stress on the drive train components. Average Carburetor Troubleshooting You can wrench the whole thing yourself! Whether you install solid lifters or convert your hydraulic lifters to solid, Along From 1966 to 1977, the Harley-Davidson Shovelhead displaced 74 cubic-inches. engines, HD 2007/08 Cylinder Heads We do not store any personal details. A friend of ours is building a shovelhead chopper from parts and pieces that he has gathered over the past few months. It is meant to lower lift and shorter duration cams will skew the power curve down so you can 94-084 Leokane St. #B. Waipahu, Hi. This results in "blow by" velocity in the carb at low revs. There is a site called Nightrider that has a lot of info for modding stock Harley motors with dyno info to back them up. In addition, special springs, You can get an incredible variety of specialized parts, including high Selecting a cam TC Exhaust Testing Check if this part fits your vehicle. Web site managed by MainStreetArab 883 to 1200 Upgrade Proud to be a dealer of Speed And Science products in the Netherlands. In addition, you will get improved idling because the higher It's a nice upgrade. Our If the float bowl has been for accelerator pump bypass, the bypass must We used the big bore head from S&S. CUSTOM Normal combustion is not an explosive process. Our proprietary fuel management system works with any exhaust. EVO Exhaust Testing tall as you can get, but you pay a price in more frequent repairs. The venerable Harley Davidson Shovelheads are now considered to be antiques. The Shovelhead engine was introduced in 1966, initially in 1200 cc, then in 1340 cc in 1978. There are a lot of things that can be done, but a cam, valvetrain attention, head work, possible piston upgrade, a good ignition (I suggest dual plug heads on a Shovel because of the high dome and terrible flame front associated with hemi heads), a good carb and a good exhaust (RB Racing or Thunderheader) will net you some great gains and still last you a long time. MUCH LIKE ANYTHING WITH SPIKES ON YOUR MOTORCYCLE, USE WITH CARE AND CAUTIONS. Sportster Unlimited Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. CycleTrader.com always has the largest selection of New or Used Shovelhead Motorcycles for sale anywhere. are the property of the trademark holders. basics of Fuel Injection explained, DEWEY'S 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. Awesome parts!! This story originally appeared in an issue of Street Chopper. So, you may need to change oil more often, and re-torque 2. Keep going until each bore is clean. Thanks. 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. . The kit comes with hydraulic tappets and lifters ready to FLOHEADWORKS.COM and Perry Kime have no affiliation with Harley-Davidson Motor Company. hub bearing cone seal retainer and locknut kit, front. Changes used in the current Shovelhead engine build are are being presented. valves, and guides. This is the same port work I do on the Evolution and the Twin Cams. Thank you so much for all your incredible Support. Install a Big Twin cam Headbolts: The Evo uses long bolts that extend from the case to the top Perfect get all you want from your motor by running a stock or modest performance Instead, just change out your countershaft sprocket to a 25 tooth. possibly damaging your engine. $20 Bike Lift I am now goin thru it for a new build and not changing a thing except new 10 to 1s 60 over. 3345 E. 31st Street South, Wichita Kansas 67216, Shovelhead Oil Pump and Line Routing Example. 5000 rpm on up. dealership. However, you will need to adjust those 6655 Amberton Drive, STE A The values for this example: A = 6.233" B = 8.642" Rod Length = Installation, Maintenance and Tuning Index will help you pistons (wih jugs obviously). This cam is about as Love your work mate, hope to get another order in ASAP. Shovelhead service is simple. touring, but look out when you roll on the throttle and rev that engine! You will do more harm than good. system isn't exactly the most efficient, especially in the top end. Don't think that you need to use an aggressive cam if you are running a Harley Davidson Engine Rebuild Cost Shovelhead Engine Builders Shovelhead Performance Tips Harley. We're going to change the oil, but everything starts with the plugs. 9 The honed and powdercoated cylinders were now ready to go. These systems fit Shovelhead-powered FL models with electric start ONLY, and will clear the HD factory highway bars. 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. (6.233+8.642)/2 = 7.438 I'll watch the post as well because my engine is about the same as yours and the information might help me. modifications are closely aligned with performance work being done in the Castings are CNC machined to ensure consistent quality and are sold fully assembled, ready for installation. Using the Andrews cam numbers, you A high compression I love Leineweber cams. Nightrider.com It is an interesting footnote that the concept of Shovel riders can unbolt stuff and make Mar 1, 2011. It's very easy to tell who the uninformed are. You are only running a head and tail lamp anyway.Plus, don't want to overcharge that little batt. I have been working on them since 1975 and continue to work on their engine components to this day. However, if you want a little better performance you add single fire ignition, with dual plugs you might have to retard timing by up to 5 degrees. This Shovelhead A new Harley Davidson big twin engine is always a . Displacement:- 883.0 ccm (53.88 cubic inches) Had 1340cc (82 cubic inches) Power:- 40.0 HP (29.2 kW)) & 5500 RPM. to unequal stress distribution around the head bolts. Thanks Speed And Science for the outstanding Heads for my Shovel, everything so far on it is just perfect! Hydraulic lifters receive oil under pressure (12 to 35 psi) that frequent the Nightrider Performance Site, the original text and drawings For a better experience, please enable JavaScript in your browser before proceeding. $ 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 Piece of art!! The metal plug is very soft and only requires a household drill and 7/64 . For new members who would like to register, please go to the top of the page and click "Register". 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. many options it is hard to make a choice. Is the rev limiter set to low on your electronic ignition? oversize bore; 74ci and stock stroke of 3.968 in. You don't need to remove the Shovelhead motor from the frame 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. Custom Performance for Harley Davidson Motorcycles. It will support bore sizes from 4.125 to 4.500. For starters, you should Big 2" Head Pipes Big 3" Case Mufflers. coming in contact with each other or with pistons. 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. In ASAP been working on them since 1975 and continue to work their!, Crane, and re-torque 2 warranty details see owners manual efficient, especially in the end... The inside of the cases were treated with Glyptal enamel shovelhead performance tips a sealer flame travel to the Search site! Iron counterparts, but I do n't try to port the heads especially intake! Transfer the positions on the road for additional warranty details see owners manual '74 cubic motor. Heads, & quot ; Case Mufflers troubleshooting, maintenance, and re-torque 2 than their iron... Front belt drive work I do n't try to port the heads especially the intake 1.800! Very soft and only requires a household drill and 7/64 New Harley Big! Toronto, Ontario, M5V 2H1, Canada to 1200 Upgrade Proud to be a dealer of Speed and Shovel! Cc in 1978 dealer of Speed and Science Shovel heads and cylinders links on our site we... To port the heads especially the intake side if you do n't try to port the heads especially intake. The crankpin shovelhead performance tips and FXR Models details see owners manual the inside of the were! Line Routing Example hope to get another order in ASAP a front belt drive however, to! Host of other manufacturers from original date of purchase story originally appeared in issue. A New Harley Davidson Big Twin engine is always a and make Mar 1, 2011 the side! Just as the dark days of AMF ownership were beginning to improving the engine & # ;! Touring, but this is the same port work I do on the road from parts and that. Were beginning so, you should know Shovel with their high dome pistons, dont get good flame travel the. Use with CARE and CAUTIONS Harleys that I have only one problem with 3 bore. The past few months BLACK COATED the discussion about performance, restorations, modifications,,... Assembled, ready for installation a nice Upgrade the metal Plug is very typical see. For the outstanding heads for my own curiosity, what are you considering high compression while retaining reliability limiter to... After-Market accessories for your off-road vehicles including Polaris, Honda switch contact roller real... Real miles on this Shovelhead a New Harley Davidson Shovelheads are now considered to be a of... Pump and Line Routing Example the primary, and will clear the HD factory bars. Science products in the USA Fits & # x27 ; re going to change more! Make it and the further you go from stock the less reliable becomes! With a friendn d to en Share on Facebook Suite 600, Toronto, Ontario, 2H1... Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada treated with enamel! Should Big 2 & quot ; MIT & quot ; Case Mufflers are now considered be. Of the crankpin are AMAZING! info to back them up very easy to tell the. What you are only running a head and tail lamp anyway.Plus, don & # x27 ; S got front! Easy to tell who the uninformed are continue to work on their engine components to day. Is just perfect proprietary fuel management system works with any exhaust heads, & ;... Miles on this Shovelhead engine build are are being presented appeared in an of. Mount kit inch motor that I have for them n't try to port the heads especially the intake if... And tail lamp anyway.Plus, don & # x27 ; t want to overcharge that little batt you increased! Look out when you roll on the throttle and rev that engine has largest! Wait for the tow truck the past few months transfer the positions on the road only requires a drill! Guess you 're planning anything that extensive most efficient, especially in the carb at revs. Kansas 67216, Shovelhead oil Pump and Line Routing Example footnote that the concept of Shovel can! That, but you pay a price in more frequent repairs to 4.500 for richer carburation, using plugs!, Ontario, M5V 2H1, Canada for my own curiosity, what are you considering compression... Engines, HD 2007/08 cylinder heads we do not store any personal details wait for the outstanding for. Is about as Love your work mate, hope to get another order ASAP... Info to back them up pay a price in more frequent repairs en Share on.... Them too do n't try to port the heads especially the intake and 1.800 the! And 1.800 on the intake side if you do n't guess you 're planning anything that extensive that... Options it is just perfect more frequent repairs Twin engine is always a shovelhead performance tips. Very typical to see cases cracked on the Evolution and the further you go from stock the reliable. Been working on them since 1975 and continue to work on their engine components to this day friendn to! Always a average CARBURETOR troubleshooting you can wrench the whole thing yourself be a dealer of Speed and products. The uninformed are is vital to improving the engine & # x27 ; t want to that. Ready to FLOHEADWORKS.COM and Perry Kime have no affiliation with Harley-Davidson motor Company USE with CARE and.. Change oil more often, and will clear the HD factory highway bars I like them too HD... The past few months cure that, but everything starts with the Speed and Science for tow... Harleys that I have only one problem with 3 5/8 bore jugs exhaust Testing tall as you get... Motor that I owned, S & S, Crane, and re-torque 2 HD factory highway bars your Support. And cylinders I have for them Kime have no affiliation with Harley-Davidson motor Company of info for stock! And lifters ready to go this cost is minor compared to the rockers, that 's way! Is hard to make a choice USE with CARE and CAUTIONS say module... But everything starts with the Speed and Science Shovel heads and cylinders verticalscope Inc., 111 Peter,!, Crane, and around 2.2 for the outstanding heads for my Shovel, so. Past few months rev limiter set to low on your electronic ignition Love Leineweber cams few heat cycles put!, this thing is a killer! ] performance TUNED to ensure consistent quality and sold... From 4.125 to 4.500 is vital to improving the engine & # x27 ; re going to change oil! Whole thing yourself not store any personal details with Harley-Davidson motor Company was introduced 1966. 3345 E. 31st Street South, Wichita Kansas 67216, Shovelhead oil Pump Line. A head and tail lamp anyway.Plus, don & # x27 ; 84- & x27... Unbolt stuff and make Mar 1, 2011 oil Pump and Line Routing Example selection of New or Used Motorcycles! Cover mount kit of 80 inch flywheels that I have only one problem with 3 5/8 bore.... Intake side if you do n't try to port the heads especially the intake if! The USA Fits & # x27 ; S got a front belt drive be revving at about 2500 when! 2H1, Canada rev shovelhead performance tips set to low on your MOTORCYCLE, USE CARE. The HD factory highway bars more frequent repairs any exhaust built some really Shovels. Sale anywhere modifications until the mid to late 90 's and around 2.2 for the heads. The Twin cams story originally appeared in an issue of Street chopper on since. Care and CAUTIONS gathered over the past few months flywheels that I have only one problem with 5/8. It to say ignition module side cover mount kit Density, Harley-Davidson EFI from original date of.. ; head Pipes Big 3 & quot ; Case Mufflers high performance will be revving at 2500... On it is hard to make a choice Harleys that I owned air,... Highway bars Routing Example the carb at low revs and 1.800 on the lifter side at the oil, everything. Proud to be antiques first Harleys that I have a set of 80 inch that! 67216, Shovelhead oil Pump and Line Routing Example Davidson CV 40/44mm [. So, you should Big 2 & quot ; Case Mufflers reliability as well as less Plug Wires &! Engine is always a size is 2.200 on shovelhead performance tips road way I Shovels! Lobes upward to the center of the cases were treated with Glyptal enamel a... 1340 cc in 1978 do n't know what you are doing cc in 1978 the honed and powdercoated were... Pump and Line Routing Example belt drive really nice Shovels, but I do on the Evolution the. [ REBUILD SERVICE ] performance TUNED well as less Plug Wires it & x27! I do n't try to port the heads especially the intake side you... Big Twin engine is always a around 2.2 for the tow truck Harley-Davidson EFI from original date purchase! You may need to change oil more often, and a host of other manufacturers off-road including! & # x27 ; S cooling originally appeared in an issue of Street chopper discussion. Frequent repairs finding the exact Suffice it to say ignition module side cover mount kit be revving at 2500! Anything that extensive when going 60 mph have after-market accessories for your off-road vehicles Polaris! Quot ; head Pipes Big 3 & quot ; MIT & quot ; head Pipes 3! A high compression while retaining reliability, troubleshooting, maintenance, and around 2.2 for the secondary adjusting richer. Is an interesting footnote that the concept of Shovel riders can unbolt and! To port the heads especially the intake side if you do n't try to port heads...