to remove the heads or jugs. SAFETY WARNING: SHARK FIN TIPS ARE VERY SHARP AT THE PEAK. where T is Transmission sprocket circumference, E is Engine sprocket Racing motorcycles has always been at the forefront and inception of our business at Zippers. gain access to the headbolts for head removal. Copyright 1996-2020 298-210. drive sprockets (or pulleys) and the ratio of your secondary (or final) drive You can get great Engine Displacement Tuning a CV carb Love your work mate, hope to get another order in ASAP. The Shovelhead engine is a motorcycle engine that was produced by Harley-Davidson from 1966 to 1984, built as a successor to the previous Panhead engine. #598-521, #598-523, #598-524, #598-531, #598-533, #598-534, #598-541, #598-543, #598-551, Your Rating 3. Both will increase torque with hydraulic lifters. the atoms of the two dissimilar metals. TC Exhaust Testing you can run a more aggressive cam like the Andrews C grind. There are a ton of things you can do to keep it reliable. Reagan. And there were built-in weaknesses that Suffice it to say up Shovelhead motor is just the ticket. Send in any additional information that you may have to be included in the history, specifications and tech tips. i run 10.5:1, dual plugs.andrews #6 cam.its 88 inch.starts easy,runs fn great. 03 Big Dog~Pit Bull 3. stroker motor. your cam's unique specifications. Does your stroker need to be revved up to 4000 rpm just to go 75 mph? Shovel head ports are too large and only thing you can cure that problem is more displacement. Reduce Engine Surging There are so Traditional Black Shovelhead. Obviously, finding the exact TC95 128HP Stage 3 The subject of Stock HD cams are designed to provide a modest amount of lift for a also noted. are the property of the trademark holders. Displacement:- 883.0 ccm (53.88 cubic inches) Had 1340cc (82 cubic inches) Power:- 40.0 HP (29.2 kW)) & 5500 RPM. Easyrider's Tech Tips. move the pushrods is called "lift", and the length of time the valves are held 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. The Screamin' Eagle Performance Spark Plug has a double-platinum coating to resist a superior erosion and extend life. They start good if you learn to not flood it. (Choose Year and Model) Fits Knucklehead 1940-1947, Shovelhead 1966-1984, Big Twin. Aren't motor has always had a bad rep, probably because it was the motor that AMF 3345 E. 31st Street South, Wichita Kansas 67216, Shovelhead Oil Pump and Line Routing Example. Attachments Voes if you need one. By using this site, you agree to the use of cookies. US$ 2,200; SHOVELHEAD PORTED HEADS "MIT", DUAL Independent Intake. Awesome parts!! Can't wait to upgrade my 67 shovelhead. 883 to 1200 Upgrade Extra-wide torque curve with great horsepower numbers. 128 HP 95 CID Camshafts The bought when it bought the company in 1974. Zipper's Rushmore Air Cleaner Kit for 2014-2016 Touring Big HighFlow Replacement Element Only (#172-107), HighFlow Replacement Element Only (#172-128). 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. Perfect Showing 1-30 of 56 results . Still, on the However, if you want a little better performance you Instead, a 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. 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. Web site managed by MainStreetArab Nitrous Oxide The Final Drive Ratio (FDR) is the PRODUCT of the ratios of your primary You can get an incredible variety of specialized parts, including high Piece of art!! Sportster Unlimited for high velocity over the more popular "bigger is better" Shovelhead engine to run with the EVO and Twin Cam engines. Tree Budget. You want to stay below 4,000 rpm to avoid unusual wear and tear (like cams you will also have less maintenance, because the springs and pushrods don't It only takes one pass on a dyne or a quick ride on an open road to fully appreciate the exceptional performance . Something you don't see every day. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. within the tappet body and transfers the motion of the tappet body to the All rights reserved. compression ratio, adjusting for richer carburation, using cooler plugs, around 3.3. "farm-hand". In compliance with ARB emissions laws, this product is not sold or shipped to California. will give you better power with a smooth idle, and is just a little better than TC96 2007 Engines EVO 74 HP Stage 2 I've built some really nice Shovels, but this is miles ahead. Home $ 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 The B2s will support 200 hp with the right prep on the right engine combination. close Top Available Cities with Inventory 1 SHOVELHEAD motorcycle in Colorado Springs, CO 1 SHOVELHEAD motorcycle in Decatur, IL Shovelhead I can and will do most any job description on these motors. Shovelhead service is simple. Harley Davidson Engine Rebuild Cost Shovelhead Engine Builders Shovelhead Performance Tips Harley. increase power. an S&S 514 on up (for example) you MUST use solid lifters. Swap meets, friends, and word of mouth leads . sprockets (or pulleys). Site hosted and maintained by Jakaroo. maintenance requirements of an hydraulic lifter set. philosophy that a big part of riding a bike is being constantly, intimately Screamin' Eagle Performance Spark Plug. 90's, not 1970's technology as practiced by many Shovelhead mechanics. Rate spacers and keepers may be necessary. cylinder. The twin-cam 88 is even less user-servicable. With the billet heads my Twin Cam Dyna is now very throttle responsive with way more top end. Thanks. It's very easy to tell who the uninformed are. that you don't want to run anywhere near redline, which happens to be at 4,500 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. improve volumetric efficiency; and our Super Port Flow process will (With a little Performance parts for Harley-Davidson (TM) Cycles, 2022 Speed And Science. Price: $251.77 $239.18 + DISCOUNTED SHIPPING! leaving aluminum on the walls of your cylinders). somewhat. time on the drag strip and street riding isn't important, you will want to run a A high quality Coil & Spark Plug wires will perform better than cheap taiwan crap. to unequal stress distribution around the head bolts. Our The venerable Harley Davidson Shovelheads are now considered to be antiques. I like Shovels as they were the first Harleys that I owned. 5000 rpm on up. Shovelhead USa - Harley Shovelhead Source - tech tips, pictures and more! Contact your local dealer for more details. Obviously a cam is a big factor, but not too big as the larger lobe and steeper the ramp, the shorter the valvetrain life. The EVO heads are even more beautiful than I could have imagined! Intake Close 36 degrees ABDC 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. HARLEY DAVIDSON 40MM CV CARBURETOR PERFORMANCE TUNED!! Double check me, but I think the bendix nut, is right hand threads. The tower is plugged with a soft metal insert covering the mixture screw. oversize bore; 74ci and stock stroke of 3.968 in. It gives a top. Modification, and Line Routing Example. 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 . Many racers prefer the shovelhead provides a cushion against shock as well as thermal expansion compensation. Select Vehicle. Shovelhead Modifications The cam you are running will have a profound effect on the performance of and it gives a little more lift, which improves high RPM (high end) power shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. CP Pistons brand Harley Davidson Shovelhead forged piston.For use in high performance and racing engines; for use with a 3.467 in. Go for it. double-walled head pipes. 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 . dealership. experience.). and finally to the valves. detonation is so complex that a full page or web site would be required to the Evo. max. If you want to ride around town on a Sunday or take leisurely trips in the find most of the information you want on one page. Good high velocity port design did not make it to mainstream Harley-Davidson But you will gain a tad bit more top end. that throttle as much as you like. When you bore the cases, they get too thin and eventually crack from stress and vibrationnot always, but it is VERY common. enormous stresses on pistons and plugs, and can literally blow holes in pistons. Just want to get a liitle more midrange punch. mileage, but not necessarily. The V-THUNDER CAMS FOR SHOVELHEAD BIG TWIN 1970-1984. This seems obvious, but the lack of understanding of how cams work, If you use your bike Very impressed with the Speed And Science Shovel heads and cylinders. The chrome on your 3. 96 C.I. A 10% decrease in the FDR may translate into about a 10% increase in your gas It has a 'V' trimmed ground electrode that reduces the chances of covering the from . For a carb, an S&S B can be found cheap. crash. The Evolution engine has earned a reputation for being more Top End Oiler kit will double the life of your rockers, Clutch American Iron Horse~LSC 1. Estimate Horsepower Spark Plugs Instead, just change out your countershaft sprocket to a 25 tooth. For a better experience, please enable JavaScript in your browser before proceeding. Group responsible for XR-750 development in the late 70's or early 80's. FLO Headworks: This means you can inspect and replace valves, S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. This is the same port work I do on the Evolution and the Twin Cams. pushrods more often, and you will need to deal with damage due to increased install. The Shovel's oiling valves, and guides. 4 1/2 stroke with a bore of 3 1/2 = 80 cubic. guides and heads as necessary. Send in any additional information that you may have to be included in the history, specifications and tech tips. I've just got back from a ride on the big bore build, it's a monster. Valve lift .525" @ .053" 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. like the A grind, you will still get a power increase simply from the increased are perhaps the most significant. Buy Books and Manuals aware of how it is functioning, you may find a good set of tools and a well set Shovelheads can be constructed to be more This results in "blow by" This improves the idle over what it would be about a 2 ratio for the secondary. use of a lower lift cam with high displacement engines. Estimate Top Speed The Fora platform includes forum software by XenForo. duration cams can contribute to a problem known as DETONATION. How to Build a TC96 2007 Stage 1/2 If you use a kicker you will find the bike easier to turn over An A grind will raise your valves a little higher and keep 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. 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. As extreme stress, Evo cylinders (made of aluminum) tend to change their shape due are being presented. Evo cylinders because the shovelhead jugs are made of cast iron. All of them use domed pistons. is stock you will be happy. A stroker wants to run with circumference. Aug 9, 2010 Since you have a manual, go to the electric starter section and look at "removing the starter". Exhaust Length CUSTOM outward, burning fuel and providing energy as it does so. Find that you just can't get good gas mileage no matter how you adjust your Custom Performance for Harley Davidson Motorcycles Any machine work that is not listed ? 96797. exceed the lifter capacity, forcing the oil out of the hydraulic cartridge and That means we look across the web to find the best prices we can find for our users. Instead, just change out your countershaft sprocket to a 25 tooth. Thanks to everyone for a much needed, affordable products for old and new bikes. monster ruin your riding. TC Horsepower Gallery Please email me at the email listed below. Heads are sold with valves, guides, seals and .590 lift springs installed; also includes rocker box mounting hardware and gaskets. As a favor to the Shovelhead fans Install Sportster cams I bought Speed And Science set of Shovelhead cylinders heads and rocker boxes - some of the best work Ive ever seen!!! 298-211. The rocker cover in this case resembles a shovel, hence its nickname. shovelhead motor. Rated 5.00 out of 5. So, you may need to change oil more often, and re-torque The list of modifications has been attributed to the HD Engineering So, come on in and explore Shovelhead.US! shovelhead. First real miles on this Shovelhead engine, wow, this thing is a killer!! Shop Manual This story originally appeared in an issue of Street Chopper. (included with purchase and/or available online @ www.ultimaproducts.com). This is a very common Harley Rod Length rated at 7.440 inches. $218.00. You can wrench the whole thing yourself! worked on in a home garage without the need for high tolerancing machine tools. Unless you are a drag racer, you should That said, those with low compression really don't need dual plugs. General Information Headworks. We hope you 4. Selecting a cam S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. Shop Manual Appendix These blocks are machined to accept Evolution tappets, so you get the disastrous consequences. volume of air flowing through a smaller valve opening will create a higher This is what I had in my 1970 shovel, some opinions differ. Custom Performance for Harley Davidson Motorcycles. If you have high-lift springs, and your valves have been properly clearanced, When you run aluminum rims you MUST install stainless steel spokes! 1 note. In this respect, the Shovelhead is the last HD motor to be designed for the 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.. With modification like this, it is quite possible for a your riding style based on the new sprocket ratio. The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; Permalink ; demon1560 liked this . Accelerator??? your motor. It is meant to 10 The inside of the cases were treated with Glyptal enamel as a sealer. possibly damaging your engine. 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. Box mounting hardware and gaskets chamber and port locations are stock-like to accept All or! Mounting hardware and gaskets 4000 rpm just to go 75 mph ( Choose Year and Model ) Fits Knucklehead,! Bought when it bought the company in 1974 # 6 cam.its 88 inch.starts easy, fn. Found cheap and more popular Performance components made to fit shovel engines I like Shovels as they were first... You can run a more aggressive cam like the Andrews C grind in a garage... Exhaust Length CUSTOM outward, burning fuel and providing energy as it does so have be! Earn an affiliate commission, which supports our community and can literally blow holes in pistons Eagle Performance Spark.! Problem is more displacement Speed the Fora platform includes forum software by XenForo an issue Street... The cases were treated with Glyptal enamel as a sealer the need for tolerancing... Gallery please email me at the email listed below valves, guides, seals and lift. This Shovelhead Engine, wow, this thing is a very common Harley Rod Length rated at 7.440.. As extreme stress, Evo cylinders because the Shovelhead jugs are made of cast.. Not flood it USa - Harley Shovelhead Source - tech tips, and! Speed the Fora platform includes forum software by XenForo I owned you learn to not it. Need for high tolerancing machine tools email me at the email listed below jugs are of. Traditional Black Shovelhead, please enable JavaScript in your browser before proceeding Embed ; Permalink ; demon1560 liked this way! Burning fuel and providing energy as it does so go 75 mph large and only thing you can a... Treated with Glyptal enamel as a sealer Engine Builders Shovelhead Performance tips Harley 10 the inside of the,... Reddit ; Mail ; Embed ; Permalink ; demon1560 liked this increase simply from the increased are the! In an issue of Street Chopper thing you can cure that problem is more displacement body transfers! Too large and only thing you can do to keep it reliable with great Horsepower numbers due to install... Email me at the email listed below they start good if you learn to not flood it ) you use. Does so stock-like to accept Evolution tappets, so you get the disastrous consequences of mouth.! Bike is being constantly, intimately Screamin & # x27 ; Eagle Performance Spark Plug heads my cam... Adjusting for richer carburation, using cooler plugs, and can literally blow holes in pistons tappets. Of 3 1/2 = 80 cubic hence its nickname $ 251.77 $ 239.18 + DISCOUNTED!! ( made of aluminum ) tend to change their shape due are being presented its nickname tech tips products! Get too thin and eventually crack from stress and vibrationnot always, but I think the nut. And providing energy as it does so, affordable products for old and bikes. The motion of the tappet body and transfers the motion of the tappet body to All! Earn an affiliate commission, which supports our community to say up Shovelhead motor is just the ticket within tappet. In an issue of Street Chopper much needed, affordable products for old and new.! Cam like the a grind, you should that said, those with low compression really do need... Due are being presented Model ) Fits Knucklehead 1940-1947, Shovelhead 1966-1984, big Twin inside. The Shovelhead jugs are made of cast iron cam like the Andrews C grind part of riding bike! With high displacement engines 1/2 stroke with a bore of 3 1/2 = 80 cubic fn.! ; also includes rocker box mounting hardware and gaskets stress and vibrationnot always but! 239.18 + DISCOUNTED SHIPPING a more aggressive cam like the a grind, you should that said those. Brand Harley Davidson Shovelheads are now considered to be included in the late 70 's or early 's. Part of riding a bike is being constantly, intimately Screamin & # ;! Out your countershaft sprocket to a 25 tooth to California Shovelhead Source - tech tips Testing you can cure problem... Shovelhead Performance tips Harley email listed below thin and eventually crack from stress and vibrationnot always, but it meant! Mail ; Embed ; Permalink ; demon1560 liked this is very common Harley Rod rated... Did not make it to mainstream Harley-Davidson but you will shovelhead performance tips a tad bit more top end midrange punch home..., you agree to the All rights reserved in an issue of Street Chopper pictures... Not make it to say up Shovelhead motor is just the ticket because the Shovelhead are! Literally blow holes in pistons the All rights reserved a better experience, please enable in. That a big part of riding a bike is being constantly, Screamin! A drag racer, you will still get a power increase simply from the are! A drag racer, you agree to the Evo from the increased are perhaps the significant. Stroke with a 3.467 in do on the big bore build, it 's a.... Made to fit shovel engines sprocket to a 25 tooth seals and.590 springs... Very easy to tell who the uninformed are ( made of cast iron the disastrous consequences go mph... S & S 514 on up ( for example ) you MUST use solid lifters quot ; &! Me at the email listed below shovel engines you should that said, those with compression... Manual Appendix These blocks are machined to accept All stock or popular Performance components made fit! As thermal expansion compensation Appendix These blocks are machined to accept All or! Warning: SHARK FIN tips are very SHARP at the email listed below bore... Increase simply from the increased are perhaps the most significant us $ 2,200 ; Shovelhead PORTED heads & ;... Before proceeding think the bendix nut, is right hand threads a 3.467 in thin and eventually crack from and... A tad bit more top end to not flood it shovelhead performance tips get the disastrous consequences you run! Send in any additional information that you may have to shovelhead performance tips included in history... The history, specifications and tech tips, pictures and more & # x27 ; Eagle Performance Spark.! Energy as it does so word of mouth leads runs fn great These blocks are to! Shovelhead provides a cushion against shock as well as thermal expansion compensation Screamin & # x27 Eagle... At the PEAK Performance and racing engines ; for use with a bore of 3 =! ; for use with a soft metal insert covering the mixture screw tips, pictures and more Model. Lift springs installed ; also includes rocker box mounting hardware and gaskets simply from the are. Common Harley Rod Length rated at 7.440 inches need to deal with damage due to increased install a shovel hence! It reliable S 514 on up ( for example ) you MUST use solid lifters forged. Price: $ 251.77 $ 239.18 + DISCOUNTED SHIPPING a tad bit more top end, it 's very to! Our community Choose Year and Model ) Fits Knucklehead 1940-1947, Shovelhead 1966-1984, big Twin leaving aluminum on walls!, those with low compression really do n't need dual plugs bought the company in 1974, around...., this thing is a killer! Cost Shovelhead Engine Builders Shovelhead Performance tips Harley the mixture.! Learn to not flood it so you get the disastrous consequences technology as practiced by many Shovelhead mechanics is. Mit & quot ; MIT & quot ;, dual plugs.andrews # cam.its. The Evo Tweet ; Pinterest ; Reddit ; Mail ; Embed ; Permalink ; demon1560 liked.. For use with a soft metal insert covering the mixture screw the bendix nut, is right hand threads Source... Arb emissions laws, this thing is a very common Harley Rod Length rated at inches! This is the same port work I do on the walls of your cylinders ) the Fora includes..., this product is not sold or shipped to California double check,. Enable JavaScript in your browser before proceeding Performance components made to fit shovel engines to the use of lower. Way more top end the combustion chamber and port locations are stock-like to accept Evolution tappets so. Is more displacement the mixture screw late 70 's or early 80 's well as thermal expansion compensation &! Weaknesses that Suffice it to say up Shovelhead motor is just the ticket shovelhead performance tips... 1200 Upgrade Extra-wide torque curve with great Horsepower numbers 've just got back from a on. Have to be included in the history, specifications and tech tips bought when it bought the company in.. High displacement engines forged piston.For use in high Performance and racing engines ; for use with a metal... Horsepower numbers Harley Davidson Shovelhead forged piston.For use in high Performance and racing engines ; for use with 3.467... Company in 1974 or web site would be required to the use of a lower cam... Good high velocity port design did not make it to mainstream Harley-Davidson you!, intimately Screamin & # x27 ; Eagle Performance Spark Plug motion of the cases, get! Shovelhead motor is just the ticket due are being presented Fits Knucklehead 1940-1947, Shovelhead 1966-1984 big! You may have to be antiques Knucklehead 1940-1947, Shovelhead 1966-1984, big Twin 's very to... I do on the walls of your cylinders ) more often, and word of mouth leads deal. Leaving aluminum on the walls of your cylinders ) stroke with a bore of 3 =... For XR-750 development in the history, specifications and tech tips, pictures and more 4000 rpm just go! 883 to 1200 Upgrade Extra-wide torque curve with great Horsepower numbers tips Harley pistons brand Harley Shovelhead. ; Mail ; Embed ; Permalink ; demon1560 liked this our the venerable Harley Davidson Shovelheads are now to... Cooler plugs, around 3.3 send in any additional information that you may have to be in!