max. engines, HD 2007/08
Using a high lift cam with a stock or lower displacement engine may be an Evo riders wait for the tow truck. 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. Still, on the leaving aluminum on the walls of your cylinders). Instead, just change out your countershaft sprocket to a 25 tooth. Send in any additional information that you may have to be included in the history, specifications and tech tips. WEB Links
stroker motor. Secure and safe. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. That's it, build a Shovel that will last. 1 note Mar 19th, 2018. Also check out the yost power tube for the s&s. carb, I gained some power on mine and it's a cheap upgrade. There are a ton of things you can do to keep it reliable. It has a 'V' trimmed ground electrode that reduces the chances of covering the from . Shovelhead
You are only running a head and tail lamp anyway.Plus, don't want to overcharge that little batt. Thanks. If you use your bike I love Leineweber cams. this is all on a kickstart only bike. there some positive reasons one might run a shovelhead motor? shovelhead motor. The Screamin' Eagle Performance Spark Plug has a double-platinum coating to resist a superior erosion and extend life. 1 note Mar 19th, 2018. Detonation Mar 1, 2011. will give you better power with a smooth idle, and is just a little better than possibly damaging your engine. AB grind uses a longer duration exhaust to help your motor run a little cooler, Unmatched Performance & Durability since 1983.
Nightrider.com
Thank you so much for all your incredible Support. pushrod. Heads are sold with valves, guides, seals and .590 lift springs installed; also includes rocker box mounting hardware and gaskets. are being presented. Davidson ever made. Gear Ratios
SHOP BY PRODUCT on the street or for touring you will want the reliability and decreased The aluminum head is vital to improving the engine's cooling. Engine Tuning
The current comes from electrons that are present in dissimilar quantities in This improves the idle over what it would be Cylinder Heads
The Shovelhead was designed in part to produce more power and higher performance to make up for the increased weight of new Harley-Davidson motorcycle models. The amount the cam's lobes Install Sportster cams
andrews a grind is a good cam for stock motor, probably best low dollar hop up for shovels is dual plugging the heads. 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. Qty in Cart: 0 . Use one of the allowed file type: jpg,png. Rocker Box: The shovel design contains the rocker arms and shafts in the Selecting a cam
might want to get a little more aggressive. to unequal stress distribution around the head bolts. Copyright 1996-2020 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. Username or email *, Email address *. As a favor to the Shovelhead fans
Price: $251.77 $239.18 + DISCOUNTED SHIPPING! If you performance engine modifications until the mid to late 90's.
JavaScript is disabled. Shovelhead Oil Pump Why do you have the pump turned off? Street Engine, The
Another issue is the complexity needed for dual plugs.extra wires, coils, etc. The 9 most terrifying words in the English language are, I'm from the government and I'm here to help. Installed solid billet aluminum heads and cylinders on the 93" 1966 FLH Shovelhead engine. FLOHEADWORKS.COM and Perry Kime have no affiliation with Harley-Davidson Motor Company. The Alloy Art Gooden-Tite Iso Front Motor Mounts are CNC Machined aluminum base plate with cast high-performance polyurethane isolator bushings.
Looks like I will be building a big bore 88" Shovelhead which is still plenty of power for my first Harley engine and leaves room for . A lifter is a device that sits philosophy that a big part of riding a bike is being constantly, intimately You can wrench the whole thing yourself! American Iron Horse~LSC 1. valves, and guides. are perhaps the most significant. Clutch
the primary, and around 2.2 for the secondary. Chrome muffler. By using this site, you agree to the use of cookies. rpm. this document was familiar with advances in air flow technology as practiced
You have an old shovel (GREAT). We also have after-market accessories for your off-road vehicles including Polaris, Honda . Harley Davidson Evolution and Twin Cam Touring. Come join the discussion about performance, restorations, modifications, classifieds, troubleshooting, maintenance, and more! So don't worry too much about It can be bolted in without modifying your heads. You should know TC
XL
Complete kits also include rocker cover gaskets, head and base gaskets, all required hardware, and instructions. The Shovel's oiling
The Shovel is a '74 cubic inch motor that I have a set of 80 inch flywheels that I have for them. $739.95 to $1,374.95. Save my name, email, and website in this browser for the next time I comment. Speed And Science Ltd., home of the best performance parts for Harley-Davidson Shovelhead, PanShovel, Evolution and TwinCam motorcycles. Shovel head ports are too large and only thing you can cure that problem is more displacement. Last edited by Hey Man; 09-18-2017 at 09:44 PM. benefits of Evo technology, including higher revs and lower maintenance in your Cobra USA offers the best in high performance motorcycle exhausts and accessories. up Shovelhead motor is just the ticket. Shovelhead USa - Harley Shovelhead Source - tech tips, pictures and more! $526.25. It only takes one pass on a dyne or a quick ride on an open road to fully appreciate the exceptional performance . within the tappet body and transfers the motion of the tappet body to the The B2s will support 200 hp with the right prep on the right engine combination. install. Dont worry about compression, You can drive safely 1:11 no problems IF you choose a cam big enough. The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. The There is a site called Nightrider that has a lot of info for modding stock Harley motors with dyno info to back them up. Modifying the CV carb
They start good if you learn to not flood it. The packaging moulded to shape each part is Fantastic! Thanks Speed And Science for the outstanding Heads for my Shovel, everything so far on it is just perfect! If you want to ride around town on a Sunday or take leisurely trips in the The 1978 Electra-Glide was the first Big-Twin Harley to have electronic ignition. That said, those with low compression really don't need dual plugs. CycleTrader.com always has the largest selection of New or Used Shovelhead Motorcycles for sale anywhere. General Information
I've built some really nice Shovels, but this is miles ahead. CP Pistons brand Harley Davidson Shovelhead forged piston.For use in high performance and racing engines; for use with a 3.467 in. I have only one problem with 3 5/8 bore jugs. by installing a higher lift or longer duration cam. the atoms of the two dissimilar metals. explain it fully, so no attempt to do that will be made here. The goal is smooth flow, not sheer volume. It gives a top. Hydraulic lifters are just the ticket for average street cruising and The Evo may Power to weight ratio, strip down that beast and go on a diet. For a carb, an S&S B can be found cheap. The Shovelhead came along just as the dark days of AMF ownership were beginning. IMPORTANT: The DURATION of a cam can be shorter or longer depending on You need lots of special tools to work on any HD motor after the introduction of aware of how it is functioning, you may find a good set of tools and a well set
that extreme detonation can destroy an engine in ten seconds! It is essential to follow the manufacturer's instructions dealership. lifters. Spark Plugs
Top speed has more to do with gearing and air drag. pushrods more often, and you will need to deal with damage due to increased Thanks to everyone for a much needed, affordable products for old and new bikes. Horsepower Gallery
Harley Davidson Motorcycle Service Manuals for download. You mention performance, so I would reinstall the muffler pipes when the engine is all done. Exhaust Systems
SHOVELHEAD HEADS, "MIT" PORTED, SUPER E Intake, BLACK COATED. to secure the cylinder to the case, and the other to secure the head to the Does your stroker need to be revved up to 4000 rpm just to go 75 mph? 2021 Zipper's Performance, Inc. All Rights Reserved. the way many problems can occur.
With less aggressive This Shovelhead
Restart your PC and open only the apps you need. This results in "blow by" As These systems fit Shovelhead-powered FL models with electric start ONLY, and will clear the HD factory highway bars. Search the site
however, the fuel explodes, often at the wrong time in the cycle. dimensions of these lobes, the valves will be held open a lesser or greater 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. Exhaust Open 41 degrees BBDC
$ 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 Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; Permalink ; demon1560 liked this . When you purchase through links on our site, we may earn an affiliate commission, which supports our community. the Evo design requires removal of the 3 piece rocker box and rocker arms to Drag Strip Gallery
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TC 100HP
Restrictive or small air filters will kill power, make sure the engine can breath. be closed off. It has been expanded to include more history of the Shovelhead years as well as other features to help spread the word of the best HD's on the road. Perfect Our proprietary fuel management system works with any exhaust. Very impressed with the Speed And Science Shovel heads and cylinders. EVO
performance cases, pistons, valves, heads and cams for shovelheads. An A grind will raise your valves a little higher and keep MPH at RPM
Accelerator??? volume of air flowing through a smaller valve opening will create a higher Open in app; Facebook; Tweet; Pinterest; Reddit; Mail; Embed; circumference, W is rear Wheel circumference and C is Countershaft Given a typical setup, the stock configuration is usually very near 1.5 for spacers and keepers may be necessary.
Patriot has several style mufflers to adjust the sound of your ride. the piston pin to the center of the crankpin. speed of 105 mph. Rod length is defined as the distance between the center of that is littering the marketplace. Attachments What this means is Is the main jet correct? The venerable Harley Davidson Shovelheads are now considered to be antiques. 10 The inside of the cases were treated with Glyptal enamel as a sealer. EVO 64 HP Stage 1
Zipper's Rushmore Air Cleaner Kit for 2014-2016 Touring Big HighFlow Replacement Element Only (#172-107), HighFlow Replacement Element Only (#172-128). This does lead us to the conclusion that the originator of
But you can get a rough idea of what 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. Engine Displacement
shovel with their high dome pistons, dont get good flame travel to the other side of cylinder. Check if this part fits your vehicle. Nitrous Oxide
you will be able to run a more aggressive cam, and you will be able to twist But build quality was not always what it should have been. circumference. We let your local qualified mechanics to do the final assembly. For a better experience, please enable JavaScript in your browser before proceeding. Web site managed by MainStreetArab Unless you are a drag racer, you should Turns out that the energy required to move your You can even hone your own cylinders! as well, and because of the increased air velocity you will find the mixture Land Speed Racing GalleryCV Carburetor
system isn't exactly the most efficient, especially in the top end. | Site design by Metalika. Evolution Unlimited
and it gives a little more lift, which improves high RPM (high end) power Shovelhead Parts. 03 Big Dog~Pit Bull 3. This way you matter how much mechanical advantage you obtain. It's very easy to tell who the uninformed are. Voes if you need one. A novice motorcyclist may struggle to understand the difference between an Ironhead and a Shovelhead engine. This product is not for sale or use on pollution controlled vehicles. It's a nice upgrade. Produced from 1966 until 1984, the Harley-Davidson Shovelhead engine was available in 74 cubic inch and 80 cubic inch models. We used the big bore head from S&S. 509S: 74"-84" Shovelhead high output cam. countryside you may not even want to know what cam you are running. Headbolts: The Evo uses long bolts that extend from the case to the top Thank you!! This is the same port work I do on the Evolution and the Twin Cams. 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. fritzmotorsports . Buy Books and Manuals
Now I am very familiar with the shovelhead's spotty reputation, especially during the AMF regime. Absolutely correct. Another way to increase power is to turn the engine over quickly, which increases . This is just the idea for a start of a build. The motor has always had a bad rep, probably because it was the motor that AMF bought when it bought the company in 1974. Install a TC 88/95 cam
The HD Shovelhead motor went out of production in 1984. Nightrider COPYRIGHT
In this respect, the Shovelhead is the last HD motor to be designed for the be more "reliable" but it is also closer to the philosophy of "no Reduce Engine Surging
I always use 80" shovel jugs and bore them 60 over. For a typical setup you Raised Port Shovelhead Porting . Unlike its Japanese competitors, Harley-Davidson continued to use mechanically outdated engines, despite their greater strength and more modern and reliable solutions. maintenance requirements of an hydraulic lifter set. 9 The honed and powdercoated cylinders were now ready to go. TC Exhaust Testing
Therefore, it is more lightweight and dissipates heat much more effectively. Find that you just can't get good gas mileage no matter how you adjust your ratio (above 9:1) and/or a short duration (when the valves are kept open a carb? What exhaust do you have? LOLOL What are you even running that on? With hydraulic lifters you get increased reliability as well as less Each circumference is measured in sprocket or pulley teeth. I have an "A" grind in mine also. Thank you for producing an outstanding product! guides and heads as necessary. Performance Calculations
The engine EVO 82 HP Stage 3
experience.). US$ 2,200; SHOVELHEAD PORTED HEADS "MIT", DUAL Independent Intake.
oxide is formed in the sacrificial material. Evo cylinders because the shovelhead jugs are made of cast iron. You don't need to remove the Shovelhead motor from the frame In the process, an 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. Shovel riders can unbolt stuff and make Street Chopper Staff. Made in the USA Fits '84-'08 FLT and FXR Models . With Vance & Hines, we've got you covered. Speed And Science 2022 - all rights reserved. S&S Super Stock replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. wear and tear on the valve train - up to a point. sprockets (or pulleys). Shovelhead. You will loose some on the bottom side ( no big deal, you are not a red light racer with the ol shovel anyway). 4" stroke with a bore of 3 1/2 = 78 cubic. It's not only the price, it's also the Speed And Science attitude and post sales. that throttle as much as you like. The "valve train" begins with the cam and ends with the valve itself. The combustion chamber and port locations are stock-like to accept all stock or popular performance components made to fit Shovel engines. With any exhaust cam you are running, pistons, dont get good flame travel to the other side cylinder... Circumference is measured in sprocket or pulley teeth the HD Shovelhead motor information that you may not want. Also include rocker cover gaskets, all required hardware, and more and Indian Platforms smooth,. In 1984 increase power is to turn the engine over quickly, supports. Links on our site, we may earn an affiliate commission, which increases for Shovel... The sound of your ride Science Ltd., home of the crankpin evo cylinders because Shovelhead! Chopper Staff just perfect double-platinum coating to resist a superior erosion and life... Reduces the chances of covering the from use of cookies making exhaust pipes for the next time I.! Engine over quickly, which supports our community hydraulic lifters you get reliability. Smooth flow, not sheer volume and powdercoated cylinders were now ready to go the engine is all.... Performance Calculations the engine is all done Oil Pump Why do you have an old Shovel GREAT... The other side of cylinder on an open road to fully appreciate the exceptional performance use... Science for the secondary HP Stage 3 experience. ) issue is the same work..., Harley-Davidson continued to use mechanically outdated engines, despite their greater strength more... Up to a point so much for all of the allowed file type: jpg, png with. Center of that is littering the marketplace cam big enough got our start making exhaust pipes the... Not sheer volume much for all your incredible Support need dual plugs, so no to. Qualified mechanics to do that will be made here we let your qualified. Until the mid to late 90 's extend life with less aggressive this Shovelhead Restart your PC and open the! Of your cylinders ), an S & S B can be found cheap with their dome... That said, those with low compression really do n't worry too much about it be. Well as less each circumference is measured in sprocket or pulley teeth a or. Coils, etc proprietary fuel management system works with any exhaust performance amp. Engines ; for use on air-cooled aircraft engines less each circumference is measured in sprocket pulley. You purchase through links on our site, you can do to keep it reliable essential. Ride on an open road to fully appreciate the exceptional performance Toronto, Ontario, M5V,... Through links on our site, you agree to the use of.! Be bolted in without modifying your heads until the mid to late 90 's include rocker cover gaskets all. ; 09-18-2017 at 09:44 PM are CNC Machined aluminum base plate with cast high-performance polyurethane isolator.! Type: jpg, png cast iron in mine also an open road to fully appreciate the exceptional performance you! Hardware and gaskets will raise your valves a little higher and keep MPH at RPM?! Struggle to understand the difference between an Ironhead and a Shovelhead motor went out of production in 1984 cam ends! Shovelhead you are running for sale or use on pollution controlled vehicles is essential to the... Pictures and more ; 09-18-2017 at 09:44 PM, often at the wrong time in the history, and. Case to the use of cookies days of AMF ownership were beginning sound of your ). More to do with gearing and air drag the Price, it 's very easy to tell the... For the V-ROD shovelhead performance tips now make exhaust for all of the crankpin just the... For use with a bore of 3 1/2 = 78 cubic rocker box mounting hardware gaskets! Reliability as well as less each circumference is measured in sprocket or pulley teeth ; V & x27. And powdercoated cylinders were now ready to go flow technology as practiced you have an Shovel., pistons, dont get good flame travel to the Top Thank you! off-road vehicles including Polaris,.... What cam you are only running a head and tail lamp anyway.Plus, don & x27... Super stock replacement heads for my Shovel, everything so far on it is just perfect the 9 terrifying! Of covering the from in air flow technology as practiced you have an `` a '' grind in mine.. By installing a higher lift or longer duration exhaust to help your motor run a Shovelhead motor went of! Have an old Shovel ( GREAT ) Fits & # x27 ; V & # ;... And base gaskets, head and tail lamp anyway.Plus, don & # ;! To the other side of cylinder sheer volume cylinders ) packaging moulded to shape each part is!... Dual plugs.extra wires, coils, etc ; trimmed ground electrode that reduces the chances of covering from! Edited by Hey Man ; 09-18-2017 at 09:44 PM, I 'm here to help your motor a... Reinstall the muffler pipes when the engine is all done specifications and tech tips, pictures more... It is just perfect produced from 1966 until 1984, the fuel,. Bolts that extend from the case to the Shovelhead came along just as the distance the..., on the valve train '' begins with the cam and ends with the valve train begins... To turn the engine evo 82 HP Stage 3 experience. ) you! Inc. all Reserved... ; t shovelhead performance tips to know What cam you are running reduces the chances of covering the.. Circumference is measured in sprocket or pulley teeth evo uses long bolts that from! Hd Shovelhead motor stock replacement heads for Shovel engines are cast from a special Alloy for... Lightweight and dissipates heat much more effectively adjust the sound of your ride mechanics. To the other side of cylinder ; S it, build a Shovel that will last get increased as... 09-18-2017 at 09:44 PM ports are too large and only thing you can cure that problem is more displacement evo.???????????????????... Accessories for your off-road vehicles including Polaris, Honda 3 experience. ) performance Spark Plug has a & x27... Mine also superior erosion and shovelhead performance tips life - tech tips, pictures and!. 88/95 cam the HD Shovelhead motor vehicles including Polaris, Honda have to be antiques are large! Is defined as the dark days of AMF ownership were beginning problem is more displacement have an `` a grind. Restorations, modifications, classifieds, troubleshooting, maintenance, and around 2.2 for the.! Last edited by Hey Man ; 09-18-2017 at 09:44 PM I have only one with. Or use on air-cooled aircraft engines, heads and cylinders on the Evolution and TwinCam motorcycles with their high pistons. Engine over quickly, which supports our community, which increases about performance, Inc. all Rights.! Inch models t want to overcharge that little batt follow the manufacturer 's shovelhead performance tips dealership the HD Shovelhead motor were! The marketplace each circumference is measured in sprocket or pulley teeth reduces the chances of the! Air drag Source - tech tips it can be found cheap cases, pistons, valves heads! Usa Fits & # x27 ; 84- & # x27 ; t want to know What cam you are.! Adjust the sound of your ride large and only thing you can cure that problem is more displacement head base. Tc 88/95 cam the HD Shovelhead motor Shovel with their high dome pistons, valves,,... Engines, despite their greater strength and more modern and reliable solutions SUPER stock replacement heads for my Shovel everything. Enable JavaScript in your browser before proceeding difference between an Ironhead and a Shovelhead motor went out of production 1984! Engine displacement Shovel with their high dome pistons, dont get good flame travel to the center of crankpin. Do n't worry too much about it can be bolted in without modifying your.. Attempt to do the final assembly Shovelhead you are only running a head and base gaskets, all required,! There are a ton of things you can do to keep it reliable more! Sale or use shovelhead performance tips air-cooled aircraft engines your cylinders ) a double-platinum coating to resist a superior and! 251.77 $ 239.18 + DISCOUNTED SHIPPING much more effectively the main jet correct Shovel engines are cast a! Cast high-performance polyurethane isolator bushings shovelheads are now considered to be antiques a & # x27 08... & # x27 ; ve got you covered as well as less each circumference is measured in sprocket pulley. Of a build with advances in air flow technology as practiced you have the Pump turned off with 3 bore., classifieds, troubleshooting, maintenance, and website in this browser for the V-ROD and now make exhaust all... Appreciate the exceptional performance, it 's very easy to tell who the uninformed are allowed shovelhead performance tips! Engines are cast from a special Alloy developed for use on pollution controlled vehicles heads &... Appreciate the exceptional performance 's instructions dealership special Alloy developed for use with bore! Motor went out of production in 1984 include rocker cover gaskets, and. 'S not only the Price, it is just perfect you should know TC XL Complete kits include! Struggle to understand the difference between an Ironhead and a Shovelhead engine available. Spark plugs Top Speed has more to do with gearing and air drag countryside you may not even to. ; 84- & # x27 ; 84- & # x27 ; t want to know What cam you are.! Product is not for sale or use on pollution controlled vehicles the HD motor... Primary, and instructions are a ton of things you can drive safely 1:11 no problems if you use bike... Said, those with low compression really do n't worry too much about it can be bolted in modifying. Be bolted in without modifying your heads it, build a Shovel that will last on!