To do that and to complete the Stage 1 performance upgrade, youll have to get a performance exhaust system. Pushrods not needed or included in this kit. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. I think I might have just changed the direction of my motor build, might be building a 103!!! Dealer participation may vary. of torque @ 4300 RPM. The latter also has an oil cooling system that the 96 doesnt have. Options such as color are available at additional cost. In the process of rebuilding the engine and my curiousity is getting the best of me. The APR may vary based on the applicants past credit performance and the term of the loan. *Not compatible with S&S 79cc Super Stock heads. The Twin Cam 88 was a traditional design from Harley-Davidson, using two cams to drive the valvetrain, with the first being the famous '8-Valve' OHV V-twin racing models of 1915. After-market heat deflectors can make a difference when its over 80 degrees outside and youre stuck in bumper-to-wheel traffic. By bumping up the compression to 10.5:1, you can increase your engines power by at least 15%, depending on the cams and displacement. Notice: S&S TC3 oil pumps and cam support plates for 1999-'16 Harley-Davidson big twin engines are machined from aluminum forgings. You need the 4 3/8 crank with your 3.875 cylinders and new pistons. No. However, early trouble plagued the new engine with major leaks throughout the entire oiling system, and the new engine launch was delayed by over a year. With all of the performance upgrades above done, the only bottleneck left to take care of is the throttle body and the fuel injectors. Adapts a Twin Cam 'A' Motor to EVO, Custom Frames, FXR Frames and EVO Dressers . Third-party trademarks are the property of their respective owners. However, if youre on a budget, then a good-quality fuel injection tuner will do the job just fine. 1. Cam Spacer Kit P/N 25928-06 is recommended. Complete kits include cylinders, forged flat top piston kit, head and base gaskets. . APR is calculated according to the simple interest method. There you have it, the best Twin Cam 88 performance upgrades that you can do to make your bike faster. catalog lists a 4-3/8" crank fits '99-'06 touring. The 100" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. For example, a 2022 Road Glide motorcycle in Vivid Black with an MSRP of $21,430, no down payment and amount financed of $21,430, 60 month repayment term, and 3.99% APR results in monthly payments of $394.57. Harley is unlikely to honor a warranty claim for a bunch of metal in the crankcase caused by a botched cam refit. Not all applicants will qualify. A lot of the early bikes are some what blessed with less run out due to . Discussion on V-Twin Harley Davidson motorcycles including Dyna, Electra Glide, Softail, Sportster, and more. We also use third-party cookies that help us analyze and understand how you use this website. This is a list of verified horsepower figures for a variety of the Twin Cam 88 and 95 CID Engines. Financing Offer available only on new 2019 Harley-DavidsonTouringmotorcycle models financed through Eaglemark Savings Bank and is subject to credit approval. There are a few Twim Cam years that you may want to avoid. Can I put a 96 crank into an 88? Dealer participation may vary. Check your exhaust and see if everything is good. for oil sumping, power efficiency, and noise reductions that revolutionized the motorcycle world. Thank you for all your hard work in doing this research Gonna try and do it to my 99 ultra Ill see you in the funny papers for you advice on products, Your email address will not be published. The Timken bearings in the original Twin Cams are graded to help the sprocket shaft continue for over 500,000 miles. Camshafts are really complicated and it can take you a while to understand how they work and which type of cam is best for you. For example, a 2023 Street GlideStandard motorcycle in Vivid Black with an MSRP of $21,999, a 10% down payment and amount financed of $19,799.10, 96-month repayment term, and 12.09% APR results in monthly payments of $322.77. High-Flo air kit, 2 into 1, PCV5, lots of goodies, and all the S&S bits, nice. Yes
See your Harley-Davidson Dealership for details. Almost anything can be done if you are willing to spend the time searching out the route to do it,pay the cost and live with the results. 2023 ThrottlePack. This kit can increase power 35% depending on exhaust system. Nothing beats the thrill of taking a tight corner on two wheels. To save yourself the headache, we recommend contacting S&S Cycle, FuelMoto, or any other reputable company and asking for their help in choosing the best cam for your specific application. Obviously, as the name suggests, the displacement of the TC 96 is 96 cubic inches or 1584 cc vs 103 cubic inches or 1690 cc. Not all applicants will qualify. This package took 5 weeks to arrive but was worth the wait. You can bore to 98", and save from splitting the cases, to replace crank. I'd say yes as long as the whole drivetrain is replaced.. The stock exhaust on the Twin Cam 88 is good for making stock HP and TQ, but its not designed for lots of power. If you want a 103 then you would need to bore your cylinders and get new 3.875 pistons 4.375x3.875=103. The test results showed the engine producing 128 horsepower @ 6600 RPM and 118 ft. lbs. See your Harley-DavidsonDealership for details. The left-side case was then carefully installed, and all the case hardware was torqued to factory specs. $75 USD / $100 CAD Voucher valid at participating U.S. & Canadian H-D Dealers towards the purchase of Genuine H-D Parts & Accessories and General Merchandise. You will need to almost completely disassemble the engine in order to install the big bore kit and you will likely need professional help if youve never done this type of work before. Benjamin believes that nothing clears the mind faster than flying 26 inches above the asphalt on his Harley-Davison. How much more power? Standard and optional wheels may vary by country and region. While the two engines are basically the same, the 103 has larger pistons than the 96 which show up in extra cubic inches. APR is calculated according to the simple interest method. At this point, avoiding those years would be advisable unless a modification has been made. If you want the best results, then you should definitely go with the custom dyno tune. Customer must take delivery by September 30, 2019. This post contains links to products that we may receive commission from at no additional cost to you. A lot of people stop at the big bore kit, but the problem with that is that you do not fully utilize the potential gains of the cams and the larger bore. Well, if your bike is carbureted, you will need to get a new carburetor jet kit and rejet the carb. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. We can be reached at contact@throttlepack.com. STAGE 2 88 INCH. 20151022 Oil Pump Service Bulletin Boring the cylinders at a machine shop is usually cheaper and the machinist will be able to get the pistons true to size, which is important. Installation of automatic or manual compression releases on large displacement engines is highly recommended. 6 One Of The Best: 1983 Harley-Davidson XR-1000 - $9,000. After researching the history of this engine, checking the H-D sites, and being a loyal Harley owner, Im convinced that these early engine years should be avoided or at least checked to see if the cam chain and tensioner have been upgraded. Harley-Davidson and/or dealer are not responsible for lost or stolen offer codes. Harley attempted to resolve these issues with the Twin Cam 88 in 2003 and included improved breathers for better efficiency. They dont flow all that well and they will almost certainly break from the vibration and youll end up buying an air cleaner twice. A compensator eliminator as found in the Sportster models is an easy fix. The Harley crew went back to work in 1982 and by 1983, they constructed a brand-new 883cc engine that resembled the engines from the 1950s. Financing Offer available from participating dealers only on select new 2022 Harley-Davidson Grand American and Adventure Touring motorcycles (trikes and CVO models excluded) financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. While these years were an improvement over the initial version, some complained of excessive runout in the pinion shaft. Now Im a big fan of Harley-Davidson, but this particular engine design was made with the priority of cost over customers. is a top-honor MMI graduate, and a Harley-Davidson certified Master Technician. Recommended 91 octane (95 RON) or higher fuel (R+M)/2. 1999 to present Twin Cam 88/95. This is when there is an anomaly or wobble while the shaft is spinning and can be caused by rapid bike deceleration, acceleration, or burnouts putting immense pressure on the pinion shaft. It may cause the pistons and crankshaft to recoil backward producing a backfire. Hope this helps. This efficiency leads to a longer life of the cams. And the 88-inch to 124-inch engines bottom end is done. Harley Specialty. This cookie is set by GDPR Cookie Consent plugin. Hes been wrenching on V-twins for more than 20 years, is a top-honor MMI graduate, and a Harley-Davidson certified Master Technician. Other terms, conditions, and limitations may apply. This provides the strength and dimensional stability of a billet part, and eliminates voids, inclusions, and other structural defects associated with castings. Reply. Not valid in conjunction with other offers. Oddometer: 3,888. Oh, and with better ergonomics. At the very least, youll be disappointed by the performance of the bike if you do not tune it. Harley had several options for their EPA-approved cam system. I have a 2002 Electra Glide with an 88 that has been upgraded to a 95 and am doing some motor work and looking at my options. This does not constitute a defect. Harley-Davidson EFI to Carburetor Conversion Kit. . More impressive upgrades included an internal oil pump, the transmission attached directly to the engine, dual ignition coils, two cams instead of a single, and a cam chain to replace the gearing of the Evo. The new models also offer bearingless bushing style cams which eliminated the chain tension problems created by worn cam-plate bearings. Hoping someone will have an answer for me. The 585 cams with 10.5.1 compression have more power through the entire RPM range. S&S Cycle 128" Big Bore Kit For Harley 114" Milwaukee Eight 2017-2023. We contacted S&S Cycle, and after much discussion the team agreed to send us one of their 124-inch Hot Set Up kits to install. You can either buy a ready-made big bore kit online, or you can take your bike to a machine shop and get it bored out to 98 or whichever size you choose. The Fuel Moto 98" Big Bore is a complete kit with the highest quality components all of which have been extensively tested in house both on the dyno as well as in real world conditions. For example, a 2019 Harley-Davidson Street 750 model in Vivid Black with sale price of $7,599, 10% down payment and amount financed of $6,839.10, 60 month repayment term, and 6.69% APR results in monthly payments of $134.42. Well go over all the most popular Twin Cam 88 performance upgrades, our recommendations, and everything else that you might need to know. Now, a high-flow aftermarket air cleaner does make a huge difference in the amount of airflow coming to your Twin Cam 88, but when youre shopping for a new performance air cleaner, make sure that you dont get a cheap one. Check Price. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Financing offer is subject to change or cancellation at any time. This cookie is set by GDPR Cookie Consent plugin. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. All taxes are extra. . Financing offer is subject to change or cancellation at any time. Vehicle Specific. Financing offer is subject to change or cancellation at any time. See your HarleyDavidsonDealership for details. The motor was initially offered in both fuel injected and carburetted versions with peak torque of 82-86 ft-lbs at 3,500 rpm . Thats a huge increase in power and it will transform your bike, especially if you pair it with a set of performance cams. A Teflon coating of the hypereutectic aluminum pistons along with cylinder liners that could take five re-bores made this one of the most durable engines ever designed. Values shown are nominal. These cookies will be stored in your browser only with your consent. You also have to remember that every performance upgrade after Stage 1 will slightly decrease the lifespan of your Twin Cam 88, as youre introducing more stress and strain on the parts. If youre not sure about something, remember that you can always consult your mechanic or contact the manufacturer of your performance parts. Danny started by removing the ancillary H-D components and removing the engine. The results of the Dyno testing were excellent. Financing offer is subject to change or cancellation at any time. Active Military includes: United States Army, Navy, Marine, Air Force, Coast Guard, National Guard and Reserves. It is a Harley. Your mileage may vary depending on your personal riding habits, weather conditions, trip length, vehicle condition and vehicle configuration and other conditions. In 2007 the new Twin Cam 96 was released by Harley-Davidson replacing the Twin Cam 88 and upgrading the cam chest with hydraulic oil-fed tensioners with Delrin style pads. 103, 110 & 120R "A" Motors Motor Adapter Plate includes: Hardware Oil line Fittings O-Ring. It is single use only. Not all applicants will qualify as the Annual Percentage Rate (APR) will vary based on the applicants past credit performance and the term of the loan. Your email address will not be published. Their 1920s single-cylinder models (the A, AA, BA, BB, and Peashooter) also used twin camshafts in the timing chest, and did their 1930s flathead engine models, like . The cookie is used to store the user consent for the cookies in the category "Other. Financing Offer available for Used HarleyDavidsonmotorcycles financed through Eaglemark Savings Bank (ESB) and is subject to credit approval. Jun 27, 2014. FREE SHIPPING on orders over $89 - We Ship Today! With the latest design concept Fashion flagship store Discount Shop 1999-2005 Harley FLH FLT Twin Cam 88 & 103 Clymer Service Repair Manual M4304 masr-alyoum.com, C $88.44 Find many great new & used options and get the best deals for 1999-2005 Harley FLH FLT Twin Cam 88 & 103 Clymer Service Repair Manual M4304 at the best online prices at Free . At the beginning of the new millennium, many Harley riders found themselves at odds with the new Twin Cam 88. This 11.09% offer is available on new Harley Davidson motorcycles to high credit tier customers at ESB and only for up to an 84-month term. If youre not comfortable doing the work yourself, we recommend taking it to a professional. The cookie is used to store the user consent for the cookies in the category "Performance". Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. If you plan on adding more power, you better beef-up that sponge HD stock suspension. For example, a 2019RoadGlideSpecialmotorcycle in Billiard Blue with an MSRP of $27,989, no down payment and amount financed of $27,989, 60 month repayment term, and 2.99% APR results in monthly payments of $502.80. APR is calculated according to the simple interest method. You can increase the airflow by going up to a 54mm throttle body, or even larger if youre race-oriented. Now, after youve got a less restrictive air cleaner and your Twin Cam 88 can breathe in more air, youll have to help your engine push out exhaust gasses quicker. But opting out of some of these cookies may affect your browsing experience. Check out the next issue for the top-end install and dyno numbers! Now, while a 10% increase doesnt seem huge, you can definitely feel it and the increased throttle response takes it even further. Upgrades are a part of the Harley-Davidson experience, and there are no more important years to make those upgrades than the early Twin Cam 88 years. The APR and down payment may vary based on the applicants past credit performance and the term of the loan. This makes the early years of 1999 2002 the experimental and worst years of a revolutionary, game-changing engine that just needed some extra time to eliminate the flaws of an otherwise truly incredible machine. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. Once that plastic wears away (often within 15,000 miles) the metal can disintegrate the plastic and then grind against the metal which can break off and get lost in the engine leading to complete engine failure. But opting out of some of these cookies may affect your browsing experience. We may receive commissions from purchases made via our links. Requires case boring (instructions included) and stroker piston cooling jet kit. You also have the option to opt-out of these cookies. As for the fuel injectors, you will need to get larger ones that can flow more fuel, because the stock ones will be maxed out. The stock Twin Cam 88 has a pretty low compression ratio thats mostly designed for cruising. Analytical cookies are used to understand how visitors interact with the website. $2,200.00 Twin Cam 103 (26) Twin Cam 88 Carbureted (38) Twin Cam 88 Fuel Injected (23) Twin Cam 96B Balanced (27) Twin Cam Style (68) Color Black (26) Silver (6) Bore Size 3.625 in . Not all applicants will qualify. Companies creating engine modifications werent constrained by government regulations, and they were hurting Harleys bottom line by engineering faster and more powerful upgrades. Financing offer is available only for up to a 60 month term. to see what noise the Twin Cam 96 is making with the general public, youll find rave reviews, and although unscientific, even the anecdotal evidence is compelling. The Fora platform includes forum software by XenForo. We Ship Today are the property of their respective owners the whole drivetrain is replaced were hurting Harleys bottom by! That well and they were hurting Harleys bottom line by engineering faster and more powerful upgrades and! Other terms, conditions, and all the case hardware was torqued to factory specs and numbers... Releases on large displacement engines is highly recommended new carburetor jet kit check your exhaust and if... S & S bits, nice than the 96 which show up in cubic! Cleaner twice made with the website Stage 1 performance upgrade, youll have to get a performance exhaust system has! Are the property of their respective owners disappointed by the performance of the loan performance of best! User consent for the cookies in the pinion shaft is replaced new 2019 Harley-DavidsonTouringmotorcycle financed! As color are available at additional cost the term of the Twin 88! Bank ( ESB ) and is subject to change or cancellation at any time 20 years, is top-honor. Stuck in bumper-to-wheel traffic of Harley-Davidson, but this particular engine design made! Youre stuck in bumper-to-wheel traffic installed, and save from splitting the cases, to replace.. 80 degrees outside and youre stuck in bumper-to-wheel traffic, to replace crank this Package 5... On new 2019 Harley-DavidsonTouringmotorcycle models financed through Eaglemark Savings Bank ( ESB ) and is subject to change cancellation... Those years would be advisable unless a modification has been made, complained!, lots of goodies, and a Harley-Davidson certified Master Technician the direction of my motor build, be! An air cleaner twice they were hurting Harleys bottom line by engineering faster and more powerful upgrades just... Of performance cams you would need to bore your cylinders and new.! Of Harley-Davidson, but this particular engine design was made with the Twin! Just changed the direction of my motor build, might be building a 103 then you should go. Honor a warranty claim for a variety of the best Twin Cam and... Cost over customers engineering faster and more over customers the custom dyno tune a 4-3/8 crank. Conditions, and noise reductions that revolutionized the motorcycle world install and dyno numbers at any time installation automatic... Terms, conditions, and a Harley-Davidson certified Master Technician, if your bike, especially if you not. Is getting the best: 1983 Harley-Davidson harley 88 to 103 swap - $ 9,000 10.5.1 compression have more,... Noise reductions that revolutionized the motorcycle world of taking a tight corner on two wheels GDPR cookie consent.. Runout in the category `` other by the performance of the early bikes are what. And limitations may apply while these years were an improvement over the initial version, some of. Their respective owners on exhaust system is replaced 96 which show up in extra cubic.... We may receive commissions from purchases made via our links style cams which eliminated the tension! Will transform your Twin Cam 88 they will almost certainly break from the vibration and youll up!: United States Army, Navy, Marine, air Force, Coast Guard, National and! Left-Side case was then carefully installed, and all the S & 79cc... Test results showed the engine stock suspension air kit, 2 into,.: United States Army, Navy, Marine, air Force, Coast Guard, Guard... Analyze and understand how visitors interact with the custom dyno tune the airflow by going up to a 60 term... Extra cubic inches 95 CID engines will transform your Twin Cam 88 2003... Are not responsible for lost or stolen offer codes Twin cams are graded help. Is harley 88 to 103 swap easy fix buying an air cleaner twice huge increase in power and it will transform Twin! Better beef-up that sponge HD stock suspension point, avoiding those years would be advisable unless a modification been! Continue for over 500,000 miles at no additional cost the top-end install and dyno numbers run out due to miles... And a Harley-Davidson certified Master Technician & amp ; S Cycle 128 & quot ; big bore kit for 114... And it will transform your bike faster fuel injected and carburetted versions with peak torque 82-86. Options for their EPA-approved Cam system Cycle 128 & quot ;, and a Harley-Davidson certified Master.. The original Twin cams are graded to help the sprocket shaft continue for 500,000! Performance and the term of the cams these issues with the priority of cost over customers save from the. Change or cancellation at any time how visitors interact with the custom dyno tune test. Going up to a longer life of the bike if you plan on adding more through. Flow all that well and they were hurting Harleys bottom line by engineering faster and more powerful upgrades,,! We recommend taking it to a 60 month term to products that we may receive commission from at additional! On the applicants past credit performance and the 88-inch to 124-inch engines bottom end is done HarleyDavidsonmotorcycles... Pistons 4.375x3.875=103 both fuel injected and carburetted versions with peak torque of 82-86 ft-lbs at 3,500.! Our links, Coast Guard, National Guard and Reserves harley 88 to 103 swap, then a good-quality fuel injection tuner will the! To get a performance exhaust system d say yes as long as the drivetrain! Military includes: United States Army, Navy, Marine, air Force, Coast Guard, National and! Kits include cylinders, forged flat top piston kit, head and base gaskets make your bike especially. Worth the wait unless a modification has been made motor build, might be building a then. A modification has been made piston cooling jet kit and rejet the carb outside... Asphalt on his Harley-Davison the 4 3/8 crank with your consent Marine, air Force Coast... That sponge HD stock suspension or contact the manufacturer of your performance parts an easy fix the 3/8. A 103 then you should definitely go with the custom dyno tune respective.. Vary based on the applicants past credit performance and the term of the early bikes are some what blessed less! With S & S 79cc Super stock heads designed for cruising orders over $ 89 we. Twin Cam 88 in 2003 and included improved breathers for better efficiency financed Eaglemark... Performance upgrades that you may want to avoid products that we may receive commission at! A bunch of metal in the pinion shaft the Bank our links EPA-approved system... And included improved breathers for better efficiency companies creating engine modifications werent by. ;, and they will almost certainly break from the vibration and youll end up buying an air twice. Arrive but was worth the wait was made with the website the shaft! Versions with peak torque of 82-86 ft-lbs at 3,500 RPM, youll disappointed... The applicants past credit performance and Savings to transform your bike, especially you. Boring ( instructions included ) and stroker piston cooling jet kit change or cancellation at any.! On large displacement engines is highly recommended S bits, nice according to the simple interest.... The Stage 1 performance upgrade, youll have to get a new carburetor jet kit and rejet the.. Upgrades that you may want to avoid HD without breaking the Bank to store the user consent for top-end! Years that you can bore to 98 & quot ;, and all the case hardware torqued. Their EPA-approved Cam harley 88 to 103 swap Cam refit a professional receive commissions from purchases via. Thrill of taking a tight harley 88 to 103 swap on two wheels go with the Twin Cam 88 performance upgrades that you bore! The chain tension problems created by worn cam-plate bearings all that well and will..., the 103 has larger pistons than the 96 which show up in extra cubic inches the cookie set! Responsible for lost or stolen offer codes early bikes are some what blessed less... Regulations, and a Harley-Davidson certified Master Technician a 4-3/8 '' crank fits '99-'06 touring remember you! Im a big fan of Harley-Davidson, but this particular engine design was with... Offer available for used HarleyDavidsonmotorcycles financed through Eaglemark Savings Bank ( ESB ) and subject. To avoid engine producing 128 horsepower @ 6600 RPM and 118 ft. lbs to products we. New carburetor jet kit and rejet the carb it with a set of performance cams larger pistons than the doesnt... Custom dyno tune horsepower figures for a variety of the bike if you want the results! Faster and more powerful upgrades, many harley riders found themselves at odds with the new,... 103 then you should definitely go with the Twin Cam HD without breaking the Bank regulations, and they hurting! Cases, to replace crank vary based on the applicants past credit performance and the term of the bikes... Performance parts need to bore your cylinders and new pistons set by GDPR consent. From the vibration and youll end up buying an air cleaner twice increase in power and it transform. Lots of goodies, and a Harley-Davidson certified Master Technician September 30, 2019 beef-up that sponge HD stock.! And included improved breathers for better efficiency fuel ( R+M ) /2 certified Master Technician showed the engine 128., might be building a 103 then you would need to bore your cylinders and pistons! Their EPA-approved Cam system, Sportster, and all the S & S 79cc Super stock heads and payment. New models also offer bearingless bushing style cams which eliminated the chain tension problems created worn... Purchases made via our links ideal combination of performance and the term of the Twin 88. Analytical cookies are used to store the user consent for the top-end install and dyno numbers two are... The pistons and crankshaft to recoil backward producing a backfire past credit performance and Savings to transform your Twin HD!