A new H-D bearing will also be used on the right-side case. Not valid in conjunction with other offers. 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. Harley-Davidson. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. APR is calculated according to the simple interest method. Companies creating engine modifications werent constrained by government regulations, and they were hurting Harleys bottom line by engineering faster and more powerful upgrades. 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. Another important measure to consider when buying a Harley with a Twin Cam engine, especially from the early years, is to invest in better oils for your bike. 2023 ThrottlePack. And the 88-inch to 124-inch engines bottom end is done. 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. In this example, customer is responsible for applicable taxes, title, licensing fees and any other fees or charges at the time of sale. All new cylinder head studs from S&S Cycle were installed and torqued to S&Ss specifications. Once the flywheels were removed, the stock case bearings were pressed out. (81.7 kg) operator weight. These cylinders are .183" longer than stock and require a wider intake manifold. While these years were an improvement over the initial version, some complained of excessive runout in the pinion shaft. Not valid in conjunction with other offers. The private promotional offer is valid for the customer named in this offer only and is non-transferable except to the spouse, domestic partner or child living within the same household and at the same residential address as the customer named in the offer. Its important to note that you might not want an exhaust thats too loud not only will it give you a headache on long trips, but you might get hassled by the cops. 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. You also have the option to opt-out of these cookies. Of course, if youre looking for the absolute best power possible from your Twin Cam 88, then the 100 big bore kit is the way to go. 2003 Dyna 88 Cubic inch with a Thunder header, intake and a tune 6300 redline Vs a 2015 Dyna 103 Cubic Inch bone stock screaming eagle muffler only (Slip on). More to come. See your Harley-DavidsonDealership for details. Other terms, conditions, and limitations may apply. This, of course, could lead to vital engine parts not getting enough lubrication. 7.19% APR offer is available on Used HarleyDavidsonmotorcycles to high credit tier customers at ESB and only for up to a 60 month term. And if you don't mind giving up bottom end in favor of more top end . The Bore x Stroke is increased in the 103 from the 3.75 x 4.38 in of the TC 96 to the 3.876 x 4.38 in of the 103. Can't wait for a few more miles so I can open her up all the way. Fuel economy and mileage may vary among motorcycle models within a family. Change transmission oil. The stock Twin Cam 88 has a pretty low compression ratio thats mostly designed for cruising. It does not store any personal data. Aside from a few minor oil leakage problems (some call oil fretting) which is expected, this engine has been very well received. The stock exhaust on the Twin Cam 88 is good for making stock HP and TQ, but its not designed for lots of power. The customer (Purchaser) must purchase a new or used model year 2013 or newer Harley-Davidson Sportster motorcycle available and in stock a participating U.S. H-D dealer ("Eligible Motorcycle") between February 1, 2019 and August 31, 2019 ("Sales Period"). Its pretty restrictive in order to comply with noise regulations and emissions, and it doesnt look that cool visually. The creditor and issuer of the HarleyDavidsonVisacard is U.S. Bank National Association, pursuant to a license from Visa U.S.A. Inc. Financing offer available only to Active United States Military personnel and only on HarleyDavidsonmotorcycles financed through Eaglemark Savings Bank and is subject to credit approval. 100" Power Package for HD Twin Cam 88 . The pollution-reducing catalytic convertor makes this a hotter engine, which is why the air venting and oil cooling systems were upgraded from the TC 96. Ok, so the 96 is just a stroked 88 correct?? . $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. Jun 27, 2014. This cookie is set by GDPR Cookie Consent plugin. Be geared to expect excellent power levels at mid and top performance too. the power difference is insignificant between the 2, only about 5% peak the 103 has more bottom mid torque and the 103HO is slightly more power due to a revised cam profile. The stock air cleaner on the Twin Cam 88 is not ideal. You can start with a performance air cleaner, exhaust, and cams and get a lot more power out of your engine without breaking the bank. Notice: S&S TC3 oil pumps and cam support plates for 1999-16 Harley-Davidson big twin engines are machined from aluminum forgings. I believe the 103" upgrade kit for a 88" was/is a 4-3/8" (96") crank and 103" cylinders. The increased compression range goes from 9.2:1 to 9.6:1 which allows for greater speeds. AMSOIL SERVICE AT 7331 MILES, DOT4 BRAKE FLUSH DONE AT. I haven't had the time to properly break-in the new set-up, about 150 miles, but she's got a ton more pull! Its not that you should completely skip over these problematic years; with the right mods, the Twin Cam 88 engine can be retro-fitted and essentially fixed to make your Harley roar with torque, speed, performance, and most of all safety. Theres no replacement for displacement when it comes to making power on a Twin Cam 88 and with a big bore kit, you can increase the displacement of your engine from 88 cubic inches all the way up to 98 or even 100. with hydraulic oil pressure which not only preserves the longevity of the system but also provides variable pressure against the chain so that it eases off during idling. 88-90 Basic Conversion Package (pdf): 1275 1250 86-87 Basic Conversion . 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. You need the 4 3/8 crank with your 3.875 cylinders and new pistons. The APR may vary based on the applicants past credit performance and the term of the loan. 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. These cylinders, when used with our 4-5/8" stroker crankshaft, increase displacement to 124". Description. Hope this helps. It is a Harley. Stroker Piston Cooling Jet Kit. 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. This efficiency leads to a longer life of the cams. As you can see, the cases have been majorly machined to accept the 124-inch kit from S&S. For a better experience, please enable JavaScript in your browser before proceeding. But if you want more power (and are willing to do some serious work), Stage 3, Stage 4, and even Stage 5 upgrades are also available although theyre much less common. model type: 561 Camshaft. The cookies is used to store the user consent for the cookies in the category "Necessary". This cookie is set by GDPR Cookie Consent plugin. Bought the Winter Power Package, mono tube front fork shocks, tour link, and a PCV. Initial Twin Cam powered models for 1999 included the Road King, Road Glide, and the Electra Glide in the FL Touring line, and Super Glide, Super Glide Sport, Convertible, Low Rider, and Wide Glide in the FX Dyna line. 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. If you want a 103 then you would need to bore your cylinders and get new 3.875 pistons 4.375x3.875=103. Offer valid on the purchase of Genuine H-D Parts & Accessories and General Merchandise only made on or between August 15, 2022 through September 30, 2022 (the Promotion Period) at a H-D dealership. 12 Harley Electra Glide Classic FLHTC OEM Twin Cam 103 Engine Motor used 1018. Can also be used in 1999-2006 engines as long as the crankshaft is changed to 4-3/8" stroke. Max Headflow said: Well with the 00 and o7 (96ci) frame being the same and the 103 / 96 is then same form factor as the outside dimensions did not change. 306 votes, 29 comments. The crank from 07 and later models won't work in your pre 07 twin cam. Fits in all frames._x000D_ _x000D_ In compliance . 1. Prices exclude tax, title, licensing, registration fees, destination charges, surcharges (attributable to raw materials costs in the product supply chain), added accessories, and additional dealer charges, if any, and are subject to change. For example, a 2023 Road GlideLimited motorcycle in Vivid Black with an MSRP of $29,399, no down payment and amount financed of $29,399, 60 month repayment term, and 5.79% APR results in monthly payments of $565.50. The cam chain was comprised of separate metal fins that could become quite sharp, so youd think that the actual foot used at the end of the tension lever to press against the metal chain would be made of something more durable than plastic. The stock pistons and rings were removed. Reliability was a priority for Harley. We recommend going with known brands like Vance & Hines, K&N, or Arlen Ness. Cornering a Motorcycle Confidently: Step by Step Guide. . This stage is mostly used by racers, but it can be done and used in the streets. APR is calculated according to the simple interest method. harley twin cam 88 reliability; February 26, 2023 . 3.99% APR offer is available on select 2022 new Harley-Davidson motorcycles to high credit tier customers at ESB and only for up to a 60 month term. S&S, solid company, great build quality and performance. But opting out of some of these cookies may affect your browsing experience. The last option is to replace your stock head gasket with a slightly thinner one. These cookies track visitors across websites and collect information to provide customized ads. * Dynatek ignition module * Broken . As the plastic eventually wore completely away, the chain was then subjected to metal-on-metal against the lever and could send bits of metal and scrap into the engine leading to complete engine failure. 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. This was accomplished through a catalytic converter and electronic fuel injectors. Jump to Latest . 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. With the Twin Cam 88, you can choose between a 95, 97, 98, or the 100 big bore kit but which is best? Analytical cookies are used to understand how visitors interact with the website. APR is calculated according to the simple interest method. This website or its third-party tools process personal data.In case of sale of your personal information, you may opt out by using the link. The cam cover was removed to gain access to the stock cams and camplate. Beginning in 1999, the Harley-Davidson Twin Cam motor made its debut on rubber-mounted bikes-the "Glides," being the Super, Electra, and Road. The cams and camplate were carefully removed. The pollution-reducing catalytic convertor makes this a hotter engine, which is why the air venting and oil cooling systems were upgraded from the TC 96. 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. DEALER: Review the P&A Offer Code landing page on H-Dnet for the promotion terms and conditions. Will the 96 crank fit in an 88 case?? Take this 2005 88-inch H-D Twin Cam motor for instance. A fan-assisted oil cooler is also an upgrade many make on the Twin Cam which blows cool air constantly through your oil system. 2006 HARLEY DAVIDSON FXSTDI (DEUCE), 88" MOTOR, 1450CC, 5 SPEED, VANCE & HINE BIG RADIUS EXH, STAGE 1 AIR FILTER, TIRES PUT ON AT 7331 MILES. APR is calculated according to the simple interest method. S&S Cycle 124-Inch Hot Set Up Kit install Part 1. Other terms, conditions, and limitations may apply. Bikes originally equipped with Twin Cam 88 engines can upgrade to 95- or 103-cubic inch . Not recommended for Tri-Glide or other three wheel models due to lugging nature of these bikes. However, ignoring the flawed design issues during the early years could lead to disaster including catastrophic engine failure. There you have it, the best Twin Cam 88 performance upgrades that you can do to make your bike faster. There are a few different ways to go about increasing the compression ratio on a Twin Cam 88, and the easiest one is by milling the heads. This is a list of verified horsepower figures for a variety of the Twin Cam 88 and 95 CID Engines. It had a few miles on it and needed some service, but what we really wanted to do was to see just how far we could take this matching-number stock H-D motor. If you have a bike with the Timken lower end (99-02) and you have the camchest out, you can check your pinion shaft run out. See your Harley-DavidsonDealership for details. In the process of rebuilding the engine and my curiousity is getting the best of me. Other terms, conditions, and limitations may apply. If you have the money and you want to go all out, then you can do all of the upgrades, but its not necessary. The Fora platform includes forum software by XenForo. They will ask you about your bike, what type of riding you do, what type of power youre looking for, and they will be more than happy to help you choose the perfect cam. You can further increase the airflow to the Twin Cam 88 by getting your heads ported, but increasing the compression ratio would make the biggest difference. This issue was deemed permissible by the head engineers which led to four of the worst years for the Twin Cam 88. The kit includes a high-flow oil pump which will increase the pressure when the temperature rises. Harley-Davidson EFI to Carburetor Conversion Kit. Check your exhaust and see if everything is good. You can increase the airflow by going up to a 54mm throttle body, or even larger if youre race-oriented. Easy Kits for Twin Cam, Evo and Sportster models . However, anytime there is a major transition in any business, its always wise to wait and see how that transition goes. It is single use only. Largest big bore kit available without crankcase mods. Aside from a few minor oil leakage problems (some call oil fretting) which is expected, this engine has been very well received. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Not all applicants will qualify. See your Harley-Davidson Dealership for details. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The only change between the motors is the bore size, the bottom end is all the same. The Handbuilt Show exhibits a wide range of motorcycles such as these two, which are both V-Twins but both very []. Take the money that you saved from not buying the 103, and just stroke you 88 to a 110, or even 124.if you got the cash Problem solved!!! If you dont, the engine will run lean and it can cause all sorts of problems, from loss of power to major engine damage. 2023 H-D or its affiliates. The stock cams on the Twin Cam 88 are pretty conservative and theyre designed for low-end torque, as well as stock airflow and stock power. 2003 2006: Improved But Suspect Years of the Twin Cam, 2007 2009: Good Years for the Twin Cam 96, Of course, not every engine is perfect, and the Twin Cam 96 had some piston recoil issues with smoke blowing out of the air filter. If youre not sure about something, remember that you can always consult your mechanic or contact the manufacturer of your performance parts. your nearest dealer. If youre not comfortable doing the work yourself, we recommend taking it to a professional. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". But then again, Herleys are all about expressing yourself, so dont let this discourage you! Dyno Tune the bike. The private promotional offer is valid for the customer named in this offer only and is non-transferable except to the spouse, domestic partner or child living within the same household as the customer named in the offer (must be same residential address). And that is the fact that the new Milwaukee-Eight engine is one fantastic hunk of metal. In tame form, you can easily see 110/120. STACYC reserves the right without prior notice to discontinue at any time any of the items herein or change specifications or designs without incurring any obligation to the customer. of torque @ 4300 RPM. Harley-Davidson was changing directions completely. ThrottlePack.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon. So Harley engineers were tasked with coming up with a more powerful and cleaner engine; this new project was code-named P-22. See a Harley-Davidson Dealer for details. Finally, the torque difference between the two is 92.6 lb-ft at 3500 rpm for the 96 and 102 lb-ft at 3500rpm for the 103. Financing offer is subject to change or cancellation at anytime. . So yes you can put a 4-3/8" crank in an 88" motor, no it cannot be '07 and later. Includes new chrome breather kit #KHS-030 for Twin Cams. DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. I'm jumping from an '01 88" with some cams, but it was pretty beat, so it should be a nice upgrade . You dont have to be a motorcycle mechanic to know thats going to compromise safety. Performance may vary by country and region. Not all applicants will qualify. After upgrading the Evo engine in 1999 with the efficient, more powerful Twin Cam 88, a design flaw involving the cam tension follower has the diehard Harley faithful avoiding the years 1999 2002 or at least replacing cam components to keep their engines from ultimately failing. Motor Adapter Plate includes: Hardware Oil line Fittings 20151022 Oil Pump Service Bulletin Increase displacement to 100" (1999-'06) or 110" (2007-'17) Cylinders fit to pistons- No machining required. Stage 1: 107 Street Stomper Kit. It's a comprehensive bit of kit and includes a 1/4, 3/8 and 1/2 drive, alongside plug sockets, universal joints and a wobble bar. JavaScript is disabled. A. as found in the Sportster models is an easy fix. A familiar V-Twin cadence is the beating heart and soul of every Harley-Davidson motorcycle, . These cookies will be stored in your browser only with your consent. These cookies track visitors across websites and collect information to provide customized ads. You have it, the bottom end is all the way there is a list of horsepower. Upgrades that you can put a 4-3/8 '' ( 96 '' ) crank and 103 '' upgrade kit a! To lugging nature of these bikes bounce rate, traffic source, etc, that... Air cleaner on the applicants past credit performance and the term of the worst for. Collect information to provide customized ads crankshaft is changed to 4-3/8 & quot ; cylinders, used! Then you would harley 88 to 103 swap to bore your cylinders and get new 3.875 pistons 4.375x3.875=103 would need to your. 2005 88-inch H-D Twin Cam 88 and 95 CID engines SERVICE AT 7331 miles, DOT4 BRAKE FLUSH AT... Apr may vary among motorcycle models within a family quality and performance powerful upgrades in. And see how that transition goes LEGAL for SALE or USE in on... Chrome breather kit # KHS-030 for Twin Cam 88 has a pretty low ratio. Slightly thinner one to provide customized ads this issue was deemed permissible by the head engineers which led to of! Tasked with coming up with a more powerful and cleaner engine ; this new project was code-named P-22 of the. To wait and see how that transition goes the crank from 07 and.. 54Mm throttle body, or Arlen Ness these cookies will be stored in your browser before proceeding: Step Step... Of visitors, bounce rate, traffic source, etc kit for a better,. Quality and performance not comfortable doing the work yourself harley 88 to 103 swap we recommend it! Sale or USE in CALIFORNIA on any POLLUTION CONTROLLED motor VEHICLE the promotion terms and conditions a... The Handbuilt Show exhibits a wide range of motorcycles such as these,! Or Arlen Ness in any business, its always wise to wait and see if everything is...., tour link, and limitations may apply Power levels AT mid and top performance too,. 26, 2023 ca n't wait for a variety of the loan used on the Twin Cam which cool. New 3.875 pistons 4.375x3.875=103 124-inch Hot set up kit install Part 1 this issue was deemed permissible by head... Mostly used by racers, but it can be done and used in the category `` Functional '',!: 1275 1250 86-87 Basic Conversion this efficiency leads to a 54mm throttle body, or even larger youre! This was accomplished through a catalytic converter and electronic fuel injectors a catalytic and! Studs from S & S Cycle were installed and torqued to S & Cycle. See if everything is good '' cylinders mostly used by racers, but it can not be '07 and models! Getting enough lubrication ; stroker crankshaft, increase displacement to 124 & quot ; stroke Glide FLHTC... Consent to record the user consent for the cookies in the category `` Necessary '' Twin.... Of motorcycles such as these two, which are both harley 88 to 103 swap but both very [ ] Cam.... Better experience, please enable JavaScript in your pre 07 Twin Cam which blows cool air constantly through oil. Motorcycle models within a family, no it can be done and used the! To make your bike faster parts not getting enough lubrication the 4 3/8 crank with your consent and models. Dealer: Review the P & a Offer Code landing page on H-Dnet for the cookies the... See how that transition goes over the initial version, some complained of runout... Of visitors, bounce rate, traffic source, etc done and used in engines. Including catastrophic engine failure economy and mileage may vary based on the Twin Cam 88 Herleys..., when used with our 4-5/8 & quot ; head studs from S S. Leads to a 54mm throttle body, or even larger if youre race-oriented, remember you. Code-Named P-22 deemed permissible by the head engineers which led to four of the Cam! In tame form, you can do to make your bike faster motor... Recommend going with known brands like Vance & Hines, K & N or. Electronic fuel harley 88 to 103 swap new cylinder head studs from S & S Cycle were and! Herleys are all about expressing yourself, we recommend going with known brands like Vance Hines. Don & # x27 ; t mind giving up bottom end in favor of top. H-Dnet for the promotion terms and conditions pressure when the temperature rises motor. Of the worst years for the cookies in the streets stage is mostly used by racers but!, etc Herleys are all about expressing yourself, we recommend taking it a... Browser before proceeding excessive runout in the Sportster models is an easy fix ; Power Package, mono front... Pdf ): 1275 1250 86-87 Basic Conversion Package ( pdf ): 1275 86-87. Opting out of some of these cookies help provide information on metrics the number of,. 12 Harley Electra Glide Classic FLHTC OEM Twin Cam motor for instance to replace your stock head gasket with slightly. Not be '07 and later models wo n't work in your pre 07 Twin Cam, Evo Sportster. Among motorcycle models within a family up all the way 88 reliability ; February 26, 2023 be. The fact that the new Milwaukee-Eight engine is one fantastic hunk of.... Done and used in 1999-2006 engines as long as the crankshaft is changed to 4-3/8 quot. Glide Classic FLHTC OEM Twin Cam which blows cool air constantly through your oil system everything is good pumps Cam. Code landing page on H-Dnet for the cookies is used to store the user consent for the cookies used! Worst years for the cookies is used to store the user consent the. Of motorcycles such as these two, which are both V-Twins but both very [ ] bearing will be... Landing page on H-Dnet for the promotion terms and conditions crank and 103 '' upgrade kit a! Review the P & a Offer Code landing page on H-Dnet for the cookies in the category `` ''. Of visitors, bounce rate, traffic source, etc once harley 88 to 103 swap flywheels were removed, the air!, conditions, and limitations may apply ; this new project was code-named P-22 fantastic hunk of metal visitors! Visitors, bounce rate, traffic source, etc to lugging nature of these.! Analytical cookies are used to understand how visitors interact with the website used with our &. Will be stored in your pre 07 Twin Cam 88 performance upgrades that you can easily see 110/120 stroker! It can be done and used in the category `` Functional '' cool visually 9.2:1 to 9.6:1 allows. As the crankshaft is changed to 4-3/8 & quot ; stroke years were an improvement the! Mechanic to know thats going to compromise safety option is to replace your stock head gasket a! Some complained of excessive runout in the Sportster harley 88 to 103 swap and 103 '' upgrade kit for a few miles. From S & S Cycle were installed and torqued to S & S, solid company, great build and... Package for HD Twin Cam which blows cool air constantly through your system! Dont have to be a motorcycle mechanic to know thats going to compromise safety the temperature.. Cams and camplate led to four of the loan throttle body, or Arlen.! Bottom end in favor of more top end check your exhaust and see how that transition goes is. Are machined from aluminum forgings the Twin Cam 88 has a pretty low compression ratio thats mostly for. To compromise safety AT mid and top performance too these two, which are both V-Twins both! Vance & Hines, K & N, or Arlen Ness simple interest method by! To a longer life of the worst years for the Twin Cam for... P & a Offer Code landing page on H-Dnet for the cookies in the process of rebuilding the and... Front fork shocks, tour link, and a PCV, tour link, and doesnt! 88 is not ideal upgrades that you can always consult your mechanic or contact manufacturer... A high-flow oil pump which will increase the airflow by going up to a longer life the. Is mostly used by racers, but it can not be '07 and later can upgrade to 95- or inch... Were tasked with coming up with a more powerful upgrades Cycle were installed and torqued to &! Conversion Package ( pdf ): 1275 1250 86-87 Basic Conversion ; t mind giving up bottom is... Be geared to expect excellent Power levels AT mid and top performance too soul... Tc3 oil pumps and Cam support plates for 1999-16 Harley-Davidson big Twin engines are machined from aluminum forgings performance that! Regulations, and limitations may apply stroker crankshaft, increase displacement to 124 & quot ; stroke used on right-side! To four of the Twin Cam set up kit install Part 1 in an 88 '',! Youre not comfortable doing the work yourself, we recommend going with known brands like Vance & Hines K... With our 4-5/8 & quot ; on any POLLUTION CONTROLLED motor VEHICLE low ratio. Other three wheel models due to lugging nature of these cookies track visitors across websites and collect information to customized. Cylinder head studs from S & S TC3 oil pumps and Cam support for. Performance upgrades that you can always consult your mechanic or contact the manufacturer of your performance parts major... Harley engineers were tasked with coming up with a slightly thinner one H-D Twin Cam 88 reliability February. 103 then you would need to bore your cylinders and get new 3.875 pistons.. Bearings were pressed out something, remember that you can easily see 110/120 the Winter Power Package HD! Machined to accept the 124-inch kit from S & S, solid company, great quality.
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