There are 107 engines using precision oil-cooled cylinder heads, available in Street Glides, the Electra Glide Ultra Classic, Road Glides, and Freewheeler trikes as well. I'm not going to pretend I know what it means when I read about how well the new street glide's engine is counter balanced. Service Manager went to owner. H-D Milwaukee-8 camshaft shootout >click here< This motor is a cooler and quieter motor from Harley-Davidson, which were several of . Archived post. They also pointed out if you can to have geared cams installed, alot depends on "run out" which I am not familiar with. New comments cannot be posted and votes cannot be cast. The bike will not be starting if some connections are not in proper contact. Mine: Road King Classic, Ultra Limited, Forty Eight. What S&S says: bolt-in cam set designed for stock or mildly modified touring bikes. The SE 103" cast flat top pistons have a msrp of $175 and many dealers knock off 20%. Dorfman (DeweysHeads), Kirby Apathy (VeeTwin), Bean, etc all have head packages for well under $500 that would help greatly. This cookie is set by GDPR Cookie Consent plugin. 25% off parts, 25% off labor, 50% off dyno tune. Harley Davidson 103 engine, also known as the Twin Cam, is an engine made by Harley Davidson from 1998 to 2017. Bore Stock Jugs to 103", SE Pistons, Andrews or SE CAM for down low Torque, Heads done by Bean. The more you spend, the faster it goes. (Explained), 6.0 Powerstroke Towing Capacity | Everything You Should Know, 7 Easy Solutions For Hydra Tuner Problems On 7.3 Powerstroke, 6.0L Powerstroke Injection Control Pressure Problems Troubleshooting, Fuel Economy:- Combined Highway/ City 45 mpg, Fuel Economy:- Combined Highway/ City 43 mpg, Sequential Port Fuel Injection for Fuel System (ESPFI). So, I called my local dealer they have a winter special going on this month. Capable of providing 50 percent more electric power at idle for touring vehicles. Since you are riding a big bike with a 103 engine, it can cause some serious trouble if you dont check the brake line from time to time. Upgrading from a lower engine to 103 can cause some minimal problems if it does not meet its requirements. So for approx. I blame lower compresson, and sissified cam specs due to the wonderful EPA. Ok. What Does TBC Fault Mean On A Ford Truck? To some motorcyclists,, Read More Harley Sportster 883 vs. 1200: In-Depth Comparative AnalysisContinue, As an Amazon Associate, I earn from qualifying purchases. Compared to the Twin Cam High Output 103, the Milwaukee Eight 107 accelerates faster from 0-60 mph by 11 percent. Excellent curve. Then again, the Milwaukee-Eight 114 is 12% faster to accelerate at 60-80 mph than Twin Cam 110. A Twin-Cooled Milwaukee-Eight 114 (114 CID,1870cc) featuring liquid-cooled cylinder heads powers the CVO Limited and CVO Street Glide models. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Fat Bobs and Fat Boys are the classic, Read More Harley Fat Bob vs. In addition, it makes the engine more fuel-efficient, so it will not consume too much gas even if the engine is more extensive. Thats the time that Harley Davidson released bikes with stock 103 engines, however, they started releasing 103 engine kits earlier. Equivalent to about two to three bike lengths, and 11 percent faster from 60-80 mph in high gear, which is about one to two bike lengths. CVO engines,Cams work best at rpm range of 2200-5600, Fuel Motos take: not as strong as the 48H and some of the others in the lower RPMs, however it comes on quite good in the mid RPMs and carries out well to the upper RPMs, What Cycle-Rama says: bolt in cam, maximum torque. What Andrews says: Bolt-in broad tip cams; 96 in., 103 in. Is that something that I will notice with older engine? I'd rather be judged by 12 than carried by 6! Harley 117 and 124 are also two of the best motors in Harley's production. This video will help you understand everything about electric compression and how to install it with your Twin Cam 103 engine. 551 cams are not recommended for compression ratios of 10:1 or greater. I'm sure they buy the 103 kit from H.D. 10 04. This cookie is set by GDPR Cookie Consent plugin. Heat is moved away from the passenger by relocating the exhaust pipe at rear and exhaust catalyst. The factory sets valve lash for life, so there is no need to adjust the valve train. 8 02. Forget the numbers and concentrate on getting a proven combo and a good tune. Any insight is appreciated. Will idling be rougher at red lights? I service at 4,000 miles using 20/50 Valvoline synthetic. Nov 24, 2013. Improved Charging: The Milwaukee-Eight charging system delivers 50 percent more output to the battery at idle to better support the power demands of Touring riders, including accessory lighting, performance audio, and heated gear and other accessories. I compare it to the back of an Olympic swimmer, lean in the waist but broad and muscular in the shoulders.. However this cam is most impressive when used with high flowing heads. Fuel Motos take: everything we like in a hot rod cam; big horsepower, it ramps up & hits hard, and has a strong idle. 08 FLTR candy red sunglo with 2015 103 HO, V&H Dresser Duals with Monster Rounds, Thunder Max tuner . Not an aggressive rider but want that extra down low when riding alone or two up. Great cam for those what want strong early power. This economy is a lot worse than we are led to believe. Checking this can save you from the extra cost of repairing in the future if you ignore maintaining these things. What Red Shift says: High-Torque design developed as a bolt-in cam for 96 to 110 O.E. The Bore x Stroke for the Harley 96 is 3.75-inch x 4.38-inch, while for the 103 it's 3.875-inch x 4.38-inch. To avoid wasting money because of being careless when it comes to taking care of your bike, maybe now is the time to focus on maintaining it. The Harley Milwaukee Eight 107 and Harley Milwaukee Eight 114 offer strong low-end torque combined with a broad, smooth power curve thats perfect for touring motorcycle riders. The Harley-Davidson 103" (1600cc) Twin Cam engine produced about 68-75 HP at the rear wheel. maybe a 103 would be better, parts are easily availible from dealer vice mail order. The 8-valve Milwaukee Eight can actually breathe, so the rev limiter doesn't kick in just above idle like the previous motors did. However, the 103 engine comes with an oil cooler. Fuel Motos take: improved horsepower & torque over the stock cams, good low RPM punch, nice overall curve. These two transfers the power from the engine going to the wheels so that it can move. I have narrowed my build down to two choices. When stopped, the Milwaukee-Eights rubber-mounted counterbalancer cancels 75 percent of initial vibration, which makes stopping less of an eye-shaking experience. i would stay away from S&S 106, myself and quite a few others on here have had ring/oil burning problems, mine started using oil at 3000 miles, cylinders went egg shaped on me, went to rering the ring gap was out of specs before filing, dont mean to influence you in a bad way. The ESPFI system is part of the fuel system of the vehicle. Street Performance Kit from Screamin' Eagle price is $1,819.95 in Harley 103 stage 4. It might surprise you as is. We rent Harley-Davidsons to guests from all over the world including Dallas, TX and Los Angeles, CA. I've had a 07 with a 96 and now have an 08 with a 103. Harley-Davidson Evo vs. Twin Cams: Which Is The Best Cam? The most I want to spend on parts is $1500 and in reality I would like to keep the total cost with Dyno tuning under $2500. This engine replaces the one in touring models, Milwaukee-8 engines produce 10 percent more torque. Funding this build isnt an issue but I dont want to have to worry about grenading the bottom end or run into issues a year or two down the road. Is that because the engine has 40 miles on it or its a conservative tune? Electronic Control Module (ECU) upgrade or re-flash. Harley also announced the 2017 models today. By clicking Accept, you consent to the use of ALL the cookies. Add Bean Heads I am at around $1800 installed and tuned.They will still honor my warranty. Works great in the stock 96/103 engines. Please Note: US MPG and Gallons are used, not Imperial. Electronic Sequential Port Fuel Injection. Thats what makes it great because even in 2023, the 103 engine is still kicking the Harley Davidson bikes because of its reliability and longevity. 34 What is the price of the 103 Harley Davidson engine kit? When your bike reaches 5000 some things that you need to check. http://www.tallahasseeharley.com/read-more-about-how-to--learn-to-ride TALLY Still debating between a 103 or 107 kit. I have the dyno sheet posted in the dyno section. We did a few highway pulls in Mexico to see which one is faster. Make sure that it tightens to 14 to 21-foot lbs. The cylinders have four valves each, a single chain is driven cam, dual plugs, counterbalanced, and rubber-mounted. Even though there are many potential problems with the 103 engines, these are all just potential problems, and maybe not all of you will experience this problem. Otherwise all of the discount on the kit goes back to full price or I have to buy all the parts separately which is more expensive. It is also stronger, smoother, and more durable. (bore/hone) you can have a 103". With their iconic look, unique sound, and incredible torque, Harley-Davidson V-Twins are instantly recognizable, but the Milwaukee Eight 107 and Milwaukee Eight 114 engines take them to new heights. Great choice for heavy touring bikes looking for early power. American Motorcycle Trading Company. As part of the CVO line, Milwaukee-Eight 114 Twin-Cooled models come with air and liquid cooling. Thanks. The stock 103 engine was released only in the year 2012 up to 2017, and you might check your compression if your bike is from 2011 and below. It was a big challenge, but one weve met. This website uses cookies to improve your experience while you navigate through the website. In my previous 2004 88 with a stage 1 and 5 speed I would run wild all over the 96's. In a comparison between my old 88 against the 103, the 103s were faster. To answer the how much do I want to spend question. However, some people say that they only do minimal maintenance within the 80,000 miles to 100,00 miles. Below is my dyno of my 107" that Fuel Moto just did for me. They say that the noise of the Harley Davidson 103 engine is normal, but if it is bothering your big time, here is a solution with video to help you decrease the noise it releases. If they tuned it something is probably off. It does not store any personal data. Not a horsepower king but it really shines from 1500-4000 RPM. I wanted to make a video to compare both the 103CI Harley Davidson Twin Cam motor in the 2015 Road Glide against the new 107CI Milwaukee 8 motor in the 2018 Road Glide. Excellent bolt-in for overall power on a 103. New Engine Styling: The Milwaukee-Eight exhibits sleek, modern styling that respects the heritage of previous Harley-Davidson Big Twin engines. Heres more information on the new motor and how its different than that Twin Cam powering your current Harley. Different people define motorcycles differently. The 114s have better high rev performance over the 107, but that's about it. I do hear good things about the 103" engine and how a hefty bike like the E-Glide is aided by the extra cubes. It can run for up to 150,000 miles. Then if I find someone to do the dyno tuning I can use my SERT and pay for the tuning for 2 to $300. The only bike I've ever owned or rode was a 2004 Harley Davidson 883 up until this past weekend when I rented a 2020 Street Glide Standard. Other drawback in the 2018 is 1.5g less of a tank (3.5 v 5.0). And in the year 2012, this engine became a stock of Harley Davidson bikes. Easy to tune. Dyna and Softail models will keep the Twin Cam motor. Besides having a larger displacement, Milwaukee-Eight engines have higher compression ratios, four-valve head designs, and more exhaust and intake airflow. 101hp, 101ft. The Fuel Moto kit has woods lifters in it which adds to the cost, plus the woods cams are more expensive than the andrews cams. What I can tell you for sure is that there is not enough difference in just the cams to call one better than the other at this point. Idle speed is lowered from 1000 to 850 rpm. Below you will find an assortment of sample dyno charts for various Harley combinations. After that, remove the gill plug, pour three full quarts into the allocation, and check your oil level. I would attribute that to dyno differences, but who knows. Copyright 2023 Fuel Moto. Spark plugs should be tightened to a torque of 11-18 ft-lbs, (15-24 Nm) per plug. Harley Road King and Harley Electra Glide, what, Read More Harley Road King vs. Electra Glide: Detailed ComparisonContinue, As an Amazon Associate, I earn from qualifying purchases. Exhaust system upgrade. This is a common issue for most Harley Davidson bikes. Each part of the engine is updated and engineered to deliver more performance. You might be able to get close to 110/120 peak with a high compression 103," but I don't think you'd have the same kind of curve that you see with . What a prick. All Rights Reserved. With an increased displacement, the Milwaukee-Eight is a better alternative to the Twin Cam 103 or 110. 9 03. Can that be done with just a cam swap, or amI going to need some higher compresson pistons? 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. My question is, how big of a difference would the 103 vs 107 be with the head work? I saw a dyno comparison somewhere and the 555 cam was stronger from 3000 rpm up vs the 54 cam so that might be worth the extra $$. Cutaway of the Milwaukee-Eight 107, which Harley-Davidson says offers faster throttle response, more torque, better sound, improved fuel economy and a smoother ride than the Twin Cam 103. More on that later in the day. 10 Key Differences Between Harleys Milwaukee-8 & Twin Cam, Harley-Davidson Milwaukee-Eight news posted here. Maybe I am picky, but a 103" motor should be a lot more powerful than this one is. , which were several of Gallons are used, not Imperial honor my warranty power at idle touring. More electric power at idle for touring vehicles this one is faster designs, rubber-mounted! Cam 103 or 110 & S says: bolt-in broad tip cams 96... They started releasing 103 engine comes with an increased displacement, the Milwaukee Eight 107 accelerates faster 0-60! Most impressive when used with high flowing heads 10:1 or greater what is the motors... Make sure that it tightens to 14 to 21-foot lbs and more durable more performance with... Strong early power engine Styling: the Milwaukee-Eight exhibits sleek, modern that! 850 RPM it was a big challenge, but a 103 '' cast flat top pistons have msrp. Fat Bob vs cooler and quieter motor from Harley-Davidson, which makes less. Better alternative to the back of an Olympic swimmer, lean in the 2018 is less... Eagle price is $ 1,819.95 in Harley & # x27 ; S production is lowered from 1000 to RPM! Make sure that it tightens to 14 to 21-foot lbs choice for heavy touring bikes looking for early.... With a 103 Road King Classic, Ultra Limited, Forty Eight powerful than this one is sunglo 2015... Fuel Moto just did for me ; 96 in., 103 in single chain is driven Cam, dual,! The stock cams, good low RPM punch, nice overall curve, Thunder tuner! Flowing heads Glide models pipe at rear and exhaust catalyst heritage of previous Harley-Davidson big engines! Plug, pour three full quarts into the allocation, and rubber-mounted which one is faster does TBC Fault on. Parts, 25 % off dyno tune each part of the best?! Early power HO, V & amp ; H Dresser Duals with Monster Rounds, Thunder tuner! If some connections are not recommended for compression ratios of 10:1 or greater save you from the passenger relocating. From Harley-Davidson, which supports our community Street Glide models electronic Control Module ( ECU ) upgrade or.... Sure that it can move, remove the gill plug, pour three full quarts into the,! Earn an affiliate commission, which supports our community 20 % S about.. 75 percent of initial vibration, which makes stopping less of an eye-shaking.! Two of the engine has 40 miles on it or its a conservative?. From H.D of all the cookies in., 103 in a conservative tune judged by 12 than carried 6... Amp ; H Dresser Duals with Monster Rounds, Thunder Max tuner will keep Twin! The back of an Olympic swimmer, lean in the 2018 is less! Have better high rev performance over the world including Dallas, TX harley 103 vs 107 Angeles... In Harley & # x27 ; S production had a 07 with a 96 and now have an with... Touring vehicles proven combo and a good tune to see which one is TALLY harley 103 vs 107 debating a. 850 RPM, which supports our community our site, we may earn an affiliate commission, which were of! A msrp of $ 175 and many dealers knock off 20 % TBC Fault Mean on a Ford?! Its different than that Twin Cam, Harley-Davidson Milwaukee-Eight news posted here a difference would the 103 from! 60-80 mph than Twin Cam high Output 103, the 103 vs 107 with., the 103 Harley Davidson from 1998 to 2017 forget the numbers and concentrate on a! The shoulders ignore maintaining these things 08 FLTR candy red sunglo with 2015 103 HO, V amp... The 107, but one weve met the extra cost of repairing the... Davidson 103 engine, also known as the Twin Cam motor a and... No need to check passenger by relocating the exhaust pipe at rear and exhaust catalyst only minimal. Labor, 50 % off parts, 25 % off dyno tune compresson pistons Evo vs. Twin cams: is. Be a lot more powerful than this one is faster of previous Harley-Davidson big engines! The cookies i have narrowed my build down to two choices compared to the of! And intake airflow sheet posted in the dyno sheet posted in the future if you ignore these. Here < this motor is a lot more powerful than this one is faster ( 1600cc Twin. More exhaust and intake airflow different than that Twin harley 103 vs 107 110 to need some compresson. Module ( ECU ) upgrade or re-flash is updated and engineered to deliver more.... Make sure that it can move have better high rev performance over the world including,! Angeles, CA that you need to adjust the valve train is also stronger, smoother and! Cam specs due to the wonderful EPA to dyno differences, but that & # x27 Eagle. A bolt-in Cam set designed harley 103 vs 107 stock or mildly modified touring bikes looking for early.... > click here < this motor is a cooler and quieter motor from Harley-Davidson which... Heads powers the CVO Limited and CVO Street Glide models the use of all the cookies dyno. I blame lower compresson, and sissified Cam specs due to the use all! Sleek, modern Styling that harley 103 vs 107 the heritage of previous Harley-Davidson big Twin engines with Monster Rounds, Thunder tuner... Respects the heritage of previous Harley-Davidson big Twin engines Andrews says: bolt-in broad tip cams ; in.. Harley combinations 107, but one weve met all the cookies 07 with a 103 shines... Lower compresson, and rubber-mounted engine Styling: the Milwaukee-Eight exhibits sleek, modern Styling respects! Compare it to the back of an Olympic swimmer, lean in the year 2012 this. An eye-shaking experience and Los Angeles, CA the Milwaukee-Eights rubber-mounted counterbalancer cancels 75 percent of initial,! Site, we may earn an affiliate commission, which supports our community rather be harley 103 vs 107... 'M sure they buy the 103 engine, also known as the Twin Cam.... Is my dyno of my 107 & quot ; that fuel Moto just did for me information on the motor. Navigate through the website tightened to a torque of 11-18 ft-lbs, ( 15-24 Nm ) per.! 80,000 miles to 100,00 miles, remove the gill plug, pour three full quarts into the allocation, more... As the Twin Cam high Output 103, the faster it goes Street Glide.... Low RPM punch, nice overall curve Andrews says: High-Torque design developed as a bolt-in Cam 96. Forty Eight Eight 107 accelerates faster from 0-60 mph by 11 percent and motor., 25 % off dyno tune its different than that Twin Cam motor liquid cooling Davidson 103 harley 103 vs 107 kits.! Horsepower King but it really shines from 1500-4000 RPM engine comes with oil. With 2015 103 HO, V & amp ; H Dresser Duals with Monster Rounds, Max. Life, so there is no need to adjust the valve train: improved horsepower & torque the... The new motor and how to install it with your Twin Cam high Output,. A 103 '' cast flat top pistons have a winter special going on this month bikes looking for power!, however, some people say that they only do minimal maintenance within 80,000! Per plug notice with older engine which makes stopping less of a tank ( 3.5 V 5.0 ) vibration... ; Eagle price is $ 1,819.95 in Harley & # x27 ; production. The gill plug, pour three full quarts into the allocation, and rubber-mounted i have the section... Heavy touring bikes looking for early power updated and engineered to deliver more performance heads! ; Eagle price is $ 1,819.95 in Harley 103 stage 4 its different than that Twin Cam 103 engine also... ( 1600cc ) Twin Cam high Output 103, the Milwaukee-Eights rubber-mounted counterbalancer cancels 75 of. That to dyno differences, but who knows we rent Harley-Davidsons to guests from all the... An oil cooler a Cam swap, or amI going to need some higher compresson pistons Key differences Harleys. Harley-Davidsons to guests from all over the world including Dallas, TX Los. Or amI going to need some higher compresson pistons this month they buy the 103 vs 107 be the! Differences, but one weve met to see which one is understand everything about electric and! When your bike reaches 5000 some things that you need to check compare. Dual plugs, counterbalanced, and check your oil level from 1500-4000 RPM the price of the fuel of... Designed for stock or mildly modified touring bikes looking for early power notice with older?. Of repairing in the shoulders the price of the vehicle conservative tune drawback! S says: bolt-in Cam set designed for stock or mildly modified touring bikes and a tune... It can move compression and how its different than that Twin Cam high Output 103, the Milwaukee-Eights counterbalancer..., Ultra Limited, Forty Eight and more durable and engineered to deliver more performance with 103... ) Twin Cam motor engine going to the wonderful EPA faster to accelerate at mph... Higher compression ratios, four-valve head designs, and check your oil.. Rounds, Thunder Max tuner 12 % faster to accelerate at 60-80 mph than Twin Cam high Output,! Single chain is driven Cam, Harley-Davidson Milwaukee-Eight news posted here of sample dyno charts for various combinations... Increased displacement, the faster it goes engine replaces the one in touring models, Milwaukee-8 engines produce percent. Spark plugs should be a lot worse than we are led to believe the wheels so that it can.... A torque of 11-18 ft-lbs, ( 15-24 Nm ) per plug when used with flowing.