Ok. He wont honor the warranty with the headwork. Harley has also confirmed that each head will have 4 valves, hence the name Eight (Milwaukee stands for the obvious): Millions of miles and countless hours of testing have proven this system. The Fora platform includes forum software by XenForo. Great cam for those what want strong early power. Jump to Latest Follow . In the case of Milwaukee-Eight 107, it can gain faster speed by 11% at 0-60 mph than Twin Cam 103. Bore Stock jugs to 107" go with the Fuel Moto Package which has woods 555 cams, Woods lifters, Wiseco Pistons, and heads done by bean. Is that something that I will notice with older engine? I service at 4,000 miles using 20/50 Valvoline synthetic. So for approx. We did a few highway pulls in Mexico to see which one is faster. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The correct amount of air in the tire is crucial not only for the performance but also for your safety. Or do the 107 without headwork. A new knock sensor for each cylinder enables more-precise timing control. Harley 103 Vs 107 Reliability. The price of the 103 engine today is $1,899 without any professional fee for installation. The Harley Davidson 103 engine is a superb engine from Harley Davidson. 103's/107's can be a ton of fun as well, depends on your needs. I have built a few 54 setups and have only ridden one 555 build and read a few dyno sheets on the web. For a better experience, please enable JavaScript in your browser before proceeding. Fat Bob: Which One Make You Stylish, Harley Stage 3 vs. 101hp, 101ft. We proudly serve guests from Tallahassee, Quincy, Perry, Madison, Midway, Scotland, Havana, Woodville, Capitola, Centerview, Meridian, Crawfordville, Havana, Hison, Calvary, Wakulla Springs, Newport, Port Leon, Cody, Wacissa, Capps, Drifton, Monticello, Shady Grove, Greenville, Saint Augustine, Boca Raton, Boynton Beach, Stuart, Davenport, Hampton Springs, Marysville, Cypress, Bainbridge, Fort Lauderdale, Bloutstown, Lake City, Apalachicola, Thomasville, Cairo, Valdosta, Atlanta, Dothan, Enterprise, Albany, Columbus, Ocala, Port Saint Lucie, Gainesville, Navarre, Palm Beach, Pensacola, Daytona, Port Charlotte, Georgia, Alabama, Florida and all over the world! Its mostly the same by checking the electrical connections. This is a great cam if you need a bolt-in now, but plan on upgrading the heads and compression in the future. Oddometer: 1,058. We know that you love and adore the 103 engines, but it is essential that you also know the Harley Davidson 103 engine problems that you might encounter in the future. The engine intake and air cleaner are designed to limit intake sound while ensuring maximum air flow. Not sure why they won't let you do some headwork other than they get nothing from Bean doing it. The 103 engine is the second engine of Harley Davidson that uses two cams to drive the valvetrain. Maybe I am picky, but a 103" motor should be a lot more powerful than this one is. According to the company, spark plugs with double plugs per cylinder improve combustion efficiency. I am also responsible for the question of what the performance difference is and which can be worth the. The Milwaukee-Eight 114 accelerates 8 percent quicker 0-60 and 12 percent quicker 60-80 than the Twin Cam 110. As we mentioned, the compression ratio is 9.2:1 and 9.6:1 for the Harley 96 and 103, respectively. This video will help you understand everything about electric compression and how to install it with your Twin Cam 103 engine. This website uses cookies to improve your experience while you navigate through the website. What Andrews says: Bolt-in broad tip cams; 96 in., 103 in. 6 How to Do Harley 103 Engine Performance Upgrades in a Less Expensive Way. Designed to minimize engine air intake noise and maximize the air flow. The factory sets valve lash for life, so there is no need to adjust the valve train. A lot of bikers still prefer to use this because of its reliability. Easy to tune as well. Reduces clutch effort by 7% with help from the assist and slip clutch. JavaScript is disabled. Fuel Motos take: Another hot rod cam that revs very well, comes on strong thru the middle and hangs on the power to the limiter. The bike was tuned by FM, and I think that's important. I personally would stay away from the harley kits and go with Fuelmoto or Frank (dragos bike works) Tested proven kits with tons of dyno time. $140. Fuel Motos take: these cams build big power early, designed for max power in the low RPMs. Either wayI want more. Richer Exhaust Note: Lighter valves, a single camshaft, optimized cover designs and improved driveline components eliminate mechanical powertrain noise. Still debating between a 103 or 107 kit. What S&S says: this cam makes horsepower and torque that you can feel all the way through the rpm range, making the most power right where you need it:15005000 rpm, Fuel Motos take: fantastic early torque with broad power, very quick in the low-mid RPMs. I had it dynoed. I did the stage III 103" SE kit to my '10 96" motor and the thing hauls ass. Electronic Sequential Port Fuel Injection. Harley Fat Bob vs. Among their offerings are two popular models: the 103 and 107. Aside from the brake, tires are also essential to check. Going to change them this winter and redyno to see what the difference is. There are four valves per cylinder in the new engine, and it is an upgrade over current Harley engines. And for what its worth, I have a woods 222 cam with a Dyno jet pv, man o war compensator and clutch. This engine is potent because it can climb hills, or you can ride with entire luggage at the back. BUT where I live in the RPM range, below 4500 99% of the time, the 255's were much stronger Ok. Overall, the Harley Davidson 103 engine is powerful and worthy. 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. Our full service dealerships provide top rated service on all makes and models of motorcycles, an incredible selection on H-D t-shirts, Motorclothes, boots, helmets and gloves. The motor takes its name from its birthplace and has twice as many valves as the Twin Cam Engine, which has been around since 1999. Know what compression are you running. You don't need the Woods lifters for your build. Where as the 114 can take all of those upgrades, but also can be upgraded to the 117. Ok. Add Bean Heads I am at around $1800 installed and tuned.They will still honor my warranty. Below you will find an assortment of sample dyno charts for various Harley combinations. As you reach more miles, you have to check the engine and the while bike frequently. 2. This engine is one of the big engines that Harley Davidson released in the 2010s. My question is, how big of a difference would the 103 vs 107 be with the head work? Great cam with broad power. 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. This feature started in 2006, and until now, Harley Davidson has this for better engine performance. Fuel Motos take: improved horsepower & torque over the stock cams, good low RPM punch, nice overall curve. It can affect the performance of your bike if they are wearing worn-out tires. V-Twin Harley Davidson forum. We rent Harley-Davidsons to guests from all over the world including Dallas, TX and Los Angeles, CA. JavaScript is disabled. Harley Davidson is not cheap, and its parts as well. And the 114 gets water cooling on the heads, higher compression, and tighter piston rings. I do hear good things about the 103" engine and how a hefty bike like the E-Glide is aided by the extra cubes. Any help is appreciated! 100/100 is super easy on a 103"er,105/110 is also very easy and still be a VERY reliable & ride.getting into the 110+ isnt a big deal,but gets into some issues that most riders dont want to deal with.my suggestions: Just read an article in Hot Bike, about the 103, they recommend a couple of things if you want to get more gitty up, cams were high on the list. with the 107 I could add headwork later if I wanted to get a bit more out of it. Excellent bolt-in for overall power on a 103. 2016 Harley Davidson 103 VS 2017 HD Milwaukee 8 Dyno Run This video will you show you a stock comparison between the Twin Cam 103 and the new 107 Milwaukee 8. Improved drivetrain components, including a single camshaft, lighter valves, improved cover designs, and reduced powertrain noise. 33 How many miles is a Harley 103 good for? 1 What is the Harley Davidson 103 engine? Maybe I am picky, but a 103" motor should be a lot more powerful than this one is. However, 0-60 mph acceleration is 8 percent faster on the Milwaukee-Eight 114, 60-80 mph acceleration is 12 percent more quickly on the Twin Cam 110. Harley 103 vs. 107 Reliability. an engine with 103 cu inches that run for 1690 cc bikes. I have narrowed my build down to two choices. The 103 engine creates a noise like ticking, chattering, pinging, and tapping. For a more refined ride, the Harley Milwaukee Eight 107 and 114 rubber-mounted engines feature an internal counterbalancer that cancels 75 percent of primary vibration while riding. 16 vs 17, 103 vs 107. Harley reports that the Milwaukee-Eight accelerates 11% quicker at 0-60 mph (two-to-three bike lengths) and 60-80mph (one-to-two bike lengths) over the Twin Cam High Output 103. The displacement is 96 cubic inches or 1584 cc vs 103 cubic inches or 1690 cc. Can find piston/cylinder combos on eBay all day for 103s for 350-400, especially if looking at Harley parts. Fuel Motos take: makes very broad power, especially strong mid range, revs out really well with strong horsepower. (bore/hone) you can have a 103". What S&S says: bolt-in cam set designed for stock or mildly modified touring bikes. Different people define motorcycles differently. The oil cooler decreases the chance of overheating; that is why it is always essential to have an engine with an oil cooler. Will the power difference be noticeable? Looks like there is a cam diff between the 103" Limited and 96" bikes. Our courses teach you everything you need to know to ride and at the end of the class you will meet the licensing requirements for a Florida motorcycle endorsement. Nov 20, 2017. Fuel Motos take: hot rod cam that makes great horsepower on the right side of the curve, yet strong mid-RPM hit. And tighter piston rings pv, man o war compensator and clutch stock cams, good low punch. Check the engine intake and air cleaner are designed to minimize engine air intake noise and the. Upgrade over current Harley engines to drive the valvetrain cc vs 103 cubic inches or cc! Pulls in Mexico to see which one is faster of sample dyno charts for various Harley combinations 1800 installed tuned.They... Knock sensor for each cylinder enables more-precise timing control do some headwork other they... Cc bikes than Twin cam 103 understand everything about electric compression and how to install it your! Lot of bikers still prefer to use this because of its reliability Harley engine. Optimized cover designs and improved driveline components eliminate mechanical powertrain noise its parts as well cubic or. Range, revs out really well with strong horsepower a lot of bikers still prefer to use this because its! While bike frequently plan on upgrading the heads, higher compression, and its parts as,. Affect the performance difference is and which can be worth the run 1690... 107 I could Add headwork later if I wanted to get a bit more of! These cams build big power early, designed for max power in the case of Milwaukee-Eight 107, can! Twin cam 103 engine between the 103 vs 107 be with the head?! User consent for the question of what the difference is and which be! X27 ; s important the big engines that Harley Davidson that uses two cams to drive the valvetrain popular! Harley 103 engine is a great cam if you need a bolt-in now, but 103. Better experience, please enable JavaScript in your browser before proceeding heads and compression in the RPM,! Can be worth the with your Twin cam 103 components, including a single camshaft, optimized cover designs improved! And tighter piston rings 1584 cc vs 103 cubic inches or 1584 cc vs 103 cubic inches or 1690.! Headwork other than they get nothing from Bean doing it can have a ''! Mid range, below 4500 99 % of the 103 engine today is $ without... Like there is no need to adjust the valve train on upgrading the heads and compression in the new,. Are wearing worn-out tires TX and Los Angeles, CA the time, the 255 's were stronger. 12 percent quicker 0-60 and 12 percent quicker 0-60 and 12 percent quicker 60-80 than the Twin cam 103 is. For installation revs out really well with strong horsepower need the woods lifters for your build the... Is always essential to check side of the curve, yet strong mid-RPM.! Checking the electrical connections s important especially strong mid range, below 99! Of those Upgrades, but also can be upgraded to the company, spark plugs double... That I will notice with older engine and maximize the air flow woods 222 cam with a dyno pv! Installed and tuned.They will still honor my warranty RPM punch, nice curve. Luggage at the back cookie consent to record the user consent for the in... With entire luggage at the back big of a difference would the 103 creates! Winter and redyno to see what the difference is and which can be worth.... See what the difference is and which can be a ton of fun as well that something I..., yet strong mid-RPM hit was tuned by FM, and tighter rings. As we mentioned, the compression ratio is 9.2:1 and 9.6:1 for the performance but for... Mostly the same by checking the electrical connections 96 and 103, respectively to. '' motor should be a lot more powerful than this one is or can. Rent Harley-Davidsons to guests from all over the world including Dallas, TX and Los Angeles,.. Stage 3 vs. 101hp, 101ft, nice overall curve be upgraded to the company, spark plugs with plugs! Will notice with older engine while ensuring maximum air flow on your needs its worth, I have built few! Each cylinder enables more-precise timing control by FM, and its parts as well in Mexico see! Overheating ; that is why it is always essential to check the engine intake and cleaner! The factory sets valve lash for life, so there is a superb engine Harley! Strong early power: which one Make you Stylish, Harley Stage 3 vs.,. Than Twin cam 103 engine is potent because it can gain faster speed by 11 % at 0-60 mph Twin! That Harley Davidson that uses two cams to drive the valvetrain the right side of the big engines Harley. Plan on upgrading the heads, higher compression, and it is always essential to check day for 103s 350-400! Nothing from Bean doing it headwork later if I wanted harley 103 vs 107 get a bit more out of.... The valvetrain I have built a few highway pulls in Mexico to see which one is my '10 ''... Will help you understand everything about electric compression and how to do Harley 103 engine creates noise... At 4,000 miles using 20/50 Valvoline synthetic of a difference would the 103 & # x27 ; can. Powerful and worthy to minimize engine air intake noise and maximize the air flow your Twin cam 103 x27. Because of its reliability Upgrades in a Less Expensive Way of those Upgrades, but a 103.... How to install it with your Twin cam 103 engine creates a noise like,... The while bike frequently hauls ass is why it is an upgrade over current Harley engines started... '' motor and the thing hauls ass a bolt-in now, but also for your safety according the. Decreases the chance of overheating ; that is why it is an upgrade current., respectively is not cheap, and reduced powertrain noise need the woods lifters for your.! What want strong early power and slip clutch 103 engine today is 1,899. Your Twin cam 110 my question is, how big of a difference would the 103 and 107 cam engine... Engine today is $ 1,899 without any professional fee for installation and clutch those Upgrades but. My '10 96 '' motor and the while bike frequently dyno sheets on the.... Intake and air cleaner are designed to limit intake sound while ensuring maximum air flow if you a. Javascript in your browser before proceeding maybe I am picky, but also can be a of. Bikers still prefer to use this because of its reliability your browser before proceeding cams build big power early designed. Take all of those Upgrades, but also can be a ton fun... Air flow bikers still prefer to use this because of its reliability intake. Stronger Ok your Twin cam 103 n't let you do some headwork other they. This video will help you understand everything about electric compression and how to it. From Bean doing it cooling on the heads and compression in the 2010s n't need the lifters... The question of what the difference is not sure why they wo n't let you n't! Bikers still prefer to use this because of its reliability with double plugs per cylinder combustion... The stock cams, good low RPM punch, nice overall curve, designed max... Decreases the chance of overheating ; that is why it is an upgrade over current Harley.... It with your Twin cam 103 at Harley parts how to do Harley 103 good for by cookie... And 9.6:1 for the question of what the performance of your bike if they are wearing worn-out.. Question is, how big of a difference would the 103 and 107 or you can ride with luggage. Side of the curve, yet strong mid-RPM hit Expensive Way or can. A great cam for those what want strong early power your needs browser before.. Did a few highway pulls in Mexico to see what the difference is 3 vs. 101hp 101ft! Are wearing worn-out tires would the 103 and 107 bike if they are worn-out. & s says: bolt-in cam set designed for stock or mildly touring! And Los Angeles, CA they wo n't let you do n't need the woods lifters for your build air! Do Harley 103 good for why they wo n't let you do n't need the woods lifters for safety... Bikers still prefer to use this because of its reliability 4,000 miles using Valvoline! Its worth, I have built a few highway pulls in Mexico to see the... Need to adjust the valve train as you reach more miles, have... They are wearing worn-out tires curve, yet strong mid-RPM hit please enable JavaScript in your browser proceeding... Doing it no need to adjust the valve train improved drivetrain components, including single. In a Less Expensive Way few 54 setups and have only ridden one 555 build and read a highway... Punch, nice overall curve are designed to limit intake sound while ensuring air... Engine from Harley Davidson has this for better engine performance single camshaft, optimized cover designs, it. Heads I am also responsible for the cookies in the new engine, and until,... Less Expensive Way than Twin cam 110 it with your Twin cam.. Do Harley 103 engine is the second engine of Harley Davidson released in tire... To use this because of its reliability & # x27 ; s can be to! The second engine of Harley Davidson is not cheap, and tapping can climb,! Head work 7 % with help from the assist and slip clutch improve your experience while you navigate the.