The Twin Cam 103™ engine powers all 2012 Dyna®, Softail® and Touring models with the exception of the Dyna Street Bob® and Dyna Super Glide® Custom. This engine produces up to 100 ft lbs. peak torque, an increase of approximately 6 percent over the Twin Cam 96 engine it replaces as standard power for many of these models.Generally speaking, if it comes from the ground, the oil is a "Mineral Oil.". If it is made in a lab or reactor, it's a synthetic oil. The remaining 20-25% of a bottle of motorcycle oil is comprised of what's called an "Additive Pack.". These ingredients make the oil more effective and are tailored to its application.1313 posts · Joined 2009. #8 · Feb 11, 2022. A 88" or 96" (or 95",98",103" or 107") shouldn't have any noticable heat difference as long as they are tuned correctly. kirby-vee twin racing. AMRA champion, AMRA & …5496 posts · Joined 2016. #6 · Mar 13, 2022. It's not really "premium". Engines are built to run a particular octane rating. An engine designed to run 87 will run the same whether you put 87, 89, 91 or 93 octane in it. The only advantage of using 93 in an engine designed for 87 is that 93 octane typically has more detergents than 87 ...Twin Cam 103: 103ci (1690cc) Twin Cam 110: 110ci (1800cc) Milwaukee Eight 107 (Standard) 107ci (1746cc) Milwaukee Eight 107: 107ci (1746cc) Milwaukee Eight 114: 114ci (1868cc) Milwaukee Eight 117: ... Despite its unique position in the Harley lineup, the V-Rod was discontinued in 2017.Motorbike HD Synth 20W-50 Street: a synthetic engine oil developed for year-round use in Harley Davidson V-Twin engines. High performance mineral monograde engine oil for use in classic Harley Davidson motorcycles. This formulation offers high oil flow resistance for good wear and corrosion protection, quiet engine operation and long engine ...I personally favor the 4 3/8ths stroke with standard 103 length rods as a good compromise of rod/stroke ratio and can still allow up to 6400 rpm redline but that would be my ceiling based upon piston speed and not something I do very often. ... V-Twin Harley Davidson forum. Discussion on V-Twin Harley Davidson motorcycles including Dyna ...#1 · Aug 27, 2009. Is the added performance worth the cost difference between the two? Can find piston/cylinder combos on eBay all day for 103s for 350-400, especially if …Cody's Comparisons: Episode 3.In this episode, Cody takes an in-depth look at the difference between the 2020 Harley-Davidson Softail Deluxe vs Heritage Clas...1313 posts · Joined 2009. #4 · Nov 2, 2011. go 107,we also do alot of 107`s,up from 96 or 103.we have complete kits,or can bore your cylinders,not expensive if you bore your cylinders 475.00 (instead of buying a kit 550.00)both include wiseco piston kits. kirby-vee twin racing.Well-Known Member. Sep 30, 2020. #6. tom1harley said: I have 2006 88 cu inch Dyna Wide Glide and I'm interested in making it a 107 cu inch. I've had the crank balanced and H beam race connecting rod installed and crank pin is welded. Has anyone used the V-Twin 107" Big Bore Twin Cam Kit 11-1257? How is the quality of these cylinders, pistons ...The 107 motors are 11 percent quicker in acceleration from a standing start to 60 mph, as well as roll-on acceleration from 60 to 80 mph, compared to the Twin Cam High Output 103.What's the difference between the new Harley-Davidson Milwaukee-Eight engines?We compare the 107 and the 114 to find out.The results are interesting...What i...A Breakdown of Harley Engines By Year: An Evolutionary Timeline. 1. The Early Days (1903-1911) The journey of Harley-Davidson motors began in Milwaukee, Wisconsin, where the Harley family handcrafted flathead engines and introduced them to the world by fitting them to bicycles. The single-cylinder model in 1903, derived from the De Dion-Bouton ...1313 posts · Joined 2009. #8 · Feb 11, 2022. A 88" or 96" (or 95",98",103" or 107") shouldn't have any noticable heat difference as long as they are tuned correctly. kirby-vee twin racing. AMRA champion, AMRA & …Apr 10, 2024. -- When it comes to the world of motorcycles, nothing quite matches the iconic stature of Harley Davidson. One of the more notable Harley engines, the Harley 103 …StryderKC. 156 posts · Joined 2005. #14 · May 24, 2005. Rock_Steady said: Here's a topic that has me concerned. Correct me if I'm wrong, but we are up to the 103 cubic-inch (1690cc) Twin Cam V-Twin for a production Harley Bike. The Honda scoots are already at 1850cc.Мы хотели бы показать здесь описание, но сайт, который вы просматриваете, этого не позволяет.curing water based ink in oven; 1958 airstream for sale; are better homes and gardens wax melts safe; borderlands 3 troy glitchharley 103 engine power and problems unveiled good motor or Jan 17 2024 web dec 12 2023 € built by harley davidson the 103 refers to the displacement in cubic ...Understand that you are comparing a 2 valve head vs a 4 valve head. A 4 valve head will flow more air and a Harley motor, hell any motor, is just an air pump. The more air you can flow, the more fuel you can add, the more fuel you add, the more power you make. The potential to make power is greater with the M8 vs the 110.We have done several baggers with 103, 107, 116 and all have been great running engines. Hot bikes will go less than 50 K B.S. ... V-Twin Harley Davidson forum. Discussion on V-Twin Harley Davidson motorcycles including Dyna, Electra Glide, Softail, Sportster, and more. Show Less . Full Forum Listing.A 3-hole oil change is when you replace the oil in all 3 essential components of the powertrain: While some may recommend having different intervals for all 3 components, we like to change the oil in all 3 every time we do a change, which is typically every 3000-4000 miles. Consult your owner's manual for recommended numbers, but the fresher ...High Output Twin Cam 103 vs Milwaukee-Eight 107 I'm looking to purchase a Street Glide in the (hopefully) near future. 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.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...In this shootout we tested an assortment of bolt in camshafts from various manufacturers in the Harley Davidson Twin Cam 103 engine. Our test bike was a 2012 Dyna Switchback equipped with a FM AC/DC Stage 1 air cleaner, E-Series 2/1 exhaust, and each set of cams was fully tuned with a Dynojet Power Vision in the Fuel Moto Dynojet 250i dynamometer test cell.Twin Cam 103 Engine VS. All New 2017 Milwaukee-8 107 Engine! Harley-Davidson doesn't always put out new motors, but when it does they're bigger, more powerful and have better suspension.Sep 28, 2016 · 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...Milwaukee 8 - Street - $950, for 107" / 114" / 117" The 4 valve M8 cylinder head is a great platform, it has enough CFM in stock form to make 110 horsepower on a 107" motor and 115 horsepower on a 114" / 117". What it lacks is velocity, which we add velocity by slightly raising the intake port and blending the exhaust port and valve ...7352 posts · Joined 2004. #2 · Sep 9, 2009 (Edited) 117 is WORTH IT! Best of all if you go 117 you can address all the trouble spots of a Hd motor. Mines cranking 130/136 SAE right now. 103's/107's can be a ton of fun as well, depends on your needs.Whether you're running a 103, a Twin Cam or a Softail and whether you run Synthetic or Regular oil, the right oil will make all the difference.In air ... (107 CUI) 4.9 L: HARLEY-DAVIDSON: ROAD GLIDE SPECIAL: 20w50: 3.8 L: HARLEY-DAVIDSON: ROAD GLIDE SPECIAL (EURO 4 ... HARLEY-DAVIDSON: V-ROD MUSCLE: 4.5 – 4.7 L: HARLEY …2023-10-11 1/2 harley davidson 103 engines Harley davidson 103 engines Full PDF is the harley 103 a good engine yes and no here s why twin cam 103 harley davidson engine harley 103 vs 117 the ultimate comparison who wins the harley 103 vs 107 engine showdown pit talks how many horsepower is the harley davidson 103 cubic inch engine 2012 harley ...144K views 7 years ago. 2016 Harley Davidson 103 VS 2017 HD Milwaukee 8 Dyno Run This video will you show you a stock comparison between the Twin Cam …M K. 223 posts · Joined 2014. #3 · Aug 25, 2015. The SE 255 cams fall flat on their face around 4000 rpm but they do have good low end/mid range torque. The Woods TW 222 cams will pull hard up to 5000 to 5300 rpms before they start to fall off and they have the same or better low end/mid range torque as the 255 cams do.When it comes to the cost of a Harley Davidson Stage 2 kit, there are several factors to consider. On average, you can expect to pay between $1,000 and $1,500 for a complete Stage 2 upgrade. This cost includes the necessary parts, labor, and tuning to optimize your bike’s performance. The cost breakdown looks something like this:Jan 11, 2024 · The Twin Cam 88 engine set a high standard for reliability, which later engines built upon. Each subsequent engine size, from the 96 to 103, offered incremental increases in more torque, power, and general performance. Hydraulic tensioners, introduced in 2007, marked a significant improvement in engine longevity.The Harley-Davidson Milwaukee-Eight engine lineup consists of the 107, 114, and 117 cubic inch ( ci) models. These engines are the heart of the brand’s touring and cruiser motorcycles, known as Big Twin engines for their larger size compared to Harley’s smaller V-Twins. Dialing into our subject at hand, the 114 ci steps up to 1,868cc, and ...1. Share. LMGDiVa. • 5 yr. ago. Something no one here has mentioned: Throttle response time. The 114 and 117 engines certainly put out more power, but the 107 responds to throttle faster, and climbs through its RPM Range faster. It's a difference in the 10s of milliseconds mind you but people can tell. 1.Our 107" Pro Touring kit, where we bore and hone your stock cylinders, has consistently produced 120-125 hp/tq with an oversized throttle body and performance pipe. Cam selection is based on your desired performance and riding style needs. If any cam over 625 lift is used, we recommend roller rocker arms and Dual Springs. ...2010 FLTRX Wimmer Better Sucker,FM 107 kit with Wood's 777 cams,V&H propipe, nitrous. 2004 Dyna Lowrider Harley Heavy Breather,Stage 1,Screaming Eagle mufflers.1996 FXDS-CONV S&S E.Screaming Eagle ignition,V&H Short shots. 1978 Strokershovel Lowrider 100 inches. 1974 Suzuki GT750 Lemans (Water Buffalo)Profiled is a 2013 Harley Davidson 103 Twin Cam Softail Slim equipped with a Screamin Eagle 204 Cam Kit, Screamin Eagle Heavy Breather, Vance and Hines Big Shots Longs, and information about the Dyno Tuning horse power and torque results: 84.98 Max Power, 105.61 Max Torque. The comparator mystery project started out as a Harley Davidson ...See how much horsepower and torque the Harley-Davidson Milwaukee-Eight 117 engine makes. ... As expected, the powerful V-Twin with a 4.075-inch bore and a 4.5-inch stroke has plenty of low-end pop as it's already pumping out 90 lb-ft. of torque at just over 2,400 rpm. At 2,700 rpm the M8 117 hits the 100 lb-ft. plateau and stays up there ...Find Screamin’ Eagle Milwaukee-Eight Engine Stage IV Kit - 107CI to 128CI Kit 92500094 at Harley-Davidson.com. Free shipping on orders $50+ and free returns.merc1100sc. For the guys running this oil, with it now being summer, have you experienced any top end noise. Im running rotella 15-40 in my 07 softail w/ a 107"bb kit. Im just breaking it in. the oil seems fine until the motor heats up to about 140 degrees celcius according to the data log on my DTT.The 107 might seem more cost-effective upfront, but the long-term value of the 114's higher displacement could offer you more bang for your buck. Here's a quick comparison: Harley 107: Cheaper, but less power. Harley 114: More expensive, but higher power and potentially better for resale value.Disassemble, inspect, rebuild front forks and replace fork oil every 50000 mi (80,000 km). Fuel filter. Replace fuel filter every 100000 mi (161,000 km). 2, 4. Brake system. Flush brake and clutch systems and replace DOT 4 hydraulic brake and clutch fluids every two years or sooner if moisture content is 3% or greater.Milwaukee-Eight 107 (73) Milwaukee-Eight 114 (76) Milwaukee-Eight 114 Balanced (45) Milwaukee-Eight 117 (68) Panhead Style (55) Screamin Eagle Twin Cam 103 (93) Shovelhead Style (106) Twin Cam 103 (115) Twin Cam 103B Balanced (114) Twin Cam 110B Balanced ... Aftermarket cams are a great way to personalize the performance of your Harley. Brands ...Harley's EITMS system has it's fair share of problems, but it can also keep you cool on a hot day. Can it be disabled and should you? ... Keep reading: > Harley 96 vs 103 > Harley 103 vs 107 > Harley 107 vs 114. FAQs. In this section, we answer some of the frequently asked questions about the Harley EITMS system.13 posts · Joined 2015. #26 · May 18, 2016. there are two factors here, style and comfort vs perceived cui. 1: The road glide special 103 is a better ride and as far as the difference that 7cui makes all but negligible. Spend a few dollars on a 103 and you have a punchy motor. add a hammock seat and its bliss.Jan 9, 2024 ... Comments286 · Harley Davidson Drag Race - Stock 117 vs Cammed 107 Milwaukee 8 (Battle of the Baggers Ep7) Vlog 111 · Craziness at Thrashin Supply ...Many users faced external leaks with Harley 107 caused by failing gaskets, seals, or cracked components. Identify and fix any external oil leaks. ... Related: Milwaukee 107 vs 103. 4. Weak Battery. Weak battery issues with Harley-Davidson motorcycles equipped with the Milwaukee-Eight 107 engine can stem from various causes.A Breakdown of Harley Engines By Year: An Evolutionary Timeline. 1. The Early Days (1903-1911) The journey of Harley-Davidson motors began in Milwaukee, Wisconsin, where the Harley family handcrafted flathead engines and introduced them to the world by fitting them to bicycles. The single-cylinder model in 1903, derived from the De Dion-Bouton ...3250. Compression ratio. 10.0:1. 10.5:1. Fuel consumption (combined highway/city) 45 mpg. 43 mpg. All this assumes bikes in stock form. Looks like the two advantages are the 107 gets slightly better MPG, and models equipped with the 107 tend to be less expensive so you have more money to spend on modifications.James & Jake take out a couple of Harley-Davidson Heritages. A Milwaukee 8 114 and a very fetching purple Twin Cam.Can the new kid on the block beat the old ...Read more: Harley 103 vs 107. Conclusion: Is the Milwaukee 8 Worth it? So, is the Milwaukee 8 worth it? That depends on your expectations and priorities as a rider. If you value power, performance, and the classic Harley-Davidson rumble, the Milwaukee 8 engine has a lot to offer.Whether you're running a 103, a Twin Cam or a Softail and whether you run Synthetic or Regular oil, the right oil will make all the difference.In air ... (107 CUI) 4.9 L: HARLEY-DAVIDSON: ROAD GLIDE SPECIAL: 20w50: 3.8 L: HARLEY-DAVIDSON: ROAD GLIDE SPECIAL (EURO 4 ... HARLEY-DAVIDSON: V-ROD MUSCLE: 4.5 – 4.7 L: HARLEY …James & Jake take out a couple of Harley-Davidson Heritages. A Milwaukee 8 114 and a very fetching purple Twin Cam.Can the new kid on the block beat the old ...The 107 kits are still a nice option and do a bit better than a 103 with all else being equal. I have stated before that a good 107 is more than 99% of street riders will ever need or use. I like the fact that on the 4 3/8th stroke motors they retain the 0-ring seal on the cylinder base. I think one of the things happening is the release of the ...Cometic Gasket supplies hi-performance gaskets for a variety of motorsports markets: ATV, Drag Race, Domestic Automotive, Harley-Davidson®, MX/Dirt, Off-Road, PWC, Road Race, Snowmobile, Sport Compact and Street.Yes, bore the 96" cylinders. Heat, totally depends on the tune, regardless of 103" vs 107". My 107" runs as cool or cooler than the 103" I had and there is no comparison to the dealer built/"tuned" oven 103" that I bought the bike with. That engine retained the O2 sensors in closed loop and had terrible tuning and heated profoundly.I personally favor the 4 3/8ths stroke with standard 103 length rods as a good compromise of rod/stroke ratio and can still allow up to 6400 rpm redline but that would be my ceiling based upon piston speed and not something I do very often. ... V-Twin Harley Davidson forum. Discussion on V-Twin Harley Davidson motorcycles including Dyna ...Common Harley 103 Engine Problems. The Harley 103 engine, like many engines, has its own set of common problems that owners and mechanics should be aware of. Here’s a detailed look at some of the issues: Related: Milwaukee 103 Vs 107 Engine. 1. Hot Start Problem. The hot start problem is a common issue faced by many Harley 103 engine …In this video, I discuss my thoughts (as a trained Factory technician for 22 years) on performance upgrades for Harley-Davidsons, and how most of us enthusia...Dec 26, 2016. #5. The 57 cams need compression around 10:1 or a bit better, like 10.2. Same profile at the 37 but with more lift. Without compression and head work in a 103" motor you can expect 95+HP and 100+TQ depending on pipe and tune. Not the best cam choice for a stock or Stage I motor. The 48 cams or the TTS 100 would be better choices IMHO.The prime numbers between 100 and 200 are 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197 and 199. A prime number is a whole numb...2010 FLTRX Wimmer Better Sucker,FM 107 kit with Wood's 777 cams,V&H propipe, nitrous. 2004 Dyna Lowrider Harley Heavy Breather,Stage 1,Screaming Eagle mufflers.1996 FXDS-CONV S&S E.Screaming Eagle ignition,V&H Short shots. 1978 Strokershovel Lowrider 100 inches. 1974 Suzuki GT750 Lemans (Water Buffalo)Jan 9, 2024 · The M8 differed from the Twin Cam in several ways. It featured a single, four-valve cylinder head design with a higher compression ratio than the Twin Cam’s two-valve design. This resulted in improved airflow and combustion efficiency. It also featured a single, chain-driven camshaft, which reduced mechanical complexity and noise.specs of the legendary the harley 103 vs 107 engine showdown pit talks is the harley 103 a good engine ultimate guide two wheller 2012 harley davidson twin cam 103 v twin engine review harley 88 vs 103 ... horsepower ratings of the 103 vs 107 engines when you compare the horsepower ratings it s clear that the 107 engine edges out the.67Duce. 8766 posts · Joined 2011. #3 · Jun 12, 2017. The 107 kits , with or W/O heads are a real nice wake up call for the 103's. I would also pick the Dyno-jet Power Vision tuner as part of the package along with a free flowing exhaust and intake / aircleaner if you don't already have those.Twin Cam 96's and 103's can easily be bored out to a 107 with the stock cylinders. Boring the stock cylinders is a very cost effective option rather than buy...783 posts · Joined 2010. #25 · Jun 30, 2012. VALVE / BORE Ratio. The valve to bore ratio should be: 52-52.5% of the bore for Wedge heads. 53-53.5% for Canted valve, rotated canted valve (Mopar P/S hemi) and true Hemi. If you decrease intake exhaust ratio down to 70-71% you can move both intake and.Description: 2008 Harley-Davidson Street Glide FLHX with the Fuel Moto 107" big bore kit at 10.25:1 compression, Stock cylinder heads, Wood Performance Knight Prowler TW-555 cams, Jackpot 2/1 exhaust with hi-output baffle, Stage 1 air cleaner and dyno tuned with the Dynojet Power Vision fuel tuner. The Fuel Moto 107.Generally speaking, if it comes from the ground, the oil is a "Mineral Oil.". If it is made in a lab or reactor, it's a synthetic oil. The remaining 20-25% of a bottle of motorcycle oil is comprised of what's called an "Additive Pack.". These ingredients make the oil more effective and are tailored to its application.7628 posts · Joined 2010. #9 · Nov 30, 2016. Actually there isn't any proof that the 107 engine and tranny is better then the 103's engine and tranny, it will take a few years to prove that there is a improvement in quality in the 107. I personally would wait a few years and let HD get the bugs out, a good example is when HD came out with the ...Bore Stock Jugs to 103", SE Pistons, Andrews or SE CAM for down low Torque, Heads done by Bean. 2. 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. Or I could keep stock heads and keep the cost about the same. Difference in cost is probably about $300 - $400 ...103 bore plus .010 = 3.885. 106 bore 3.927. 107 bore 3.938. You have plenty of meat left to bore. Like.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. As for the 114, it ...No products in the cart. HOME; SOBRE A EMPRESA; NOSSOS PRODUTOS; NOSSOS SERVIÇOS; BLOG DE NOTÍCIAS; CONTATOThe 103ci engine, with its extra cubic inches (larger displacement), delivers more power and torque than the 96ci engine. It also comes with an oil cooler for better thermal management. The 103ci engine’s increased compression ratio (9.6:1 compared to the 96ci’s 9.2:1) also contributes to its higher performance.In this episode, I assemble the cases, cam chest and measure the pistons for installation in this stout Harley-Davidson 103 cubic inch twin cam. The parts li...13 posts · Joined 2015. #26 · May 18, 2016. there are two factors here, style and comfort vs perceived cui. 1: The road glide special 103 is a better ride and as far as the difference that 7cui makes all but negligible. Spend a few dollars on a 103 and you have a punchy motor. add a hammock seat and its bliss.prodrag1320. 1313 posts · Joined 2009. #2 · May 15, 2013. if your going to bother to take the heads off to go .030,mill them to desired compression,set the 777`s at 10.5-1 (if you dont raise the compression,dont use the 777 cams or it will be flat as hell) kirby-vee twin racing. AMRA champion, AMRA & AHDRA record holder.1. Bore Stock Jugs to 103", SE Pistons, Andrews or SE CAM for down low Torque, Heads done by Bean. 2. Bore Stock jugs to 107" go with the Fuel Moto Package which has …103" engine build. IM presently having a 103" built by my Harley dealer it includes the 3.875" big bore cylinders, 10:5-1 forged stroker pistons the twin cam performance cylinder heads, 258 cams, screamin eagle EFI tuner, heavy breather kit, bubs 7 true duals, Screamin eagle cold racing plugs for high compression engine , sreamin eagle 8MM ...The 95" displacement is stroked to get to 103". 88" 3.75 x 4.00 95" is more bore to 3.875" x 4.00 stroke 103 keeps the 3.875 but lengthens stroke to 4.75. The aftermarket 107" options add a 1/16 to the bore to end up 3.9375. The 110" kit that Dude mentioned (that I'd forgotten all about) is still all bore.I could just do cams and have considered that, but was thinking of the complete 107 kit from fuel Moto for $1299 plus labor and that includes adjustable pushrods and my choice of woods cams.Option 2 was the winter special from the local Harley shop going from 96"to 103" and my choice of cams for $1700 including labor and I think dyno time and I could use my SE tuner.67Duce. 8766 posts · Joined 2011. #3 · Jun 12, 2017. The 107 kits , with or W/O heads are a real nice wake up call for the 103's. I would also pick the Dyno-jet Power Vision tuner as part of the package along with a free flowing exhaust and intake / aircleaner if you don't already have those.He recently took parts from a 2007 Road King and 2015 Street Glide to build a customer a Harley-Davidson Twin Cam 107cid engine. By Greg Jones. Greg Jones is Content Director and Editor of Engine Builder Magazine. Published: Dec 19, 2017. At just 23 years old, Marty Smestad became one of the youngest people ever to reach Harley-Davidson's ...Fuel Moto SP 124" Piston & Cylinder Big Bore kit for 107 Milwaukee-8 M8. 124. www.fuelmotousa.com. One of my concerns is mileage, I just turned over 32k miles. Another concern, when the stage 3 kit was installed at time on purchase it came a high lift cam and heavy duty springs that I would like to replace.. Compared to the Twin Cam High Output 103, the MilwaukeWhether you're running a 103, a Twin Cam or a Softail an The Harley 107, 114, and 117 engines denote the cubic inch displacement, indicating their power and performance differences. ... The 107 is the smallest, the 114 is more powerful, and the 117 is the largest and most potent of the engines. Harley-Davidson's lineup of engines is a showcase of the brand's commitment to combining tradition with ...In this video, I discuss my thoughts (as a trained Factory technician for 22 years) on performance upgrades for Harley-Davidsons, and how most of us enthusia... See what Harley has done with the new 107 wit Dyna 103 vs Softail 107. Which street bob would you choose? 2016 Dyna FXDB 3,000 miles Screaming eagle slip-ons $12,000. 2018 Softail FXBB 15,000 miles TBR 2-in-1 exhaust + other goodies $13,000.426 posts · Joined 2009. #4 · Dec 24, 2014. SE 103 heads. I have a set sitting on my bench. They flow pretty good out of the box but with a little work they can push 300 cfm @ 28". (180 cfm @ 10"). definatly a good head. dsv. www.danvanceracing.com. Dyna 103 vs Softail 107. Which street bob would you choose? 2016 D...
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