107 to 128 Harley-Davidson Engine Kit!
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- Äas pĆidĂĄn 6. 11. 2020
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Wilkins Harley-Davidson
The Most Award Winning HD Dealer in New England
663 South Barre Road
Barre, Vermont, 05641
(802) 476-6104
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Wilkins Harley-Davidson The Most Award Winning HD Dealer in New England 663 South Barre Road Barre, Vermont, 05641 (802) 476-6104
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Nice, we (my wife and I) have a 2020 Tri glide with a 114. Iâm looking forward to doing a an upgrade like that.
Got one installed ,i enjoy it ,,myself i think mine is 120 /120 , it runs great ,my 103 hi output is smoother but thats a trade off the road king is 4 touring ,the other is what it is
Thanks for posting I am a horrid man myself but it's still amazes me to see so many people spend 30 grand plus then have to spend more money to make the bike actually go
I guess people upgrading parts on their car also amazes you the same way.
Thank your EPA government overeach
Was that using the Screamen Eagle tuner
What was the cam duration or lift? Thanks
What size cam? Stock heads? Intake manifold?
What was the total cost out the door?
Thinking of doing the 107 to 135 kit
You'll definitely need to get the case bores for that size. It gets extremely expensive. It's less of a kit and more of a complete engine build.
Can't. Crank stroke too short. I had moonshine harley quote $17,000 for my 107 to a 131, 135 build with a bigger crank. They claimed 138hp. 148 torque. Too rich for my blood. You can go to a 128, S&S gas a 129 kit. But get the info on the pistons!!!!! Especially with a bigger cam. You don't want too high of compression. Also stock m8 heads are maxed to accept no bigger than a 475 cam. Die to the stock valve springs. I did a stage 2 with my 107.
S&S CAM chest kit complete.
S&S 475 cam lifters, bullet lifter guides.
2 into 1 Sidewinder exhaust.
57mm aluminum intake. Dynoed at Harley. Was a bit disappointed in the power. From 85hp 90 ft lbs torque to 103 hp, 113 lbs torque. But the issue was tuning in 95f heat. Yes it pulls good from 3200 rpm to redline. I also installed stiffer clutch springs. With a hydraulic clutch I didn't have needed effort to pull the clutch in.
Next is the 128 big bore kit. Stage 1 or 2 ported heads. Bought stock low mile heads to be Shipped for porting. Zippers is good but very expensive for porting. Quoted 1,900.
I did the 128 kit on a 2021 Streetglide 107. My dyno with S&S header, SE slip-ons was only 121/123 after breakin. Harley does not honor warranty if you use someone else's tuner. I am curious about what tuner was use to produce the results quoted.
Same here. No way that is a stock kit. Mine is 121 hp and 130 torque with power vision tuner
I agree ,you dont get near the claimed numbers ,my 2021 road king felt like it had a bolt in cam when it was stock ,have had 4 m8's everyone ran different
@@allinsondixon8224 itâs all about the tune, cam & exhaust. Iâve seen the build and tune of a 107 to 128 with numbers over 140+ in both horsepower and torque.
I need to find out if the 128 or 131 kits are Euro approved with a TĂV certificate.
get a friend in the us send to you..install yourself..street tune it. f the law
What I would love to know is, on idle, how much louder in Db the bike gets after changing to that kit? The dealers do these all upgrades all the time but I canât I get an answer on how much the volume increases.
I have a 114 low rider s stage 2 with the SE447 cam and Rinehart slip ons. Iâve been told it will be A LOT louder if I upgrade to even the 117 kit because of the high compression pistons. So thatâs all thatâs putting me off
Do you have parts details and what a build like that cost?
Give us a call at 802-476-6104
Every build is a little different.
No break in before Dyno?
Nope. No engine builder does a break in beige dyno wich proves the soft break in method is stupid and pointless
Cylnder break in requires some pulls and revs. You don't want smooth polished walls. You want a cross hatch for sealing. Harley m8s have VERY TIGHT rod to crank clearances. Requiring a breaking in for 500 miles. After that? Break in the bore kit like your gonna ride it. The lower end is already broke in.
How fast is this bike with the 128 kit from 0 to 60?
7 weeks
Thought M8 2017-2021 could only go 124?
Go check out blockhead moto heâs literally smashing a low rider s with a 131 kit and pushing 151 hp and still gunna take it further it doesnât say 151 in any of the videos but as of today via Instagram live heâs pushing 151
They Show a 128 Stage IV Kit on the MoCo Website now. Iâll take one. Iâm back order Iâve heard
@@chrissmith7669 post the link
@@Heavy69Metal installed price 5807 with full warranty. suburbanharley.com/Performance-Kits-Milwaukee-Eight
My 128 made 150hp and 144tq
hot damn!
Which model is that sitting in?
Need details.
TeensierPython - street glide
Yeah give the details on the build please
Ward Heads Cams intake manifoldVance and Hines pro pipe 128 S&S kit