Leave it alone or more power?
how come you refuse to do headwork? I thought I was the only one. Those dyno numbers are crazy, I wonder how reliable it is. is anyone running aftermarket heads? I would feel better doing that and still having my stockers just in case. I think il bump up the compression as well like someone else suggested. I'm at 9.9:1 now since I'm runnin the ones from the se kit.
i'm running aftermarket s&s 89cc heads.
Thread Starter
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Stellar HDF Member
Joined: Feb 2016
Posts: 2,066
Likes: 259
From: Northstreet, michigan
Well between upping the compression, heads and cams and brakes/suspension upgrades I'd say I got a lot of thread searching to do. Thanks for all the suggestions everyone. I'll post whatever I end up doin.
Elite HDF Member
Joined: Sep 2008
Posts: 4,440
Likes: 148
From: Northwest
How far are you willing to chase what other people have? If you're never satisfied with what you have... it's going to be a long, expensive road for ya.
Your questions are not what we can answer.
Your questions are not what we can answer.
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Stellar HDF Member
Joined: Feb 2016
Posts: 2,066
Likes: 259
From: Northstreet, michigan
define satisfied lol. Am I satisfied with my current numbers? Yea sure, but I know I can do better. Once I get it dyno tuned I'll be done, so I want to get as much out of it as I can while still retaining reliability as much as possible.
dynotune... see where your bike really. cut a deal with the dealer. you have a pv, they should do it for around 250-300 since they don't need to get a 200 dollar license.
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Stellar HDF Member
Joined: Feb 2016
Posts: 2,066
Likes: 259
From: Northstreet, michigan
they quoted me about 350 for the dyno tune but if I'm gonna make changes I'd prefer to hold off. I'm a mechanic so money is my only real restriction here. I'd prefer to make any changes within a 1500 dollar budget if possible. Right now I'm interested in bumping up the compression a bit and possibly upgrading to s&s heads assuming they will work well with my 259 cams.
Road Master
Joined: Aug 2012
Posts: 854
Likes: 20
From: CT
That would be a downgrade. Your stock heads are great! It'll make the power you're looking for without porting them but an inexpensive clean up and valve job by a pro would help. Have them decked to around 89cc or so to get the compression up. You'll probably need shorter or adjustable pushrods when taking material off the heads.
Elite HDF Member
Joined: Sep 2008
Posts: 4,440
Likes: 148
From: Northwest
Just pokin' at ya Nick... none of us can leave our bikes as is..
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Stellar HDF Member
Joined: Feb 2016
Posts: 2,066
Likes: 259
From: Northstreet, michigan
lol after this I'm gonna have to....knew I should have been a doctor
A 117 kit , stock heads , 58mm, and pipe will get you right around over 110 hp, and 120 + tq with a proper tune. Not too shabby. I'd make the effort to have a really good tuner put his touches on it.