Big bore
Road Captain
Joined: May 2014
Posts: 648
Likes: 35
From: San Diego
Best upgrade or biggest are a loaded question. You can do 103, 106, 107, 110, 117, 124. All comes down to how much you are willing to spend. And when you say best, how do you define that? Most reliable? Peak torque at what RPM range? Peak HP...do you normally go above 6K rpms?
Ask yourself what you are trying to accomplish out of your upgrade then post in the engine mechanical topic section. There are few good builders that can help you.
Ask yourself what you are trying to accomplish out of your upgrade then post in the engine mechanical topic section. There are few good builders that can help you.
Outstanding HDF Member
Joined: May 2014
Posts: 2,400
Likes: 284
From: Fort Worth, TX
The least expensive way to go is to bore your stock cylinders for a set of pistons to take your cubic inches from 96" to 107". As mentioned you can go up to 110" without boring the cases but you will be buying a cylinder/piston kit which is a few hundred more than buying pistons and boring a stock set of cylinders. Anything larger than that and you will need to bore the cases. I took my 88" to 117" using the stock cases and heads along with a monster big bore kit from Revolution Performance...
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