3.7 Engine Heads

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max pain

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Has anyone here milled engine heads on the Liberty?

I want to change stock compression ratio and get some more HP, so thinking of doing it soon, wanted to know what issues i can expect from it.

I've spoken with some experts, they say that i'll only have to change for premium fuel after it and that's it.
 

KYLiberty

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Mine have been milled. It wasn't done by me though, so I can't tell you what you're in for other than results. It definitely runs stronger with heads that were rebuilt at a speed shop.

It looks like you are on your way to a stronger running KJ. You might want to talk to someone like FastMan about some different cams and a custom flash from B&G to tie togerther with your headers, APS TC, and shift kit.
 

max pain

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Cams are no longer availiable unfortunately...
If you have a link, i'd appreciate it.
But i'm definetly in for a B&G flash after this!
 

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