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Old 01-15-2015, 02:28 PM   #2
HemiChallenger71
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Join Date: Oct 2014
Location: Metro Detroit, MI
Posts: 202
Re: more HP from LQ4

Quote:
Originally Posted by KEWLKATDADY View Post
low to mid 400's HP.

Thoughts?
You can do that with just a camshaft, pushrods and valve spring upgrade. No need to touch anything else.
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