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Old 12-18-2017, 10:25 AM   #2
Chevmn56
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Join Date: Oct 2017
Location: Bluffdale, Utah
Posts: 101
Default Re: 5.5:1 or 6.1:1 High Compression Heads?

Quote:
Originally Posted by chap52 View Post
Working with a basically stock motor. Other than the obvious increase in horse power with a new high compression head, what are the pros and cons of the addition? Secondly 5.5 vs 6.1 pros and cons.
Just getting into these engines and would appreciate your in sites.
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