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#5 |
Member
Join Date: Dec 2014
Location: Perry, GA
Posts: 331
Likes: 11
Liked 239 Times in 90 Posts
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Not trying to be ugly but that combo should make north of 430. How "new" are pistons? Most likely the problem is the ring package. Having said that I am not an engine builder nor do I build my own motors but I have been around stock for all my life and fairly up to date with what it takes to make them run.
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