Thread: 331 Dyno Numbers!!
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Old 09-03-2005, 12:24 PM   #13
Zack87GT
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Join Date: Jan 2005
Posts: 33
Default Re: 331 Dyno Numbers!!
yup.. heads are right out of the box.. used stock balancer.. pistons are flat top and give me about 10.7-11.0 compression..
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