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Post by jag on Oct 30, 2005 0:32:27 GMT -5
Hi Mike, I would like to know how much could be gained out of a set of pro1 310 heads with your stage 3 package. I run a heavy back halved Chevelle with a 13.1 comp. 496. Also how much comp. could be gained by milling. I am considering having my intake and heads done but was aslo looking into buying bigger heads.Whats your opinion on these heads. Thank You
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Post by Mike Stark on Oct 31, 2005 7:42:24 GMT -5
Your probably looking at about 30 HP from the stage 3. If you cut the heads pretty good you might get 1/2 a point or so.
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Post by jag on Nov 20, 2005 13:49:55 GMT -5
Are the Pro 1 310s a good head for this combination. 496 chevy 13.1 solid roller 292 298 660 666 110 lobe separation dart intake 1050 dominator. I would like to have port and bowl work the intake cleaned up and the valve job. Could this work get me in the 700 to 750 hp range. Thanks
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Post by Mike Stark on Nov 22, 2005 7:23:38 GMT -5
You should be right in that HP range. How heavy is the car? What trans? The 325 might be even better to start with.
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Post by jag on Nov 22, 2005 9:56:51 GMT -5
The car is 3480 with driver and the trans is a th 400.
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Post by Mike Stark on Nov 24, 2005 11:04:46 GMT -5
I would go with the 325's. They will essentially be a ported version of the 310's. Should make great power for you. I have run even bigger heads on heavier cars with good success.
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