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Old 11-17-2010, 09:35 PM
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BigRoy1978 BigRoy1978 is offline
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its a full bodied dirt car, IMCA stock car, 2900 pounds, 8 inch spec tire.

I won track points this year, and im running a 355, scat crank/rods, KB flat tops, double hump heads with a .516/.524 cam, roller rockers, weiand intake, 350 cfm B&B 2 barrel, stepped headers with about 48 inch tubes...dynos around 420-430.

everyone else either runs a 355, or a 383/377, with a couple 412's and 434's. The 434's are rumored to make over 500 hp, but they just burn the tires off all the way around the track, yes....burn, seen them smoke tires on dirt before.

Once again, cant use aluminum.

Just trying to get a jump on this since these rules changed last week. Wondering if the bigger carb would be worth sacrificing a bit of compression, and a little bit on the head.
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