243 heads
02-13-2007, 03:47 AM
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243 heads Would the 243 heads cut for a 9:1 ratio work on a 5.3 with a cam?
Are the ports to big.Looking for the better combustion.
Right now i have the stock heads with a whipple at 10psi.2600 stall
5.3 ports 200cc/70cc
317 ports 210cc/75cc
300hp at 4000rpm
Are the ports to big.Looking for the better combustion.
Right now i have the stock heads with a whipple at 10psi.2600 stall
5.3 ports 200cc/70cc
317 ports 210cc/75cc
300hp at 4000rpm
Last edited by dc96819; 02-13-2007 at 06:16 AM.
