View Full Version : 304 head swap
cjmike67
12-19-2003, 09:11 PM
Does anyone have any idea how much change in a compression ratio will you get on a 304 going from later style heads to the older closed chamber heads?? :-|
cjmike67
12-20-2003, 04:40 PM
No body has any ideas? I think i should get a 1.0 increase to make it to 9.2 or so !
jeepsr4ever
12-21-2003, 12:40 PM
I think we need to refer back to the head chart for this one, the only hang up are the small valves
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