what compression ratio will i have
Senior Member
Joined: Jun 2000
Posts: 599
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From: Glenbeulah, WI
Car: 1988 Firbird
Engine: 406
Transmission: T-56
Axle/Gears: 4.10
Rough guess is between 9 to 1 and 9.3 to 1. Thats with 58 CC heads, .015 FelPro 1094 head gasket and around 13 CC in block and pistons.
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From: Northern NJ
Car: 89 Formula / 09 G8
Engine: LS1 / LS3
Transmission: M6 / M6
Axle/Gears: 3:42 / 3:27
I thought that you couldn't use 350 heads on a 305 block. I remember reading that you have to clearance the piston bore because the valves hit the edge.
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Joined: Jan 2000
Posts: 19,655
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87 B4c,
Figure it out for yourself. Load and open this calculator:
Engine Calculations.xls
It works with MS Excel and QuattroPro.
Figure it out for yourself. Load and open this calculator:
Engine Calculations.xls
It works with MS Excel and QuattroPro.
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