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easy ?: CR on 305 w/ L98 heads.

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Old 02-03-2003, 10:14 AM
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easy ?: CR on 305 w/ L98 heads.

Just curious. I'm looking at lowering the compression a bit for use w/ a turbo.

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Old 02-03-2003, 12:50 PM
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You've got 9.3:1 stock, so putting L98 heads on will probably drop it down to around 8.6:1.
Old 02-04-2003, 12:51 AM
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Are you putting the Vette version or the F-Body version of the L98 head on your L03?
Old 02-04-2003, 01:09 AM
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Car: 1988 Firebird S/E
Engine: 406Ci Vortec SBC
Transmission: TH-350/3500stall
Axle/Gears: 7.5" Auburn 4.10 Posi-Traction
Go to www.download.com and get "engine cr"

then you can see the difference in compression ratio with different heads your self.
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