ZDriver.com - Compression Ratio?

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tyco1983

01-13-2002 05:35 PM

Compression Ratio?

Would any of you happen to know the compression ratio of a standard deck heighth '83 280zx block with standard size flat top pistons, and an E31 head strapped on it, no metal removed from the underside of this either.

Ben	01-14-2002 03:22 PM

Re: Compression Ratio?

L28 block
L28 rods (130.3mm)
E31 head (42.4cc)
Std gasket (7.6cc)
L28 crank (79.0mm)
L28 flattops (86.0mm)
=10.2:1

Ben
Adelaide,
South Australia.

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