[s-cars] Question about compression ratios and tuning

[Peter Schulz]

At 08:59 AM 2/2/2004, James Bufkin wrote:
>3B engines have a default compression ratio of 7.8:1 with a displacement 
>of 2226ccs.
>AANs have a CR of 9.3:1 with a displacement of 2226ccs
>S1 blocks have a CR of 7:1 with a displacement of 2100ccs.
>
>What effect would using a 3B or AAN ECU in conjunction have on an S1 
>block?   What power band characteristics would such an engine have?
>
>James
>Austin TX
>
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James:

the 3B engine ALSO has a compression ration of 9:3:1

http://members.aol.com/c1j1miller/


-Peter



Peter Schulz
1990 CQ (perpetually awaiting S2 3b engine transplant)
1991 200 20v TQW indigo mica
1991 200 20v TQW titanium grey
Chelmsford, MA USA
peter at audifans.com