The Cadallac Northstar engine used in the STS models runs 10.1 to 1 I am told.
Pukeloser@aol.com wrote:
> Does anyone know how the compression ratio affects the computer. When I do
> the 360 project I'd like to get as high a compression ratio as possible
> (considering the crappy emulsified gas they sell here in Cleveland).
> Anyone know what the limits are for 94 octane gas with MP computer?
>
> John S
>
> 95 cc 318 auto, transgo shift kit, HE stage II TB and intake, HE 1418 cam,
> 1.6 Roller rockers, MSD digi6+, MSD HVC coil & 8.5 wires, Hp cap + rotor, MP
> PCM, DT headers, Gibson exhaust (3" from headers back, no cat), 180 stat,
> autolite 3923's, progear DR timing chain, auburn LSD, 4.10 gears, superior
> axles, K&N X-stream filter system, MP valve covers, 24# FMS injectors, IAT
> adjuster
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