Quote:
Originally Posted by 911st
... As to how far you can stretch the stock T pump. A 2.5 should not require many clicks richer to make it work well. ...
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Displacement is not the most important factor in pump tuning. The horsepower determines how much fuel and air is needed to be combusted. 2.5 short stroke motors are often found in racecars making more horsepower than a 2.7RS spec. They are stressed more and use high compression, of course.
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1971 911S, 2.7RS spec MFI engine, suspension mods, lightened
Suspension by Rebel Racing, Serviced by TLG Auto, Brakes by PMB Performance
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