John,
We rebuilt my 911/83 (2.7) engine. The fuel system is MFI. As for the type of fuel used, we have a couple of 98-octane fuels in Oz. I like Shell Optimax.
The HP and torque curves were as you would expect from the GE-60 cams, but the high engine temps meant that we had to predict the curves above 6,000rpm.
Matt Holcomb
1974 911 Carrera 2.7 RoW
1975 Mercedes-Benz 280SE
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