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Wayne's recommendation is to increase compression on the low compression 3.0 SC motors, install 964 grind cams, and SSI's.
If you have the '81-'83 930/10 motor ('80 Euro SC had the 930/09 low compression 188 hp motor), you already have the 9.8:1 compression pistons, so the JE pistons don't buy you anything.
From what I've read, adding the 964 cams and SSI's to your motor would be good for 220-225 hp.
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'80 RoW 911 SC non-sunroof coupe in Guards Red
It's not a Carrera.... It's a Super Carrera!
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