You will have problems with 10.5 compression. I'm not familiar with those exact pistons, but I would measure them carefully, to make sure they are usable AND measure the dome volume to accurately determine what CR they actually would create. Some pistons, not sure of these, will not have the advertised CR. If you can get down below 10 to 1 with thick base gaskets, possibly some machining, AND the pistons are usable you could be good to go. Check out this info.
Evaluating UsedÂ* Pistons:Â*How to Determine if Your Pistons Are Still Good
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Gordon
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'71 911 Coupe 3,0L
outlawed
#56 PCA Redwood Region, GGR, NASA, Speed SF
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