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Alan.UK Alan.UK is offline
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Join Date: Sep 2000
Location: Bournemouth, England
Posts: 1,099
CR on a 3.2 SS advice please

Well at long last I am starting my 3.2 SS motor.

I have a set of MM but have decided to sell these as I am running S cams and thus would have to machine the pistons for valve clearance.

Anyway, I have spoke with a reputable supplier here in the UK about getting some J&Es. They are over boring some 95mm barrels for me and suggested I go for the 10.5:1 J&E pistons rather than the 9.5cr and that the 10.5 will be fine.
We spoke at length and they have done tests before on 3.2 motors both with carbs and electronic ignition so I appreciate his advice. I just want to check if there are any other thoughts on going for the 10.5:1 versions on the following motor.

Short Stroke 3.2 using
1978/9 911 SC motor with the larger ports.
46 PMOs
Andial S grind cams
Crank fire HPX ignition
SSi heat exchangers and 3 outlet SS exhaust.
The fuel here in the UK is 92 (I think) and is normally very good.

Any thoughts before I buy them? I donít want to go twin plug just yet as the above costs enough on its own.

Thanks in advance

Alan
Old 05-11-2005, 12:19 AM
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