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kellcats521 02-06-2007 10:53 AM

swapping to 91-92 P&C's on an 87
Has anyone 'upgraded' their pre '91 3.3L by swapping to the '91-92 all finned P&C set? If so, any modifications needed on the tins on the cylinders? I'm looking at a new set of these that are being sold almost too cheap to pass on. I've heard that they'll run a bit cooler than the half-finned originals, but I wasn't sure if they are a 'bolt-in' upgrade or if there's more to the picture....


WydRyd 02-06-2007 01:18 PM

I have fully finned 97mm cylinders in my Carrera motor. I don't think any extra machining was required as such to make them fit.

I had the base of the cylinders machine as I was running thicker (0.5mm) base shims as well as the 0.5mm C2T head gaskets.

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