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kellcats521's Avatar
 
Join Date: Feb 2005
Location: Atlanta Metro
Posts: 219
Question 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....

Thanks!!
Old 02-06-2007, 10:53 AM
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WydRyd's Avatar
 
Join Date: Mar 2002
Posts: 3,563
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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'89 911 Turbo Cab
Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition
Old 02-06-2007, 01:18 PM
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