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Registered
Join Date: Jul 2000
Location: Williamsburg, VA
Posts: 1,147
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Piston and Cylinders please confirm
I am reinstalling my P&C's on my 2.2 and have a quick Q.
I am installing the Pistons with the LARGER valve relief toward the TOP of the engine. The cylinders are being installed with the ROUNDED fins toward the bottom of the engine. I have two installed and want to make sure this is right ![]() ![]() Kerry
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Kerry (Back on the road, sort of) 914-6 in the Werks |
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Registered
Join Date: Jun 2004
Location: Rio Rancho, New Mexico
Posts: 1,325
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Kerry, you have it correct. The intake valve is larger than the exhaust valve, the intake is on top, thus the larger valve relief goes up. The rounded fins down, also correct. Tends to balance the cooling around the cylinder. Good luck
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DOUG '76 911S 2.7, webers, solex cams, JE pistons, '74 exhaust, 23 & 28 torsion bars, 930 calipers & rotors, Hoosiers on 8's & 9's. '85 911 Carrera, stock, just painted, Orient Red |
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