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Old 05-03-2012, 06:34 PM
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60man 60man is offline
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Join Date: Jan 2002
Location: Northern Virginia
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Quote:
Originally Posted by Glenn Sedig View Post
We have not tried to O-ring any heads yet, but it should not be a problem. The alum head and the copper alloy insert are fairly close in their rate of expansion from heat generate during combustion. The copper alloy will take much higher compresion loads than alum and machines well. It is tougher than alum so you would not want to crowd the O-ring cutter tool until you get a feel for how easy it cuts.

I hope to test my heads next weekend to see if the inserts with Cometic gaskets works well.
At what compression ratio ?? Just a thought..or does it matter?

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69 Grand Prix/3163lbs / IAII 535 w/ Tiger heads by Gaydosh....9.35@ 144 so far.. through mufflers. 1.26 60'.
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