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View Full Version : Need to figure out my compression.



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01-22-2005, 04:53 AM
Well i've just upgraded to Arias Pistons (8.5:1 1mm over) pistons. And will be using a 1mm Cometic MHG.

Any ideas of where my compression will be? im hoping around the stock 8.8:1 since im using a thinner headgasket over stock.

thoughts?

ChrisD
01-22-2005, 06:36 AM
Stock HG is 1mm, no?

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01-22-2005, 07:09 AM
Stock HG is 1mm, no?


I was under the impression that it was 1.4mm

InitialD93
01-22-2005, 08:00 AM
1.4mm is about a $300 headgasket from HKS... i think stock is like .38MM

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01-22-2005, 08:21 AM
1.4mm is about a $300 headgasket from HKS... i think stock is like .38MM


.38mm is tiny... you meant .038" did you?

ChrisD
01-22-2005, 07:27 PM
Everything I have ever seen has referred to it being 1.0mm thick. People get thicker gaskets, 1.2mm, 1.4mm, 1.6mm, from HKS or TTE or whatever so that they can correct for the machining of the head that is done to ensure proper seating of the gasket.