Heads skimmed...now what gasket?
Hello :) I've had my heads skimmed and was wondering what thickness and make of head gaskets is best recomended for me?
Heads are from a 98 uk turbo, going onto a 04 sti bottom end although it's gonna be running more or less standard apart from ported exhaust and very short free flow exhaust downpipe and performance panel filter. |
You need to know what thickness was skimmed off the heads.
Then you add that thickness to the thickness of a standard gasket, to give the thickness required in the new gasket. Failure so to do will lead to a change in the car's compression ratio, with possibly disatrous results:( |
Thanks mate, they have been skimmed by 5 thousandth of an inch or 0.127mm.
Anyone know the thickness of the standard gaskets? |
I'm no expert in the car gaskets but as u say 5 thou isnt alot there are 40 thou in a mm I'd say even at the correct torque you may see that sort of different in the gasket compression anyway so as for changing compression ratios I'd dout it
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My thoughts exactly to be honest, plus the head place said they wouldn't need different gaskets.
Would like the opinion of a few others though please. Plus what are the best gaskets to go for? Thanks Ian. |
Replace with std gaskets, 0.127mm skim is'nt worth calculating, you get a bigger build of carbon than that on the pistons over time.
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