head gasket thicknesses - grae459
can the varying thicknesses of head gaskets affect the engine power and or boost of the engine?
head gasket thicknesses - Aprilia
Yes. Affects the compression ratio.
head gasket thicknesses - DL
What engine are we talking about? Any one in particular?

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head gasket thicknesses - Sooty Tailpipes
A thicker one reduces power, especially in diesels.
head gasket thicknesses - grae459
yea just reassuring myself. I replaced the head on my pug 306 1.9d and replaced the gasket with the thickest 5 notch and have noticed a reduction in engine boost. Everything is working fine but i like this reassurance that it is to be expected. Thanks again.

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