It's the "crush" of the OEM gaskets that you need to consider, not the thickness.

They tend to crush a lot less than even the more expensive gasket papers.

For the sake of not wanting to wait for a pair of £3.50 gaskets, you could end up off the road for considerably longer if the pistons melt due to a combination of compression and (possibly) low octane fuel!

If you must make gaskets, I suggest you make them out of 0.6mm, just to be on the safe side. It won't cost you too much performance on a stock motor.
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Andy.
NSR-WORLD.COM

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