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CT Jack · 07-09-2023, 10:09 PM

Do not use gland rings. Use Snyder's A9433 copper gasket set which have holes that mate exactly with the 4 manifold studs. This gasket provides instant alignment. The gasket with the slots requires manually aligning the gasket for proper sealing which doesn't always work. Gland rings can prevent the manifold from properly sealing. If the counterbored holes in the block and manifold are not deep enough the gland ring can restrict the gasket compression needed to achieve proper sealing.

07-09-2023, 10:09 PM	#8
CT Jack Senior Member Join Date: May 2010 Location: Hebron, CT Posts: 640	Re: Manifold gasket hole size Do not use gland rings. Use Snyder's A9433 copper gasket set which have holes that mate exactly with the 4 manifold studs. This gasket provides instant alignment. The gasket with the slots requires manually aligning the gasket for proper sealing which doesn't always work. Gland rings can prevent the manifold from properly sealing. If the counterbored holes in the block and manifold are not deep enough the gland ring can restrict the gasket compression needed to achieve proper sealing.