DO it once, do it right.

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Use RTV Silicone sealant.

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this is designed for resistance to oil impregnation.

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other sealants will not have the long term reliability and just perish after a while

= leaking again.

Both surfaces need to be grease free.

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sump face, block face.

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used brake cleaner

/ carb cleaner which contains oil stripping agents.

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And there wont be a weap in sight.

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