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Old 11-08-2022, 05:50 PM   #3
72SB
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Join Date: Apr 2022
Location: Moorpark, CA
Posts: 718
Re: Sanderson Header Owners

I know Sanderson claims that. They have thick flange....IMHO I would and do always use a gasket, Felpro but do not have Sanderson headers

If your heads are dead nuts perfect and aluminum (read not cast iron), go for it...but I would use a gasket

with that said my 67 327 stock manifolds did not have gaskets and never leaked. YMMV
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