Re: Header Gasket Leak
My son always uses double stock gaskets on the headers on his engines. He re-torques the header bolts after driving it a while.
That is what I did on my 454 and have not had a problem.
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'67 Chevy C-20 short stepper - build complete, 454/SM-465.
'75 C-30 Single Cab DRW-350 small block/NP-435.
'77 GMC-6500 Dump Truck, 427 Tall Deck.
'92 GMC K-3500 Duallie, 454/4L80E.
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