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I got a 1972 C10 with a bad exhaust leak it has a 327 in it.....what size exhaust flange gasket does it take 2 1/32 or 2 17/32? PLEASE HELP
 

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Probably the smaller ones. The bigger ones are 1/32" over 2-1/2", and that is the Corvette size. Unless somebody swapped some 'Vette manifolds into the truck. Measure the outside diameter of the exhaust pipes near the manifold. If it's about 2", use the small ones. If it's 2-1/2", lucky you!
 
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