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gmc684x4 · 08-09-2020, 05:50 PM

I would guess he is like most of us the 48 plus year old stock manifolds are in rough to toast shape

I went through quite a few stock manifolds on my 69 and 70 there repop now

08-09-2020, 05:50 PM	#6
gmc684x4 Registered User Join Date: Jul 2012 Location: Whitehorse yukon Posts: 1,218	Re: Headers? I would guess he is like most of us the 48 plus year old stock manifolds are in rough to toast shape I went through quite a few stock manifolds on my 69 and 70 there repop now