Holley 500 cfm conversion on a 1966 GMC 305E - The 1947 - Present Chevrolet & GMC Truck Message Board Network



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Holley 500 cfm conversion on a 1966 GMC 305E

07-10-2017, 08:49 PM

wcstory

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Join Date: Jun 2006

Location: Cape Cod, Ma.

Posts: 236

Re: Holley 500 cfm conversion on a 1966 GMC 305E

Quote:

Originally Posted by duallyjams

Does it have dual exhaust or is that on the list of things to do ?

I'm waiting till the 700R4 is in before doing the exhaust.

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1966 GMC 1 Ton 305 V6 SM420 4 speed - retired Fire Dept Support Truck from Little Falls, NJ

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