The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 1972 Black Cheyenne Super Big Block

bbc71 · 11-29-2011, 04:03 PM

did your truck come with a big block? cuz how did you fit the big valve covers without cutting into the firewall? i had a heck of a time getting my 454 fitting in my 71 k20

11-29-2011, 04:03 PM	#128
bbc71 Registered User Join Date: Jan 2011 Location: Manistee, Michigan Posts: 37	Re: 1972 Black Cheyenne Super Big Block - JWall did your truck come with a big block? cuz how did you fit the big valve covers without cutting into the firewall? i had a heck of a time getting my 454 fitting in my 71 k20