The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 1974-454 What "Mark" do I have?

geezer#99 · 10-23-2020, 09:56 AM

Only reference to peanut ports I’ve found is a 1986 casting.
Post your head casting numbers.
That’ll clear it up.

10-23-2020, 09:56 AM	#12
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,522	Re: 1974-454 What "Mark" do I have? Only reference to peanut ports I’ve found is a 1986 casting. Post your head casting numbers. That’ll clear it up.