The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Official Difference btween the 396 and 402 BB Because you asked.

*67/72junkie* · 05-17-2010, 02:33 PM

you could get intermediate with bigger than 400 cubic inches before 1970 COPO Central Office Production Order I know they had copo 427 camaro

05-17-2010, 02:33 PM	#41
67/72junkie Account Suspended Join Date: Oct 2002 Location: NC Posts: 1,129	Re: Official Difference btween the 396 and 402 BB Because you asked. you could get intermediate with bigger than 400 cubic inches before 1970 COPO Central Office Production Order I know they had copo 427 camaro