The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 400 sbc heads and steamholes? add them or?

Eddie H. · 03-24-2018, 04:12 PM

# of the holes need to be drilled at a 30 degree angle, and 3 are drilled straight.

03-24-2018, 04:12 PM	#11
Eddie H. Registered User Join Date: Mar 2001 Location: Paradise TX USA Posts: 1,200	Re: 400 sbc heads and steamholes? add them or? # of the holes need to be drilled at a 30 degree angle, and 3 are drilled straight. Attached Images __________________ "Negative people always seem to have a problem for every solution"