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

Coley · 03-23-2018, 03:09 PM

Interesting.....
so how do you use a sbc head that has had holes drilled into the water jacket without it affecting that (non 400) sbc engine?
....just curious as to the risks of leaking coolant under pressure through those new holes?

All good
Coley

03-23-2018, 03:09 PM	#3
Coley Registered User Join Date: Oct 2011 Location: Victoria, B.C Posts: 3,794	Re: 400 sbc heads and steamholes? add them or? Interesting..... so how do you use a sbc head that has had holes drilled into the water jacket without it affecting that (non 400) sbc engine? ....just curious as to the risks of leaking coolant under pressure through those new holes? All good Coley __________________ ....for some men, there is experience, skill and effort....for the others...there is visa and UPS LOL 1966 Chevy 1/2 ton (Florida- Red/white) 1972 Chevy 1/2 ton (California- Blue/white) 2005 Chevy Silverado HD2500/Duramax 2000 Dodge Ram 1500