Vortec head question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Jaysonb · 03-28-2016, 02:47 PM

I'm going to install vortec heads on a 400 for my project stepside. I have been trying to gather all the info I need now, so there is no surprises when I wrap this thing up. The heads are at the machine shop getting steam holes drilled, and measured for retainer to seal clearance. I bought a vortec intake, and self alining rocker arms. What I'm not sure about is the coolant bypass. The truck will have the heater core hooked up, and there will be no valve in the heater hoses. Is that good enough, or do I also need to run a short hose from the intake to the water pump?

03-28-2016, 02:47 PM	#1
Jaysonb Registered User Join Date: May 2009 Location: Good Thunder Mn. Posts: 955	Vortec head question I'm going to install vortec heads on a 400 for my project stepside. I have been trying to gather all the info I need now, so there is no surprises when I wrap this thing up. The heads are at the machine shop getting steam holes drilled, and measured for retainer to seal clearance. I bought a vortec intake, and self alining rocker arms. What I'm not sure about is the coolant bypass. The truck will have the heater core hooked up, and there will be no valve in the heater hoses. Is that good enough, or do I also need to run a short hose from the intake to the water pump?



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