The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Block manifold and water pump after heater delete?

garyd1961 · 03-25-2017, 11:13 PM

If you have vortec heads or aftermarket heads you need to run a bypass. I would probably just run a short bypass hose anyway, it will help the water flow through the heads.

03-25-2017, 11:13 PM	#3
garyd1961 Registered User Join Date: May 2016 Location: Henderson NC Posts: 975	Re: Block manifold and water pump after heater delete? If you have vortec heads or aftermarket heads you need to run a bypass. I would probably just run a short bypass hose anyway, it will help the water flow through the heads.