T-stat to drill a hole or not to drill a hole? - The 1947 - Present Chevrolet & GMC Truck Message Board Network



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T-stat to drill a hole or not to drill a hole?

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02-24-2018, 10:38 PM

#18

garyd1961

Registered User

Join Date: May 2016

Location: Henderson NC

Posts: 975

Re: T-stat to drill a hole or not to drill a hole?

Quote:

Originally Posted by davepl

Small block Chevrolets have an internal bypass in the water pump, do they not? Seems redundant...

Vortecs don't have the water pump bypass. Also the water pump bypass is a pencil sized bypass the heater bypass circulates a lot more water. Another thing is the bypass does not send coolant back to the radiator, it just circulates it through the block and heads.

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