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chevy vortec cooling issue

Jared Brennan
I love my Chevy Chevette!
Posts: 1
Joined: 08/17
Posted: 08/10/17 05:34 PM

Hi there, i have recently bought a 100,000 mile 97 vortec motor and dropped it in my 84 K 20. I have the coolant temp sensor on the driver side below the headers, the as well as a working heater core ran out of the top of my intake manifold. My water temp. gauge bounces around a lot and is not very consistant sometimes opening up at 190, sometimes as high as 240. very inconsistant. i have tried flushing the radiator, tried multiple thermostats and nothing has seemed to work. Ive read a couple forums and someone suggested a thermostat bypass hose into the intake but the issue with that is that if im not mistaken it would run cold all of the time. any advice eould be greatly appreciated, if you have any questions please dont hesitate to ask  

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