Heater Bypass Valve

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TURNA

Rocket Powered Basset Hound
Jul 24, 2009
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That is where just about every Chevy besides the later year Monte GBody's has it that I have seen


 

Max Headroom

Master Mechanic
Sep 8, 2011
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I've been running 60s, 70s, 80s Chevys since they were new. I bypassed the heater on about half of them to improve a/c performance in the summer. (and sometimes to keep the heater core from leaking inside the car.) I always put a crossing hose with two valves between the in and out lines to the heater core. Put them up as close to the fire wall as I could. Last time I did it, ,it cost about $20 USD and took about an hour. They work like a charm.
 

565bbchevy

Geezer
Aug 8, 2011
9,591
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Michigan
Just mount it in the front of the SBC intake.

Thats what that hole is there for.

What intake are you using that doesnt have that hole?
I want it near the heater core and the vacuum line, I already have a lot going on near the front of the intake so it wouldn't fit even if I wanted it there.


20180609_224605_resized_1.jpg
 

565bbchevy

Geezer
Aug 8, 2011
9,591
12,612
113
Michigan

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