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Old 04-03-2021, 09:59 PM   #3
pwdcougar
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Join Date: Oct 2013
Location: New Jersey
Posts: 1,302
Re: Heater core shut off valve

I've had one on my 69 Cougar for 20 years with no problems. I used a solder connection type brass ball valve and soldered on a couple inches of copper pipe and put two clamps on each side.
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1969 Mercury Cougar Standard 4 speed
1969 Mercury Cougar XR7 convertible
1970 4WD Chevrolet Suburban
1997 4WD Chevrolet Silverado Extended Cab Short Bed (purchased new January 1997)
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