Quote:
Originally Posted by HWYSTR455
I use anti-seize on the heater nipples to prevent stick/damage.
Why block it off? What's the intended goal? I can't see a good reason to do so, other than maybe reduce interior temps some. (which it really doesn't do by much)
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The car's been sitting around, and probably has the original heater core. I was just thinking of a way to shut off flow in case it were to rupture (that happened to me once!) or otherwise start leaking.