Heater Core Comparison
We found a new (2006 date) copper-brass heater core at a local radiator shop sitting on a shelf for the '70 Firebird Formula ($90), but also ordered a new one from Rock Auto, who had 2 listed for non-AC, so bought the one that cost a couple bucks more thinking (hoping) it would be slightly better quality of the two...who knows ($47 including tax & base shipping). Got that in yesterday, so we put the two side by side to see what differences would be obvious. I have to say we were surprised that the aluminum piece is just slightly smaller at the core perimeter and they include a foam gasket to seal tightly, and hose outlets are bent correctly for the tight bends needed coming out of the firewall behind the pass cylinder head. So, at half price, maybe they'd be OK. We'll keep the aluminum one for back-up.
Dennis
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