As for blocking the heat crossover:
I did that on one of my cars and got a TERRIBLE exhaust resonance around 2500-3000 RPM. I have an X-pipe, so maybe that was part of it, but the noise was so obnoxious that I immediately openend the crossover again.
It came on and off like a light switch, and based on my street address it always seemed to hit when driving past an old lady's house (even under normal driving). Not acceptable to me -- because it might not be acceptable to her!
Parts I seek:
driver doorpanel, 65 Sport Fury, prefer black, needs to be 7-8 on 10 scale, might buy set
16" x 6" Dodge truck wheel(s), from early 70s?, takes 9" dogdish - need for a research job so cheaper is better.
69-73 C-body caliper brackets and/or splashields
Send a PM.
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