I was wondering if anyone knows how to clean up the heater housing and items on the firewall. Mine have faded from age and i would like them to look newer. What can be used on them. Would a deluted paint work?

Thanks for the help

John Woods

Start here:
http://www.chevelles.com/shop/resto_5.html

Look around Team Chevelle some more. There is lots of stuff here.

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1967 Malibu
1967 Impala SS396 Conv.

"Excuse - no matter how valid - never alters or changes performance" - N Eldon Tanner

Thanks Gary B the article was helpful but i also need to know about the plastic pieces like the heater housing. I have already painted the firewall and was getting ready to redo the heater core and housing before i but it back on.

Sorry John. Perhaps I misunderstood. I saw the word "firewall" and assumed that you meant under the hood. I should have read your post more carefully.
I don't know anything about 72 Heavy Chevys other than what I read here. I know there are some members that own them.
Heater boxes under the hood are almost always semi gloss black. Cars with air have an additional box under the hood that is a grey fiberglass. Fiberglass shines due to a gel coat that can be simulated with a clear gloss spray. The heaterbox under the dash is also semigloss black. You can paint the plastic pieces with any plastic compatible paint. Items like black plastic diffuser ducts are natural and I doubt you would want to paint them. If you just want to shine them up you could try a mild wax. Even something like Armor All might work. Another approach would be to clean them well then spray a coat of clear gloss over them - but then you might as well paint them.
That's all I can think of. Perhaps someone else will have better ideas.

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1967 Malibu
1967 Impala SS396 Conv.

"Excuse - no matter how valid - never alters or changes performance" - N Eldon Tanner

You can clean them up with a strong detergent first. Then lacquer thinner for the tough stuff. Then buff them carefully with micro-finish. WD-40 after that. That's if they're in realitively good shape. If they are oxidized heavily and have a porous surface, a straight black urethane paint would have to suffice.