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Is there any difference in the latter (80-82) wheels from the earlier(76-79) alluminum wheels other than the black paint around the hubcap and different hubcap styles? IE can you replace an eariler wheel with a late model one just by painting the center to match?
You'll have to look real close but there is a machined difference between the two wheels. I think the smooth surface was used in 80 - 82 and a machined finish (small grooves?) was used in the earlier years. I had a mis-matched wheel on my first '82 - was from a pre-80 car, tried to remove the black center paint but eventually bought another wheel to match.
I have a set of N90 aluminum wheels with the Black center-section that I plan-on having chrome plated:
any problem with chroming these wheels with the Black centers?
From: Pottsville, PA. USA Home Of America's Oldest Brewery Yuengling
Originally Posted by den(thevetteman)78
I know the early wheels can't be polished to a chrome like finish but the late one you can.
Yes they can!!! I do it all the time. You must first use paint stripper to remove the clear coat. Then buff them with a good aluminum compound using a 3" buffing wheel on a electric wheel.
They will come out like chrome but it takes about 1 to 2 hours per wheel.
Yes they can!!! I do it all the time. You must first use paint stripper to remove the clear coat. Then buff them with a good aluminum compound using a 3" buffing wheel on a electric wheel.
They will come out like chrome but it takes about 1 to 2 hours per wheel.
Early wheels will come shiny but not as much as a late model wheel. My friend polished a lot of corvette rim and that's what he told me.
That is what I did yesterday! Took off the wheels from my 78 Pace Car. Used rubbing compound on a rag to get through the clear coat, when the compound and rag turned dark gray, I knew I was there. Finished polishing with Mothers, and they look great! I also sanded the inner black places, masked off from the front, and painted black from the back. Then finally, I re-did the red pinstripe. They look great. As mentioned earler, the whole thing took about 1 1/2 hours per wheel. Well worth it!
I think they were first available in 1977, the original wheels were not clear coated and had a dull look from the factory. The wheels were seen and rumored to be available since 1973 but the first time I know of was 77.
You have to look closely to detect it, but there are two distinct openings on these wheels. On some the openings are rectangular and on some they are trapezoidal, (spokes are pie shaped on some and straight on the others). If you mix them up, on the same side of the car it is very apparent so you need to compare them side by side before you buy a replacement. The backsides of the wheels have more differences based on who manufactured them for GM, but that shouldn't be a problem.
With enough elbow grease, any of these wheels can be polished to a "chrome-like" finish. And as I've said many times before (sorry about that) they're almost maintenance free. Not to mention the ease with which you can remove minor scratches and even curb marks.