Magnum 500's Real or aftermarlet from the 70's?

Rustymopar · Sep 22, 2012

Hi -
My Superbee came with 4 of these magnum 500's. 14x6 and 14x7. They had the old Polyglass tires on them which I rook off today. The two back tires were like new with no checking cracking and full tread. My intent is to restore them if they are the real deal and have restored to put on my Superbee. They are in really good shape.

My questions are - Did Mopar use Mopar rims? These say Uni Style inside. No Mopar markings.
I also found a magic marker date written inside which I can only assume was written in when the tires were put on in 1973.

So now if they are not genuine OEM, I will use on my Coronet 440 R/T Clone and buy new aftermarket Magnum 500 rims for my SB. Any thoughts?

67 coronet · Sep 22, 2012

those look like after market #'s.do they have unilug pattern or just holes for the studs?give a pic of the front and back of the wheel.

Rustymopar · Sep 22, 2012

67 coronet said:
those look like after market #'s.do they have unilug pattern or just holes for the studs?give a pic of the front and back of the wheel.

Nope.. Just mopar bolt pattern. No other holes. Theyve been soda blasted. The black needs put back on.

PettyBlue72 · Sep 22, 2012

The magnum 500 was not made by any one auto manufacturer. They were aftermarket rims that Ford, Mopar, and GM all used on their cars. Just Ford and Mopar shared the same bolt pattern and both used 1/2" studs.

69Coronetrt · Sep 22, 2012

Aftermarket or other brand.

Mopar OEM rims are 5.5.

Date code on the one on the left looks like M4/3 making it a 73

PettyBlue72 · Sep 23, 2012

69Coronetrt said:
Aftermarket or other brand.

Mopar OEM rims are 5.5.

Date code on the one on the left looks like M4/3 making it a 73

Where are you getting that from? All Mopar car rims were 5x4.5" bolt pattern all the way into the early 80's. Only the trucks used a 5x5.5" bolt pattern. Mopar, AMC and Ford used the same 5x4.5" bolt pattern and GM used a 5x4.75" bolt pattern.

These rims were never OEM to any of the big 3, they were aftermarket rims that they put on there cars, period!

69Coronetrt · Sep 23, 2012

PettyBlue72 said:
These rims were never OEM to any of the big 3, they were aftermarket rims that they put on there cars, period!

On that we agree. I should have added the word 'wide'. Rims on a Super Bee would have been 5.5 wide not 14x6 or 14x7

PettyBlue72 · Sep 23, 2012

Ya sorry about that part. I figured out what you meant by the 5.5 after I had already posted my response.

Magnum 500's Real or aftermarlet from the 70's?

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