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What Tires are Which?

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Old 04-15-2018, 01:39 PM
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Car: 1989 Pontiac Formula
Engine: 5.0L 305 (Stock)
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Axle/Gears: (Stock)
What Tires are Which?

Question question: Which rims are these or did they belong to another car?

I have a 1989 Pontiac Formula with what I thought were a set of GTA rims, but I bought a 1986 Trans Am for parts this week and they also have GTA rims, but have a lip on them, which the ones that came on my Formula do not have.

Pictured below are the rims from both cars Rims that were on my 89 Formula.
Rims that were on my 1986 Trans Am
Old 04-15-2018, 01:41 PM
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Re: What Tires are Which?

Rims that came on my 86 Trans Am
Old 04-15-2018, 02:59 PM
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Re: What Tires are Which?

Only one of your pics is working...

These are aftermarket. Could be any number of brand names, it was a popular style in the 80s, but they aren't original equipment on a thirdgen.
Old 04-15-2018, 03:30 PM
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Re: What Tires are Which?

Thanks Drew! That's why I couldn't find these rims anywhere online. I bought the 86 TA for the engine and other parts. My father had a friend who wanted to buy the gta rims, but now that I know I have actual gta rims, I may see if he will take the aftermarket ones.
Old 04-15-2018, 04:12 PM
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Re: What Tires are Which?

That last pic are early GTA style wheels. AKA non-dimpled. The dimple refers to the point where two spokes meet at the rim. Early wheels are smooth/flat/non-dimpled, late wheels have another relief. Not sure it really matters too much, but FWIW.
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