Pontiac Grand Prix

Grand Prix owners groups. Open to ALL Grand Prix, 78-87 or otherwise.

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G-Body Specific
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Sundancer
First, please forgive me for asking what may be a simple question but I am not that mechanically inclined. I would like to actually change from a 14 standard size tire to a 15 size tire on my 1985 Grand Prix.
I am wondering if this is as simple as finding rims that fit and just getting 15 size tires ?

Dont get pissed, I just dont know the answer and figured this hopefully will be the place to get expert advice.
1evilregal
1evilregal
I'm actually running 16's on mine. if you don't want to alter suspension/speedometer, check some of the tire sites... they will usually have a tab for different rim size/what tire size to run
MYFINE79
MYFINE79
I am running 17 x 8 boss 338 rims. & BF GOODRICH g-Force C)MP 2 245/45ZR17 tires. They look awsome. there is a lot of room in the wheelwell to fit larger rims & tires.

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