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'07 GP with '04 Grand-AM Pontiac Chrome Rims, what do you think ?

rocknron29

rocknron29

New member
Hey Guys & Gals, I added my old GA rims to my 07 GP this week. (summer tires are brand-new and couldn't bare to get rid of them.) They are 225/50/16 's, replacing the original 215/70/17 's in my profile pic. Had to make some modifications to get them to fit past the Calipers (shaved inside Chrome lip).

Just wondering what you think ? I think they look pretty good. They handle nice too. Even lowered the car by 2".
View attachment 9001View attachment 9002
 




I was thinking about getting bigger wheels, but if you counter act and increase in rim size with a decrease in tire size wouldnt they offset?
 


First, there is no way you had 215/70/17's. Those tires are 2" taller than factory and would never fit.

Second, 225/50/16's are WAY too short. They are only 24.85" tall compared to 26.74" factory height.

You didn't lower the car, you only increased wheel gap.
 
yeah the stock 17" is 225-55-17 which is the same roll out size as 225-60-16

for the ones who dont know:
225 is tread width in mm
60 in what is know as the aspect ratio or basically % so 60% of 225 is 135 which your side wall height is in mm
and the obvious 16 is the rim size in inches

other tire info to keep in mind:
tire speed rating for our cars you will normally see S-V, S=112mph, V=149mph then there are Z rated tires W&Y W=168mph Y=186
load index how much each tire can handle in pounds starts at 71-110(car and light truck)

now higher speed rated tires not only tend to have a softer(stickier) tread compound that also have a stiffer side wall for better cornering
 
Those Grand Am rims are a no go, i rather roll around in my impala hubcaps....that are spray painted, for the winter.
 
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