Post up your "big wheeled" cars...AKA...17's or larger AND ADD YOUR BACKSPACING INFO!!!!!

nicks78camaro

Veteran Member
Apr 3, 2010
867
Pittsburgh
Pulled the trigger today on:

Vision 148 wheels
17x8 4.5 BS 2454517
17x9 5.0 BS 2754017

Thanks to all who posted specs to help guide fellow members
 

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TIP-T0P

Veteran Member
Nov 4, 2022
198
Contra Costa County
I've been really leading towards these American racing wheels more I keep looking at them they come in 18.8s and 18.10s. I think the black with highly polished accents will really look nice with my gold blk/Stripe '71!
 

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Twinn Engines

Member
Oct 10, 2014
39
Tampa, Florida
Hello,
Long time member, finally getting to where I can put my UMI suspension kit on and drop my wheels on, but I am having concerns about what rims I have and what tires are the best fit.

The closest approximation that I could find was from member "ZEDzag", he has apparently had the two wheel and tire sizes below:

18x8 fr 4.5 bs 245/40/18

18x9 rr 5.0 bs 275/40/18

--------- AND/OR -------

18x8 fr 4.5 bs - 245/40/18 fr

18x9.5 5.5 bs - 275/40/18 rr


My rims are as follows in the attached image and below
1670621496030.png



From what I can tell in this thread, I should be able to do:
Front Wheels: 18x8 fr 4.5 bs
Tire Size: 245/40/18

- Will those work ok on the front?



My back wheels are what concerns me
Back Wheels: 18x9 rr 5.0 bs
Tire Size: ???

Questions: The above says that I could possibly use 275/40/18....will this work w/o issues or modifications?

I spoke with Keith at CW and he recommended 275/35/18 as the perfect size. Has anyone tried these and how do they look on the car? The UMI suspension is supposes to be a 2" rear leaf drop.

Thanks for any help you can provide.

v/r

Twinn
 

TIP-T0P

Veteran Member
Nov 4, 2022
198
Contra Costa County
Hello,
Long time member, finally getting to where I can put my UMI suspension kit on and drop my wheels on, but I am having concerns about what rims I have and what tires are the best fit.

The closest approximation that I could find was from member "ZEDzag", he has apparently had the two wheel and tire sizes below:

18x8 fr 4.5 bs 245/40/18

18x9 rr 5.0 bs 275/40/18

--------- AND/OR -------

18x8 fr 4.5 bs - 245/40/18 fr

18x9.5 5.5 bs - 275/40/18 rr


My rims are as follows in the attached image and below
View attachment 152235


From what I can tell in this thread, I should be able to do:
Front Wheels: 18x8 fr 4.5 bs
Tire Size: 245/40/18

- Will those work ok on the front?



My back wheels are what concerns me
Back Wheels: 18x9 rr 5.0 bs
Tire Size: ???

Questions: The above says that I could possibly use 275/40/18....will this work w/o issues or modifications?

I spoke with Keith at CW and he recommended 275/35/18 as the perfect size. Has anyone tried these and how do they look on the car? The UMI suspension is supposes to be a 2" rear leaf drop.

Thanks for any help you can provide.

v/r

Twinn
I personally like the look of the 40s over the 35s, just like the look of more sidewall tire on the back.
 




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