CUTLASS Opinion and fitment?? Need Help!

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WanaBa442

G-Body Guru
Aug 5, 2017
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20180524_181956.jpg Clearance to frame.jpg upper clearance.jpg Found this set of wheels for sale locally.
15", fronts are 15x7 with 4" backspacing, rears are 15x8 with 4.5" backspacing.
Took the rears home for a trial fit, tires won't be staying on.
First pic is for opinion, look OK to you?
Next pics are frame clearance, tire on now is a 255/60/15, but worn out.
Anyone running 4.5 B/S on the rear, and what size tire?
Tried the 4" B/S on the front (bare rim) looks like everything clears except maybe the brake line bracket will be close with a fat tire at full lock?
Gotta let the guy know tomorrow, don't want to pull the trigger on something that won't work.
Lil help here?:doh:
 

oldsmobile joe

Royal Smart Person
Nov 12, 2015
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for the fronts, 4-4.5" bs is fine, as long as it clears the brake calipers. tires size will determine if they rub, but usually only on tight turns.
rears could use at least a 1/4" spacer, maybe a little more. otherwise the tire will rub the frame rail when running the clover leafs.
 
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Oct 14, 2008
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Tough to tell, how close is it to the frame? I would go maybe a 235/60R15 max on the front. If there is enough frame clearance a 255/60R15 should work well on the back.
 

WanaBa442

G-Body Guru
Aug 5, 2017
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With the 255 tire currently on there, it has 1/4 " gap between the sidewall and the frame.
Tire is listed as 10.2" wide, whereas a 235/60/15 lists at 9.1".
With an 8" rim, there wouldn't be much for sidewall bulge, but hoping it wouldn't look like an elephant wearing a tutu........
 

motorheadmike

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Nov 18, 2009
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You are fine in the back. Even a 1/8" spacer would be plenty extra.
 
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