Tire for 15x10in w/ 5.5bs - 72 Cutlass - ClassicOldsmobile.com


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Old April 17th, 2018, 02:34 PM   #1  
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Question Tire for 15x10in w/ 5.5bs - 72 Cutlass

Hello!

I have a 1972 Cutlass Supreme Convertible, lowered 2 inches, and have the stock 14 inch SSII wheels. I want to keep it as original looking as possible, but the skinny wheels/tires on the rear looked tedious to me.

McWheels is making me a pair for just the year wheels for better stance and performance. They will be SSIIs that are 15in x 10in wide. 5.5 inch backspacing.

The question; what's the largest and widest tire I can put on the rear without modifications?
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Old April 17th, 2018, 05:20 PM   #2  
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295/50r15
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Old April 17th, 2018, 06:55 PM   #3  
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275 60 15. they look great. I'm not a fan of the 295 50 profile. Everyone whats to stuff the widest tire but to me it has to be proportionate. They are tucked in wide but don't stick out and look dumb imo.





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Old April 18th, 2018, 12:33 PM   #4  
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295/50r15
That's what a few others have said, too. Thank you!

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275 60 15. they look great. I'm not a fan of the 295 50 profile. Everyone whats to stuff the widest tire but to me it has to be proportionate. They are tucked in wide but don't stick out and look dumb imo.

Car looks great, thanks! I have some wide tires in the front, so 295s do not look too wide for me. They are actually still the skinniest tire I've put in any of my RWD cars

However, your setup looks great!
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Old April 18th, 2018, 07:06 PM   #5  
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I have 295 50. Look at my gallery
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Old April 18th, 2018, 09:04 PM   #6  
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Originally Posted by 72goldolds350 View Post
hello!

I have a 1972 cutlass supreme convertible, lowered 2 inches, and have the stock 14 inch ssii wheels. I want to keep it as original looking as possible, but the skinny wheels/tires on the rear looked tedious to me.

Mcwheels is making me a pair for just the year wheels for better stance and performance. They will be ssiis that are 15in x 10in wide. 5.5 inch backspacing.

The question; what's the largest and widest tire i can put on the rear without modifications?
325/50
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Old April 19th, 2018, 09:27 AM   #7  
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325/50
Not many choices in that size outside of drag radials, DOT bias ply drag tires in that size, or M/T Sportsman S/R or Pro type tire @28" diameter. The M/T tires are expensive and nor great for the street.
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Old April 19th, 2018, 09:39 AM   #8  
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Nitto has a few sizes . Although mine are drag radials they work great on the street in mild rain ok.
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Old April 19th, 2018, 09:57 AM   #9  
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295/50/15

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Old April 19th, 2018, 12:11 PM   #10  
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5.5" is a lot of backspace, my 295s are close to the inner wells at 4.75".
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Old April 19th, 2018, 12:29 PM   #11  
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5.5" is a lot of backspace, my 295s are close to the inner wells at 4.75".
Mine are 5" backspacing with 295 and they are not even close to the inner wells. I think 5.5" is perfect. Occasionally I run my 18's and they are 18x10 with 5.75" backspacing, 305/40/18 tire and there is still plenty of room.
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Old April 19th, 2018, 06:44 PM   #12  
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Tires

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5.5" is a lot of backspace, my 295s are close to the inner wells at 4.75".
10 inch wheels need 5.5" BS to be centred in the wheel wells on a 70-72.

275 60 15 is all the tire you need. If you are spinning you need suspension work.

Last edited by oldsmobiledave; April 20th, 2018 at 12:49 PM.
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Old April 20th, 2018, 10:31 AM   #13  
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Looks like I'll be getting some 295s here soon.

I'm in the middle, rather the beginning, of a 9in rear end swap w/ 3.73s. I'll post photos of both the rear end and wheels/tires installed once completed in a month or two!
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