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Tire for 15x10in w/ 5.5bs - 72 Cutlass

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Old April 17th, 2018, 03:34 PM
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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, 06:20 PM
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295/50r15
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Old April 17th, 2018, 07:55 PM
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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, 01:33 PM
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Originally Posted by Magna86 View Post
295/50r15
That's what a few others have said, too. Thank you!

Originally Posted by coppercutlass View Post
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, 08:06 PM
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I have 295 50. Look at my gallery
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Old April 18th, 2018, 10:04 PM
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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, 10:27 AM
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Originally Posted by Qwik71442 View Post
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, 10:39 AM
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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, 10:57 AM
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295/50/15

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Old April 19th, 2018, 01:11 PM
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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, 01:29 PM
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Originally Posted by Funkwagon455 View Post
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, 07:44 PM
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Originally Posted by Funkwagon455 View Post
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 01:49 PM.
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Old April 20th, 2018, 11:31 AM
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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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Old August 12th, 2018, 05:08 PM
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I tried the 275/60’s on mine and was not happy with the look, I thought the tire was simply too narrow for the wheel. I went with Mickey Thompson pro street radials 28 x 12 x 15, I choose these over drag radials due to new tread depth comparison, drag radials are soft rubber and come with 5/32, Nitto might be 6/32; the flame tread pro street radials only have 8/32 but the rubber will likely wear longer and mine were for visual appeal only, my car is all stock.
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Old August 12th, 2018, 05:59 PM
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How did the OP's wheels turn out?
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Old August 12th, 2018, 11:15 PM
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Originally Posted by grmchne78 View Post

Nice! Those definitely fill up the rear wheel well.

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Old August 13th, 2018, 10:16 PM
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Originally Posted by oldcutlass View Post
How did the OP's wheels turn out?
Hopefully by next week!
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Old August 15th, 2018, 08:47 PM
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I thought the 295’s were a little too short...
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Old August 16th, 2018, 02:07 PM
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Originally Posted by grmchne78 View Post
I thought the 295ís were a little too short...
I'm lowered, so I think that is going to look perfect for my build!

Photos to hopefully come next week.
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Old August 19th, 2018, 11:28 AM
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A small preview before she's complete this Thursday ​​​​​​​



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Old August 26th, 2018, 12:41 PM
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