255/60/15 vs 275/60/15

KBinc · Nov 25, 2024

Hello! I’m new here and would appreciate the feedback. I have an 1982 square body short box and I’m debating on staggering 255/60/15 up front and a 275/60/15 in the rear, of just going with a 275/60/15 all around. I have stock rally wheels and I’m going with a Mickey Thompson Sportsman S/T, white letters out all around. If anyone has any feedback or pros and cons or pictures of their setup in these sizes I’d greatly appreciate you sending them my way. Thanks!!

bucket · Nov 25, 2024

I run the very same tire size combo, but on my Chevelle. The tires were actually purchased to use on my C10, but the Chevelle was in much more of a need for tires.

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Ricko1966 · Nov 25, 2024

I'd run the 255s on all four corners 2nd choice would be the 275s on all four corners,reason being you can rotate them,a spare would be same front or rear and 20mm stagger isn't that big of a difference. 275s are going to be a little harder on steering components and frame.

SQ HAF KRU · Nov 25, 2024

Its all about you....what do you really like.....I'm a fat and skinny guy.....its just me, some like all 4 corners the same.....I do have a site I use Tiresize.com...I enjoy it, you can select 2 sizes, and they compare them for height, width, and diameter....the diameter deal really helps on late model vehicles....so you don't stray to far from OE and effect speedo much...try its fun...keep pics coming of your build

Johnny Atomic · May 29, 2025

KBinc said:
Hello! I’m new here and would appreciate the feedback. I have an 1982 square body short box and I’m debating on staggering 255/60/15 up front and a 275/60/15 in the rear, of just going with a 275/60/15 all around. I have stock rally wheels and I’m going with a Mickey Thompson Sportsman S/T, white letters out all around. If anyone has any feedback or pros and cons or pictures of their setup in these sizes I’d greatly appreciate you sending them my way. Thanks!!

here's what 255/60r15 looks like all the way around at stock ride height.

Grit dog · May 29, 2025

Ricko1966 said:
I'd run the 255s on all four corners 2nd choice would be the 275s on all four corners,reason being you can rotate them,a spare would be same front or rear and 20mm stagger isn't that big of a difference. 275s are going to be a little harder on steering components and frame.

Certainly the most fiscally responsible approach. Especially if it’s going be a high miles daily that you’re wearing out tires on. But for a cruiser/ Sunday go meetin truck, achieving the look may be more important at not much or any extra cost.
Although when I did the staggered setup on the 77, the 255s cost more than the 275s!!
To the OP, if you do go staggered width, decide whether you want them to look the same diameter or not. If you do both widths 60 series the rears will be slightly taller. Also a cool look, just mentioning it.
I did fat and skinny with different wheel offsets front and rear, but not big n little.

Finkaire · May 30, 2025

275/60/15’s all around

Finkaire · May 30, 2025

I saw these, looked to fill the wheelwells. 265/75/15’s if I blow up the picture, could be 255’s

Johnny Atomic · May 30, 2025

Finkaire said:
275/60/15’s all around

neither is a wrong answer

MikeB · Jun 2, 2025

I think 255-60 tires look short on a pickup, unless it's lowered quite a lot. And 275-60s are a bit wider than optimal for an 8" wheel. I personally prefer a 255-70s on 8" wheels, like in the photo below. If I had a do-over, I'd go to 17" wheels with ~29" tall tires.

But, as we used to say, it's whatever floats your boat!

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Scruffy49 · Wednesday at 9:01 AM

Width is determined by your wheels… 2wd rally wheels were 15x 6, 7 or 8 inch. My 85 swb shipped with 15x6 van rally wheels and P205/75r15s. Had P215/75s on all 4 corners for years, and then LT235/75s.
Since it is now a toy, right down to having a permanent “antique” plate… P215/70s and P235/75, car tread up front, all terrain rears. Both are “XL” rated, extra load, which basically means for large rwd cars. Truck no longer has a receiver hitch, switching out the step bumper for a sport bumper.
Run a tire size/brand/style that you can replace at any Walmart, Sams, Costco or chain tire shop. If you pop a tire out in BFE, having to order and overnight something is a pita.

ChuckN · Wednesday at 9:30 AM

KBinc said:
Hello! I’m new here and would appreciate the feedback. I have an 1982 square body short box and I’m debating on staggering 255/60/15 up front and a 275/60/15 in the rear, of just going with a 275/60/15 all around. I have stock rally wheels and I’m going with a Mickey Thompson Sportsman S/T, white letters out all around. If anyone has any feedback or pros and cons or pictures of their setup in these sizes I’d greatly appreciate you sending them my way. Thanks!!

Welcome! Post up a pic if you haven’t already!

As others have mentioned, it’s all personal preference vs fiscal. Throw in a dash of consideration of rear end gear.

On the lowered trucks, the 255/275 combination looks good to me. When I got mine and wasn’t lowered yet, it had 275/60 all the way around. I wasn’t a huge fan. Looking through this thread, on a non-lowered truck, the 255/70 that @MikeB posted look great to me.

TotalyHucked · Wednesday at 10:14 AM

Grit dog said:
Certainly the most fiscally responsible approach.

Pshhh, what is this you speak of? :crazy:

255/60/15 vs 275/60/15

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