CK5
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How will my K5/truck look with xx" tires on xx" of lift?

So when are some of those times?
The deal is not all 33 in tires are created equal. Some might actually be 32 in tall some might be 33 1/2 in tall. 1981 models and up have a larger front fender opening as well.
I can say I successfully ran 33x12.50x15 in tires on 15x8 rallies without any rubbing issues beside the inside of the tire touching the drag link on right turns.
What's the saying? Your results May vary?
 
So when are some of those times?
When they rub... youll find out.

I say this because it's hard to say, and depending on tires actual size and wheel offset, that will dictate whether you need to trim the fenders. It's not really a yes or no answer, it's more of a sometimes type of answer.

If you're not afraid to trim, then get the tires you want and proceed accordingly.
 
@Bob39666 wheel width and offset are a major factor in what fits. The truck you quoted has ralleys so they are narrow (8”?) and have stock backspacing which is around 4.5”, any wider or less backspacing would almost certainly make the tires rub.
 
So when are some of those times?
@nvrenuf pretty much said it.
Narrow wheels that tuck in will make a 33" tire no matter the width, fit with no rubbing.
I had a set and they were great, then I got a set with wider 10" wheels and stick out more and I had to cut the rear and front lip.
It was bad not just rubbing but catching the lip and ripping it
 
A K10 (Blazer, pickup, or Suburban) came standard with two front leaf springs, and optionally with three front leaf springs. That also makes a difference.

What condition are your body mounts in? That makes a difference.

There are a lot of variables.

Martin
 
I'm running 33x10.5-15s on stock height K5.
No rubbing at all.
 
@nvrenuf pretty much said it.
Narrow wheels that tuck in will make a 33" tire no matter the width, fit with no rubbing.
I had a set and they were great, then I got a set with wider 10" wheels and stick out more and I had to cut the rear and front lip.
It was bad not just rubbing but catching the lip and ripping it
Somehow the PO of my K5 mounted BFG 33x12.5x15 on 15"x12" rims they rubed on the rear lip. I remounted on 15x8 no issues
That was with a 3" lift.

57341104597__6B605AE4-311B-45B3-B6D7-5320718822AE.JPG

K5 New Paint (5).jpg
 
@Bob39666 wheel width and offset are a major factor in what fits. The truck you quoted has ralleys so they are narrow (8”?) and have stock backspacing which is around 4.5”, any wider or less backspacing would almost certainly make the tires rub.
My 89' has 3.75" backspace and I have less than 3/8" of space between tie rod and rim on 15" rim
Are there different tollerances with the three diffent 4x4 tie rod set ups? Is one "Better" than the other Top down vs Bottom up Tie Rod?

K5 Front Suspension (6).jpg

K5 Front Suspension (5).jpg
 
That first pic with the 12’s? Not gona lie, i like the way that looks on there with 12.50’s. Doesnt look stretched, looks to fit nicely.
Oh I know.
I had my 31x10.5 on a 10" rim and they looked great but then I put them on 8" rims and it did a lot better performance wise.
I am more about function with a dash of looks
 
That’s a big unit!
The Office Thats GIF
 
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