Filling a k10 wheel well, best wheel to tire ratio

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nickdaddydollar

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Nov 23, 2019
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Location
Knoxville tn
First Name
Nick
Truck Year
1979
Truck Model
K10
Engine Size
350
I'm in the market for some new tires, and possibly some different wheels for my 79 k10. Im running 31/12/15
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at stock ride height, and they kinda look silly IMO. I'd like to fill the wheel well a little more, and I like the taller, thinner tire look. Plus I'm hoping to get a little better mpg out of the thinner tire.
From what I've read, 33 inches is the max my wheel well can fit without modifications, so I found a couple different wheel/tire options I could go with.
I'd like to see some pictures if possible, and hear some opinions, of different wheel sizes with tires that fill my wheel well.

33/10.5/15
255/85/16,
255/85/17
275/70/18
245/70/19.5

Any pictures of these would be greatly appreciated.
 

nickdaddydollar

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Knoxville tn
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Nick
Truck Year
1979
Truck Model
K10
Engine Size
350
OP, your truck either has the worlds healthiest stock springs or those are lifted front springs. Not a lot looks to be 2-3”.

I thought it looked a little high also. There's a lot of space between the tire and the fender.
 

78C10BigTen

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pennsylvannia
First Name
Ted
Truck Year
1978
Truck Model
C10 BIG TEN
Engine Size
350
I'm in the market for some new tires, and possibly some different wheels for my 79 k10. Im running 31/12/15
You must be registered for see images attach
You must be registered for see images attach
at stock ride height, and they kinda look silly IMO. I'd like to fill the wheel well a little more, and I like the taller, thinner tire look. Plus I'm hoping to get a little better mpg out of the thinner tire.
From what I've read, 33 inches is the max my wheel well can fit without modifications, so I found a couple different wheel/tire options I could go with.
I'd like to see some pictures if possible, and hear some opinions, of different wheel sizes with tires that fill my wheel well.

33/10.5/15
255/85/16,
255/85/17
275/70/18
245/70/19.5

Any pictures of these would be greatly appreciated.
Btw i zoomed in and noticed... hey @Goldie Driver i think its a squircle!!
 

Goldie Driver

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Houston, Texas
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Britt
Truck Year
1980
Truck Model
GMC K1500 Suburban
Engine Size
350
Btw i zoomed in and noticed... hey @Goldie Driver i think its a squircle!!

Nice thought, but I do not believe so on a '79, although they certainly could have upgraded.

:p


Still partial to the round eyes, but that 80 Chevy grille with the squircles sure looks good !!
 

Dutch Rutter

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Joshua
Truck Year
1984
Truck Model
K20
Engine Size
5.7
Here a picture of mine with the 33x12.5 0n 16.5s truck has 2" or so of lift.

Second picture is the same truck with 265x75x16 (summer tires for now) definately look a bit goofy compared to the 33s.

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I'm not sure if the year differences make an impact on this or not. Probably it being a k20 makes a difference.. forgot to mention that.
 
Last edited:

nickdaddydollar

Junior Member
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Nov 23, 2019
Posts
10
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14
Location
Knoxville tn
First Name
Nick
Truck Year
1979
Truck Model
K10
Engine Size
350
Here a picture of mine with the 33x12.5 0n 16.5s truck has 2" or so of lift.

Second picture is the same truck with 265x75x16 (summer tires for now) definately look a bit goofy compared to the 33s.

You must be registered for see images attach


You must be registered for see images attach


I'm not sure if the year differences make an impact on this or not. Probably it being a k20 makes a difference.. forgot to mention that.

Tough looking truck brother.
It looks like all the cool kids are staying in the 15, 16 in wheel range.
 

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