Tire Size Questions
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Tuned
Joined: Dec 2012
Posts: 345
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Tire Size Questions
Hello All....I was wondering what the biggest tire size that can be put on my 1978 F250 Standard Cab with stock springs....that wont rub when turned fully in either direction???? I have 17" rims..
Thanks Pat
Thanks Pat
Moderator & parts slinger
Joined: Feb 2007
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From: S/W Missouri, Polk county
33x12.50x16.5's on my 77.5, it was fine setting still, but when I wheeled it hard, it rubbed the fender edge. I put a add-a leaf (80 bucks) on the front and its fine.
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Junior User
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I'm runnin 33x12.50x15's on my 78 with no problem. My front springs have been re arched though.
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Tuned
Joined: Dec 2012
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Thanks for the input....... if there are any outthere with 17" plz chime in the taller the rim the smaller the tire is going to have to be......on another question re-arching of the spring was mentioned.
Does this re-arch last on the original spring and was it cost effective as opposed to getting new springs at the factory specs???
Does this re-arch last on the original spring and was it cost effective as opposed to getting new springs at the factory specs???
Laughing Gas
Joined: Aug 2004
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From: Yuba City, Ca
personally i would run a 285/70r17 which is approx a 33x11.25 but i have seen a 305/70r17 on a stock 78 F250 and it cleared but to me looked funny cause it was wide and short (not the look i like). but a 285 to me would look good and be fully functional.
Moderator & parts slinger
Joined: Feb 2007
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From: S/W Missouri, Polk county
It can be done with the correct amount of "off set" or "back set/spacing" what ever its called on the rims...and or maybe a little caliper grinding for clearance??
See how deep set his rims are?
See how deep set his rims are?
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Joined: Mar 2013
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Correct. I did have to shave a little material off the calipers. I wanna say the back spacing is around 3/12"-4"