Hey I'm looking at going with some new tires on my 93 duellie whats the biggest size I can go with no rubbing and with stock ride hight it is 4 wd

 

IDK what stock 1st gen is but I have the mystery truck on a stock 2nd gen frame with the 90 body and all I could clear was 285/75/16 tires measure 31.8 mounted lift it 2in and I can get 35's

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they also make this sweet thing called a torch and fender flares LMAO

go to the tire shop and see what they recommend

 

Tire shop don't know I need an exact size also whats the bolt pattern and where can I get so after market dullie wheels

 

285/75R16 is an exact size

 

not sure on a dually but I ran 315/75/16s on my 90 W250 and only had to trim the front fenders a bit...