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Ihave a 35 1 ton with two diffrent size tires but are on origanal split rims the sizes are 600/20 30x5 one tire,other tire is 700/20 32x6 what diamater and whith rim do I have, A guy said he has 6 wheels and new Lt-225x75r16 on a set of ford e350 wheels I was wondering if i could cut out the centers on the 35 and weld the e 350 ford outer rims together and use the modern type tubless tires. the ford weels came from a box truck not sure what year ford both trucks are duall rear wheels

In 1935 the measurement standards for wheels and tires had in recent years changed. Gone were standards that based sizing on the outside diameter of the tire, known as "high pressure" tires, and in was sizing based on wheel size. The diameter and width were now measured at the base of the wheel's bead seat. These tires were called "balloon" tires. This is the reason your truck's tires have two sizes shown. The 30x5 is the "high pressure" sizing, and the 600x20 is the "balloon" sizing. The below early 1930s chart shows what equates to what.

I guess it's your truck and you can screw with it any way you want, but cutting up old 20" wheels and squeezing their centers into modern 16" tubeless rims and tires won't be a good solution IMHO. Besides looking like heck they'll rub badly on the extremes of the turning radius since any modern tire will be too wide for the truck. Places like Coker Tire, Universal Tire, M. E. Miller Tire, and Lucas Tire sell reproduction tires in old sizes to fit your old rims. These will cost you money, but won't ruin the value of the truck in the process. That'd be my suggestion. Stu McMillan

http://i286.photobucket.com/albums/ll89/truckdog62563/Wheel%20Profiles/rimtireconvertionchart.jpg

I agree with Stu that 20" tires on your old rims are a good choice for a truck that old.

Or, if you're determined to run newer wheels I suggest you look into some 19.5" 10 lug wheels from a GM P30 chassis. I can't say how they will fit, or if they will even fit over your rear drums, but I can guess that they will need a bushing in the center hole (hub piloted). Otherwise they should be the same 10 lug on 7.25" circle I think you already have.
Not saying they are a perfect solution, but might be a compromise, and look at some 8R19.5 tires.

Grigg

I was just trying to find something more modern that some of you have come across because the outside rims are rusted and I dont know if I can save them, plus cost is more of a factor then keeping the oem look. I keep running into this rubbing problem any more thoughts guys thanks

Then find some of the 10 lug 19.5 wheels like from a P30 or a 3500HD truck and see what they look like on your truck.
http://rides.webshots.com/photo/1484197212080251109WWokCv


Grigg