255/85R16's On a 1st gen
12-09-2007, 11:35 PM
#32
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i thought your suppose to have a gap btwn you dual rear tires, BANDIT1 so they don't wear on eachother and blow out under a load geuss if yer not haulin alot of weight ya don't need to worry.
12-09-2007, 11:40 PM
#33
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12-09-2007, 11:53 PM
#34
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Those same tires, mounted on 1st Gen. rims, would have to be aired up after bolting on the truck, or you couldn't get the nuts to catch on the studs.
What I see from DRW tires that are contacting/touching is that the fiber "strings" will be hanging loose from the sidewalls on the inside of the tire, much like a radial tire that has been ran with too low air-pressure.
Add the weight of a big gooseneck and they will over-heat and explode.
I will say that those 255s sure look good on that truck.
I am going to experiment with my Ford/Cummins and see if the front will clear the 255s when steering.
The radius-arms already have a polished spot from the 235s touching them when the wheels are cut all the way.
If I can run them on the front, I will build a spacer to push the rears farther apart.
Don't anyone have a wheel-spacer panic-attack; when I build a spacer, it will be stouter than it was before.
The increased height of the 255s should improve mileage somewhat, maybe giving back what the communist fuel took away.
12-10-2007, 12:38 AM
#35
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I've always liked the 255-85 size, but my '92 has the 285-75's on it now. If you're curious, see it in my photo gallery. They do rub a little bit on the rubber fender trim, but so far it hasn't ripped the trim off. I'm betting the 255's wouldn't hit the trim.
12-10-2007, 02:16 AM
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12-10-2007, 05:21 PM
#37
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Another way to look at it :
Over-all inflated width of a Toyo M-55 255-85-16 LR-E = 10.4"
O.A.W. of a 7.50-16 = 8.3"
O.A.W. of a 235-85-16 = 9.3"
The 7.50 and the 235 are exactly the same height at 32".
The 255 is 33.3" tall, a gain of 1.3", which doesn't sound like much, but will look like a foot when mounted on a truck.
If you currently have 7.50s on your truck, the 255s will be closer to each other by 2.1", meaning that much less space between the tires.
If you currently have 235s, the 255s will be closer by 1.1".
Over-all inflated width of a Toyo M-55 255-85-16 LR-E = 10.4"
O.A.W. of a 7.50-16 = 8.3"
O.A.W. of a 235-85-16 = 9.3"
The 7.50 and the 235 are exactly the same height at 32".
The 255 is 33.3" tall, a gain of 1.3", which doesn't sound like much, but will look like a foot when mounted on a truck.
If you currently have 7.50s on your truck, the 255s will be closer to each other by 2.1", meaning that much less space between the tires.
If you currently have 235s, the 255s will be closer by 1.1".
I will add this little bit of information to the program.
235-85-16 and 7.50-16 tires are average height of 32" and make 650 revolutions/mile.
255-85-16 are 33.3" tall and make 624 revolutions/mile.
12-10-2007, 07:38 PM
#38
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12-11-2007, 05:59 PM
#39
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I just went from 255-85 Courser to 285-75 Cooper Discover ATR's on my 92. They are just alittle wider. Can't say to much more just did this yesterday. I have about 2-2 1/2"'s of lift,so no rubbing. Thanks Steve B.
12-11-2007, 08:12 PM
#40
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I've ran the 255/85's on a '90 Chevy dually, this '96 Dodge, and also the '99 Dually, and have never blown one of them out. I got a little over 80,000 miles out of the set on the '99 Dodge, and all three of these trucks have pulled Case 580 backhoes on gooseneck trailers. The '96 and '99 have also pulled a John Deere 650 H dozer we had, with a full cab on it. I just always make sure they are properly inflated, and have never had a problem.
12-11-2007, 10:22 PM
#41
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12-12-2007, 01:33 AM
#42
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12-12-2007, 04:02 PM
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12-15-2007, 10:36 PM
#45
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