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Bigger tires

Clint Bazemore

Active Member
Joined
Nov 26, 2017
Messages
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Location
Mebane, NC
Hello everybody. Need some help with wheels and tires. I have a 1987 dodge w150 in stock condition. Looks like 33x12.50x15 tires will fit the truck without a lift but need help with the correct wheel width and offset. Thanks for the help, Clint.
 
I had an 87 W100 Short box with the same size tire. I used stock wheels.

14JUN12 left rear f.JPG


14JUN12 right.JPG
 
I wish I could find a set of those wheels.
I had an 81 w150 and with stock plain steel wheels I could use 32's, tried 33s and they rubbed. There were 2 different width of 33s back then, most common was 12-1/2 wide, there was a lesser known 10-1/2 wide made and I think those would have been fine on my truck. But didn't have any available at the time.
Since the 32s fit fine, I didn't worry too much about that last inch of height. Originally it had 235/75/15s which were tiny by comparison.
With 3.21 gears, the 32" tall tires, and a factory 318 4 barrel (thermoquad) that thing got surprisingly fantastic mileage especially on the highway
 
How far into MINN are you?
I was camping 2 different times around Madison WI over last summer...
If I wasn't already near there it's too far to go just for that.... Im like an hour south of Chicago

My truck is an 85 d150 (2wd) Long bed
I have some nearly bald "rollers* on it right now sitting here in the garage while I work on it,
I really like the look of those wheels you have, but have been kicking the idea of going to a 16" wheel largely because 15s are getting so much harder to find. I have a 96 Dakota with 235s on it, and I had a hard time finding them last time (same size as id need for my 85)
 
For a 1987 Dodge W150 with 33x12.50x15 tires, a good wheel width would be 8 inches. This width will give you enough space for the tire without rubbing.

For the offset, you’ll want something around -19mm to -25mm (negative offset). This will push the wheels out a bit for better clearance and give it a nice stance. Just make sure to check the clearance on the fender wells, as tire size can still cause rubbing depending on how the truck is set up.

Hope that helps! Let me know if you have more questions.
 
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