I just bought an 87 Pickup off my friend. After i pull the engine and replace the rings and bearings and get everything back together, I plan on putting new tires on it. I want to put 31x10.50x15s on, but I was curious as to how big and wide i could go before I have to worry about rubbing. Everything it stock as far as I know.

It might sound like a dumb question, but I want to make sure before i go putting money out for them.

 

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welcome aboard!

 

Should fit fine w/ stock rims:
- http://www.4crawler.com/4x4/ForSale/...it.shtml#FAQ10

You may consider regearing the axles, but not required. Factory 31" tire option included 4.56 gears for manual tranny and 4.88 for automatics.