edw99

I have a 1994 150,302 which came with 275/60/r15's and custom wheels that came w/truck, I believe they are 10" what is the smallest tire I can put on this wheel.

360ci

On my truck I have 9" wide wheels and run 275/60R17 tires. If your wheels are 10" wide you might be out of luck with going with a narrower tread. At 15" wheel your lo profile options are limited with such a wide tire, but shop around and you might find a 55 or 50 sidewall. If you go with a smaller sidewall you may have to get 285 width depending on the recommended wheel width from the manufacturer.

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'99 Taurus 3.0L 2V Vulcan 145hp; 124,250m
'00 Durango R/T 360ci 300hp (modded); 112,800m
'06 Pontiac G6 GT 3.5L 220hp; 21,100m

Amsoil in all vehicles!