you measuring sounds correct, but I would bet the offsets are more like +40 / +45
technically measurements are supposed to be taken from the bead area of the tire, which is difficult to do accurately...
are you sure your numbers are exact? even 1/4" is 6.3 mm
-cody: maintenance forum moderator
- Bridgestone/Firestone, Michelin/BFGoodrich certified
- ASE certified, Motor Vehicle Inspector, HVAC Licensed
- Lots more certs, too many to list here!
2001 Lexus IS300 - 650whp/610wtq (Virtual Dyno)PTE 6765/AEM Infinity - Auburn Sky Pearl (1 of 1348)
1999 Isuzu VehiCross 285/75-16 Destination MT's - Astral Silver Metallic (1 of 1021)