how do you know what offset to get?

[KramerSwinger70]

i may eventually get new wheels but my main concern now is my girlfriends 66 mustang (yeah yeah, not an a-body, but its all the same). how do i find the offset to get for rims? i assume its the same procedure on any car.

thanks

 

[abodyjoe]

measure, measure, measure...

 

[abodyjoe]

http://www.millertire.com/FAQs.asp