Opel GT Wheel Offset
I am trying to figure out what an acceptable wheel offset is for an Opel GT. I have read on this site that the stock Opel GT Rims are 13 x 5, ET25.
I recently bought a 1973 parts car with "73 Ralley" wheels, 3 of the wheels are stamped "GT" and one is stamped "WAGON". The "WAGON" stamped Wheel is marked 13x5 ET37. The wheels all measure the same.
Here are my questions:
-Did the GT come with ET37 offset wheels, at least in 1973?
-Do you want to adjust offset to match the backspace if you are changing rim width? How much can you change it w/o effecting suspension geometry?
Last edited by opelgt1976; 11-09-2009 at 06:24 AM.
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