If I'm not mistaken (and if anyone knows differently, PLEASE correct me), the offset is a measurement off how far the mounting surface of the wheel is from the centerline of the rim. So, if the stock wheel is 7" wide and has an offset of 28mm... and compare to a similar width wheel of 7" but with a 6mm offset, the 6mm offset would stick out further by 22mm... now if your changing to an 8.5" rim with the lower offset, you'd have to do some calculations... if the offset was zero... you would have an extra 3/4" of rim towards the frame, and an extra 3/4" wheel sticking out of the wheel well... but now you have to factor in the 6mm offset... my brain is too cooked right now to do that... so run with it and see what you get. It would be easier if I was fluent in SAE to Metric conversion! lol Does any of that make sense?

TTYL!

Coach... I mean Randy (I often forget who I really am)

Undergoing LS1 Conversion as we speak!
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