Max front wheel size and offset for 69' Cuda w/ BB and chassis exit headers

Hemioutlaw said

What a logical explanation, Once again I offer my supreme gratitude.

I had thought that because my application was a 69' Cuda which has it's own inherent wheel well limitations that perhaps it would be more prudent to go with the 15 x6 but honestly didn't know.

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Ok, so, I was working under the assumption that both wheels used the same offsets. The factory cop wheels were 15x7 and have 4.25" of backspace (+6 offset). I see now that the wheel vintiques reproduction 15x7's only list a 4" backspace (0 offset) while the 15x6's have a 3.75 backspace (+6 offset).

You need a +6 offset to pull off the 225's. So, I would actually use the 15x6's if you're buying the wheel vintiques. It's really dumb that the 15x7" wheel vintiques have a 4" backspace, the factory used 4.25" for a reason. Sorry about the confusion. If the offsets were the same I'd use the 7's all day long.