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ZR1 17x11 backspacing?

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Old 10-23-2009, 01:12 AM
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Default ZR1 17x11 backspacing?

What backspacing on the 17x11 ZR1s makes them stick out more than the other? I had them on my old car, but i never knew the BS.
Old 10-23-2009, 02:41 AM
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Originally Posted by Blac94z
What backspacing on the 17x11 ZR1s makes them stick out more than the other? I had them on my old car, but i never knew the BS.
the offset accounts for that as well. there is the grand sport offset, which is 36mm, and the regular ZR1 offset, which is 50mm. thats a little more than half of an inch, which brings it more flush with the fenders
Old 10-23-2009, 06:05 AM
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you want the +50mm offset- is what I have and they sit nice with the fender
from the sticky:
Some have used the +38 offsets with an 11" wheel but it does stick outside the fender and is definitly not recommended on lowered vehicles. +50 and +56 are the two most common. +50 is the better fit (for the ZR-1 replica).
Old 10-23-2009, 08:46 AM
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the 50mm offset would have a 7.97 in of BS,
the 38mm offset would have a 7.50 in of BS,

both are without putiing any spacers or adapters.
Old 10-23-2009, 02:41 PM
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Thanks all!



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