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Lightweight(ish) AP1 sized wheels for AS?

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Old 04-15-2009, 09:07 AM
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Originally Posted by patinum,Apr 15 2009, 06:30 AM
I thought stock AP1 wheels were lighter than what the OP posted.
Here are the OEM wheel weights:

USDM wheels front: 17.5 rear: 18.6

JDM BBS wheels front: 13.3 rear: 14.3
Old 04-15-2009, 09:14 AM
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The O.Z. Wheels are Stock legal for the AP2. Just because they are not spot on the offset doesn't make them illegal. There is a variable on offset that is in the SCCA rule book.
Old 04-15-2009, 09:22 AM
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Originally Posted by TexasGT3,Apr 15 2009, 09:14 AM
There is a variable on offset that is in the SCCA rule book.
how so? and where?

edit:

oh like being within 6mm of stock offset?
Old 04-15-2009, 09:29 AM
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Originally Posted by Orthonormal,Apr 15 2009, 08:44 AM
Then it wouldn't be legal. The AP2 stock offsets are 55mm front and 65mm rear, I am pretty sure. You would need to take almost 5mm off the center of the wheel to be legal. I don't think I would be willing to remove that much.
oh i know, its not THAT much lol. Well see when the wheel comes in though.
Old 04-15-2009, 09:56 AM
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Originally Posted by madcityEP,Apr 15 2009, 09:22 AM
oh like being within 6mm of stock offset?
Old 04-15-2009, 11:37 AM
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Well now we have plenty of options if we want to run stock-legal AP2 wheels on our AP1s. THANKS GUYS!
Old 04-15-2009, 03:12 PM
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lol sorry bout that.
Old 04-15-2009, 05:03 PM
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Originally Posted by madcityEP,Apr 15 2009, 09:22 AM
how so? and where?

edit:

oh like being within 6mm of stock offset?
It's within 1/4", which some people approximate as 6mm. It's actually 6.35mm if you want to be exact.

I don't see a problem with talking about AP2 wheels, since the question about AP1 wheels got answered way up at the top of the thread.
Old 04-15-2009, 07:54 PM
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thats not much at all, enough to make a visable difference. I guess i never understood why the SCCA cared about the offset of the wheel. Does it do anything for performance when we are talking such low numbers of stock size?
Old 04-15-2009, 08:40 PM
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Having a small tolerance allows you to use aftermarket wheels that are almost the same as stock, without giving you room to go crazy.


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