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05-07-2012, 01:19 PM
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#7 |
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Senior Member
Join Date: Dec 2006
Posts: 589
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Re: air cleaner legality question
Nhra rules says if an air cleaner is used it must be OEM or have the OEM configuration. Sounds like you take your chances if it's not OEM. Pretty silly. You can run valve springs as stiff as your front springs but don't change that air cleaner.
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