blow off valves legal or illegal
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Thread: blow off valves legal or illegal

  1. #1

    Default blow off valves legal or illegal

    hi. i was just wondering if the atmospheric blow off valves are illegal. i live in california thanks in advance for your help

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  3. #2
    Shaken not stirred...
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    Default Re: blow off valves legal or illegal

    Quote Originally Posted by gti_lover
    hi. i was just wondering if the atmospheric blow off valves are illegal. i live in california thanks in advance for your help
    Most of the time, yes. (Unless your car came stock w/ an OEM BOV.)

    http://www.arb.ca.gov/homepage.htm
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  4. #3

    Default Re: blow off valves legal or illegal

    Regardless of illegal or not, you do not wanna run BOV's at 100% atm. with these engines...so it shouldn't be an issue

    Man cali has tight laws...it's just a blowoff
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    Default Re: blow off valves legal or illegal

    Quote Originally Posted by scans007
    Regardless of illegal or not, you do not wanna run BOV's at 100% atm. with these engines...so it shouldn't be an issue

    Man cali has tight laws...it's just a blowoff
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  6. #5
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    Default Re: blow off valves legal or illegal

    I still don't see why they'd care about a BOV. Maybe because of the rich exhaust affecting the cat?
    ...
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    Default Re: blow off valves legal or illegal

    Quote Originally Posted by BlueFrogPosse
    I still don't see why they'd care about a BOV. Maybe because of the rich exhaust affecting the cat?
    Correct- too much soot released into the atmosphere by the exhaust system.
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