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open header

Discussion in 'General Tech and Maintenance' started by vanillakilla, Sep 15, 2006.

  1. vanillakilla

    vanillakilla Senior Member

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    this might sound dumb but whatever, is it bad for a motor in any way if it is run open header? my friend insists that it is but i'm not sure Ive never heard that before.
     
  2. PLA5151

    PLA5151 New Member

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    You'll run the risk of burning exhaust valves
     
  3. GSRCRXsi

    GSRCRXsi Super Moderator Moderator VIP

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    maybe if you run NO header at all. but open header (ie stops at the cat) wont hurt anything. drag cars run open header all the time
     
  4. Turbo&Auto

    Turbo&Auto Nick Go FAST!!

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    My dad used to do that with his cars, they were V8's but still the same kinda thing. He always said to make sure you either cap them after a run or to plug them with a rag or something. This way the cold air didnt rush in and hit the hot valves, supposedly it could bend them.
     
  5. vanillakilla

    vanillakilla Senior Member

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  6. SlushboxTeggy

    SlushboxTeggy It's only stupid if it doesn't work VIP

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    You run the risk of going deaf.
     
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