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How big can I bore a B18A Throttle Body?

Discussion in 'Engine Building' started by RFHOMI2U, Dec 28, 2003.

  1. RFHOMI2U

    RFHOMI2U Senior Member

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    My friend is a machinest, and he said he would be able to bore my throttle body off my OBD0 LS motor if I told him how big he can do it. Does anybody know how big I can bore a stock LS throttle body to? And how big is it right now? - Thanks
     
  2. NoJokE

    NoJokE Senior Member

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    You could measure it with a tape measure. I dont know exactly off the top of my head how big it is.l
     
  3. JDMilan

    JDMilan Senior Member

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    if i am not mistaken I believe it's only 4mm over stock, not sure though
     
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