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Thread: rear bcs and vac box

  
  1. #1
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    afcbadam's Avatar
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    rear bcs and vac box

    ok my read bcs is blocked off as i have a one way valve installed in the o.e dump valve line, but does this block off the vac box? if not how is that done,

    i have 2 hoses that run down the back of the engine, 1 blocked off using a one way valve (rear bcs) and another that runs down the back of the engine that tees in to the throttle body, aftermarket dump valve, and the fpr. if i disconnect the line running down the back does this do it?
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    dirtybadger1982's Avatar
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    i am having the same problem finding the correct info i have run a new pipe from the throttle body into a T them joined it to the fpr as show on the drawing someone made i have added a 1 way valve also... no what happens to the 2 pipes that run around the back of the engine do i block both of them ???

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    Matt_GSi's Avatar
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    Basically a pipe from fpr to the tb, t peice in between the 2 if your using a dump valve. The pipes that go to the vac box can be left disconnected

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    dirtybadger1982's Avatar
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    do the 2pipes need to be blocked off

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    Matt_GSi's Avatar
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    No it's fine

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