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Thread: fitting dump valve

  
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    cocoj69's Avatar
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    fitting dump valve

    have bought a dumpvalve (baileys dv 26) for my astra gsi mk4. is it recommended to blank off the original? if so what size diameter blankin plug is required? thanks, coco

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    GB's Avatar
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    dont blank or even touch the original recirculating valve!!!

    either leave it working in unison with the bailleys or if u want to disable the OE one then fit a non return valve (less than £2 in halfords) in the vacuum line that goes to the OE valve in the turbo!

    blanking it off with a bung/spacer is a bodge and no need whatsoever - causes more problems than its worth

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    dont even fit the baileys as its crap an u wont hear it dump,send it bak an buy a collins from ebay

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    better still dont fit any - the performance will be so much better and turbo pick up improved - fit a Forge recirculating one in place of the standard one in the turbo and ur onto a winner! but as u have the bailleys then at least try it and see what u think

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    jay r's Avatar
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    swings and round abouts mate its depends on yourself the one way valve set up is easiest but ive used both and not found any difference just try one way valve set up first because its easy if you dont think it feels right try bailey way but its not easy putting spacer in ive got a forge evoms valve in side of turbo with one way valve and its the smoothest between gear changes just use 3 or 4mm vac hose to make aftermarket dv loud

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