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Thread: Oe dump valve

  
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    Daz coupe's Avatar
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    Oe dump valve

    Would there be any issues with putting a stronger spring in the oe dump valve,?.
    Titan Gold Coupe Turbo
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    Johnny A's Avatar
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    Probably open even less than they do already (resulting in more compressor stall)
    Vauxhall Carlton Estate - Z20LET, Greddy TD06-20G turbo, Tial 38mm external wastegate (screamer), 80mm drop, Camouflage paint job

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    Forgot to add that i'm running a dv26 too....
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    Will adding a few washers to hold the oe one shut at all time cause any running issues?
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    I wouldn't think so as many people add a blanking plate which is the same as adding lots of washers. Have you ever thought of using a one way valve as many of us on here do?

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    As above, using a one way valve would be easiest option. Saves messing about, cutting an allen key to size and trying to dismantle the OE valve and put it back together.

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    Quote Originally Posted by buckle View Post
    As above, using a one way valve would be easiest option. Saves messing about, cutting an allen key to size and trying to dismantle the OE valve and put it back together.
    Hes talking sense. Its not easy putting a washer in.

    1way valve off window washer system worked best for me.

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    Tried a one way valve and didnt seem to run aswell(fitted both ways)

    The turbo is off the car atm,so fitting the washers wudnt be an issue.
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    I ran a baileys with a spacer in it and tbh it made to car run a little rough. The was a lot of jerkiness when changing gear. If you are going to run the dump valve I'd suggest running the OE valve off the FPR as that's probably the best option.
    Black Astra Coupe Turbo

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    I tried to put the spacer in the oe dv, spent about an hour trying to get one of the bolts off, gave up so went to halford and in 15 mins i had the one way valve bought and fitted. SIMPLES

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