A question about wastegates...

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  1. A question about wastegates... 
    #1
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    Hey guys need little help about a wastegate.
    I have a BMW e30 with M20B28/ made the B27 a bit bigger/ and the tubo that im using is Garrett TB 3402. The car will be driven at 1 bar pressure. So the question is what wastegate should i use and do you have any idea if Demon wastgates are good??? / I have about 150 pounds to spare for this/
    Ty in advance
     
     

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    Can anyone assist the OP with this issue?
     
     

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    Dont cheap out on wastegates bud, that thing jams shut and............................................... .................................................. .................................................. ............................BOOM. Smaller wastegates will make it difficult to control boost spikes, go with a 44mm gate from tial, precision, turbo smart etc the demon ones are cheap chinese knock offs.
     
     

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    38mm is all you need
    With great challenges comes great engineering.
    Gunnar Reynisson @ Cosworth
     
     

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    cheaping out would probably lead to it leaking more so than shutting closed
     
     

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    you can mix cheaper(not the really cheap though) wastegates with springs from reputable manufacturers.its been a while since i messed with turbos and cant remember which ones.
    might come to me....
     
     

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