TwinTurbo.NET: Nissan 300ZX forum - What he said....
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Subject What he said....
     
Posted by Hipendicular on March 13, 2013 at 9:23 PM
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In Reply To only remove on full breather mods and big turbos posted by JaffaUK on March 13, 2013 at 04:03 PM
     
Message Last month our friend Cons (1BadTTZ) got his car dyno'd tuned at SZ and he was getting boost creep. Seb and greg both jumped up and said it was those inserts on his 3" dps (Wastegate separators).

I asked seb what the deal was and he said they have seen this when guys with big turbos do full breather mods (2.5" IC, Pipes and TBS). The waste gate can't flow enough and boost will creep. Pulling the WGS helps relieve the extra exhaust.

I also asked seb if I would need to pull mine if I did 2.5" IC setup, he said flat out.. No. Only on bigger turbos, like JWT700s. I'm on stocks for the record. Seb said, you're better off leaving it in if you can.

Hopefully Seb or Greg can chime in for specifics but I remember Seb telling me about the benifits of the WGS when I did my 3" dps. So I guess leave them in until you have to.

Ken 91TT

     
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