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UPGRADE FROM TD04 TO VF30 Problems

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By Guest
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Guest

Guest

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Hey everyone

Today i have just upgraded my v7 wrx from a TD04 to a VF30, have i done something wrong because it is boosting the same as my old TD04?? i feel no difference!!!

Please Help i feel i have wasted my money!!

thanks

Johno

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Guest keltik

Guest keltik

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Posted

LOL do you have a boost tap? If your using the factory controller it will attempt to hold the same boost pressure no matter what turbo you put on the car.

Id imagine the VF30 will be a bit later/slower to spool than the TD04 and will hold boost better higher in the rev range.

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ReubenH Authority

ReubenH

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 wrx_lou said:

wouldnt think it would spool up much slower but should be a hell of alot better on top end.

They spool up a hell of allot slower. TD04's are quick to boost, there should be at least 500 rpm difference, if not more.

Ran both a TD04 and a VF39 (Very similar to the 30 and 34) in my car.

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