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on the rollers today

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Old 28 February 2013, 06:10 PM
  #61  
V9 STi
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Originally Posted by Big 'D'
The VF35 has to be ported, in standard form on a full decat it will creep due to its small wastegate port. 100% of all the VF35 turbos I have setup have suffered from boost creep, the porting is essential to gain initial control of the turbo. Granted a positive side effect of this is that you will see more power from less boost due to the gains in increased gas flow through the turbine housing/wastegate port, but it has to be done right .

Flak jacket is on

Cheers Iain
Small wastegate port or small exhaust housing?
Old 28 February 2013, 07:05 PM
  #62  
WhiteWagonMan
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Get it on a known to be trusted and accurate rolling road mate like charlies at surrey rolling road,scoobyclinic`s rolling road,roger clark motorsport`s rollers,engine tuner`s rollers and see how she does then.
Old 28 February 2013, 07:24 PM
  #63  
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Originally Posted by GAZ2293
I know how this thread is going to go.....Anyone remember the 373bhp from a VF35 thread. So before anyone starts it was me that filmed it

Great figures but an extremely rare occurrence
That thread kept me entertained for ages, aswell as learning quite a bit from both Harvey and big D
Old 28 February 2013, 07:37 PM
  #64  
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possible yes, likely? no

rr readouts can vary drasticly, as said above, get it on a well known and respected dyno and see what you get
Old 03 March 2013, 11:16 AM
  #65  
Big 'D'
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Originally Posted by V9 STi
Small wastegate port or small exhaust housing?
It's the small wastegate port which is the issue.
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