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  • Donating Members
  • Member For: 22y 4m 24d
  • Gender: Male
  • Location: Perth, WA
  Trough Lolly said:
u need the 9psi spring

I did this actuator mod, and also had my wastegate ported, including a new swing valve, as the std. wastegate was struggeling to release enough gas at full boost, and this made the boost control more unstable, and also audible, whith a whish, whish fluctuating kind of sound on full acceleration.

Edited by Ninka
  • Donating Members
  • Member For: 21y 10m 20d

I had the actuator replaced whilst chasing lost boost up top. Turned out to be lost turbo flange bolts, but had the actuator changed anyway, as the turbo ready to be taken out.

The standard port seems to be holding OK for now but will know for sure as we finalise the tune.

  • loitering with intent
  • Lifetime Members
  • Member For: 21y 8m 28d
  • Gender: Male
  • Location: Zombie Birdhouse

I have got a similar issue, found the car down on power on 2 separate dyno's. Had a tune done at C&V on the weekend as my new less than 2 week old HPF tune seemed a bit sluggish and this actuator issue appears to be the reason. Simply put would just not hold boost up top as the spring has lost tension running 300+ atw for the last 30000ks.

Getting actuator mod done after the Snowies cruise. Currently running 290 rwkw with boost tailing off and plenty of fuel available with current AFRs in the 10's so getting back to 300 rwkw shouldn't be a drama.

Nice to find a local( if you call the other side of town local) tuner in Sydney that knows their stuff :spoton: Will let you guys know where it ends up

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