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Too Much Boost


Flying kiwi

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  • Member For: 11y 9m 27d
  • Gender: Male
  • Location: Tauranga NZ

07 xr6t

Mods sofar are Xforce 3.5" exhaust/4" dump pipe,

turbosmart actuator 14psi spring,

80Lb injectors,

Walbro fuel pump,

under batt intake,

HDI intercooler/piping

Had it at my tuner and it would not run less than 20 psi at WOT and and on the road it peaks over 25psi

That is without the boost controller (actuator connected directly to the turbo)

It seems I might have to modify the wastegate now????

Any thoughts?

It did make good power though! 385Kw @ wheels

I really want to run 15-20psi Max

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  • Member For: 13y 7m 13d
  • Gender: Male
  • Location: gold coast

Have you ported your wastegate?

Edit; Ralph beat me to it.

Edited by BigAl's04
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  • Tampon inserted, Auto Acquired, next purchase a new handbag
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  • Member For: 16y 30d
  • Gender: Male
  • Location: Vic

Fill muffler with potatos. That'll fix it.

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  • Member For: 20y 7m 15d
  • Gender: Male
  • Location: Townsville

Housing needs porting now but I would also put a restrictor in the exhaust system for until the porting is done.

I guess the car is a 6sp Auto?

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