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The mkiv Supra Owners Club

Stock boost levels?


95SupraTT

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I'm 100% sure I have no boost controller, my car was 100% stock when I bought it.

 

Maybe it is because of the cold weather in EU? My mod list:

 

HKS FCD

HKS super dragger + decat pipe

Blitz sus air filter

HKS SSQV

Greddy spec M FMIC

and my DEFi boost gauge shows 1.3 on highway pulls

 

Definitely US spec turbos fitted? No bleed valve fitted in engine bay? If working correctly the wastegate on the US turbos shouldn't allow it to boost up to 1.3bar.

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Definitely US spec turbos fitted? No bleed valve fitted in engine bay? If working correctly the wastegate on the US turbos shouldn't allow it to boost up to 1.3bar.

 

100% sure the car was bone stock and driven only very few miles.

It is very weird.. what could be wrong?

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An air leak on the pipe going to the wastegate VSV would course it to boost higher (this is basically how a boost controller raises the boost).

 

This is the only thing it could be? is there only 1 pipe? and is it easy to chance?

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