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STi8 with TD05 20g no power until 4750

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Old 05 December 2006 | 10:03 PM
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Default STi8 with TD05 20g no power until 4750

Car has standard engine and intercooler, apscaik, ported headers, custom inlet pipe, td05 20g and Andy F ecutek.

Up at Andy's car produced 380bhp and 351lb ft. Car felt superb until I got home and I now am getting no ***** until 4750 @ 1.5bar.


Can't understand it a,m getting 1bar @ 3250 but car doesn't seem to want to pull until I get near the 5k mark.

I have checked for leaks and can't find any I am at a loss



I hope to do more checks when the roads are a bit quieter.
Old 05 December 2006 | 10:23 PM
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I'm sure andy is around somewhere.
Old 05 December 2006 | 11:13 PM
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I am indeed Chris

I tend to suspect the turbo as it was one of these replica 20G's that Alan got cheap from a mate. Its not a genuine Mitsubishi turbo as far as I could see.
Have you checked the intercooler casing crimps are OK Alan ? Those boost spikes that you had on your last turbo may have caused it to weaken or crack ?
Difficult to diagnose without seeing it, did you do the boost test I mentioned via email ?


Andy

Last edited by Andy.F; 06 December 2006 at 08:45 PM.
Old 07 December 2006 | 06:30 PM
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All seems fine Andy, I know you are away for a few days so over the weekend I will check everything over again. Thanks Andy
Old 29 December 2006 | 11:33 AM
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Just to update,

Car is overboosting to 1.7/8 bar in 4th and above.

I am in the process of getting an avcr with the hope the problem will be sorted with that.
Old 29 December 2006 | 12:14 PM
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Originally Posted by alanjack
Just to update,

Car is overboosting to 1.7/8 bar in 4th and above.

I am in the process of getting an avcr with the hope the problem will be sorted with that.
If it was ok during, and after mapping, and then it wasn't, something has happened since to effect it.

You need to identify what's happened, such as a split boost hose.


Mark.
Old 08 April 2007 | 09:58 PM
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AVCR sorted the problem straight away, looks like old soleniod was the culprit and couldn't hold boost properly.

Cheers Andy and all you other guys
Old 10 April 2007 | 12:51 AM
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Alan, is this a turbo from "autowarehouse japan" on fleabay?
Old 27 April 2007 | 10:38 PM
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Hi Henrik, Turbo now on my car is from above. Very happy For now
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