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How much boost should my STD MY94 JAP Turbo output ?

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Old 26 October 2002, 03:50 PM
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scrappy_doo
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Just fitted my boost gauge today my car is boosting 0.75bar(11PSi) on average is this correct or is it underboosting ?
I think at one time is did peek to about 0.8bar(11.6PSi).
Also I am noticing that my car is not boosting in gears somtimes until 5rpm but it shows as 0.75 on gauge so does this indicate its not a turbo problem ?
Thanks guys.
Old 26 October 2002, 04:58 PM
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Big Bear
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Should run about 0.9 bar . Most boost guages I've tried have never given accurate readings , mine have always under read probably due to the amount of time you spend off boost .
Old 27 October 2002, 10:12 PM
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Scott.T
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Depends what ECU it's running early 94 are 11.47psi, late 94/95 12.71psi

[Edited by Scott.T - 10/27/2002 10:13:52 PM]
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