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Discussion Starter · #1 ·
just wondering if this is something weird with my car or if it covers all 1999 9-3s with the hot t25

i can consistantly boost to 17 psi and holding it with the mbc im using
 

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No problem.
 

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Discussion Starter · #3 ·
how high is too high to boost it?
 

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The best way to determine that is with a egt and wide-band a/f kit. If you reach 1600f in the combustion chamber, you are at the temp where you can colapse the top piston ring...

John
 

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The HOT alllows overboosting to 17Psi. You can't go over that or it'll fuel-cut.
assuming you have the means to get the air in and out of the motor efficiently, and have a clean-running motor/injectors/fuel-pump, you're perfectly fine.
 
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