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      03-04-2009, 04:51 PM   #17
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Drives: E92
Join Date: Jan 2007
Location: California

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Originally Posted by shiv@vishnu View Post
Raising UT will bump up boost at all engine speeds. Going up a stage will only raise boost above ~5000rpm. So it really depends on what you are looking for. Usually, we like to keep a self-imposed torque limit in place which means limiting boost to ~13psi in the low end. Or else we would see the 400+lbft peak torque situation that isn't really necessary.

As I posted in the past, unless it's triggering a tuner code; why limit torque down low? Isn't that the purpose of the 1st and 2nd gear torque that the end-user has control over this.
"I'm not sure what the price difference is, but the BMW feels $15,000 better." -Edmunds, 2007
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