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Old 01-21-2017, 10:01 PM   #1236
clark4131
Scooby Newbie
 
Member#: 432452
Join Date: Oct 2015
Location: Zulu -8:00
Vehicle:
2016 WRX MT Premium

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Quote:
Originally Posted by tramp View Post
When we're talking low rpm boost are we talking 5-10 PSI or WOT whatever it'll let you have boost?

I drive my '17 many highway miles on the cruise and it'll see 5-7 PSI on some big uphills when maintaining 70-75 MPH. I live in the mountains and generally take it fairly easy on it with the occasional blast for kicks. I try to keep it under 10 PSI if that.
In short where does the low speed deto occur?
The issue comes into play when you're cruising in 5th or 6th in the lower 2000's or below, and abruptly go to WOT without downshifting, spooling up the turbo to its boost limit before allowing the RPMs to catch up. That is the situation that creates huge loads on the internals. You can spool up your turbo pressure in a high gear provided you do it more gradually. If you want instant power, downshift...SC
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