E46Fanatics - View Single Post - If turbos give better fuel economy why don't all econobox have them
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Old 12-21-2012, 06:13 PM   #86
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Originally Posted by NFRs2000nyc View Post
Serious question or trolling?

If srs, then it means that the desired boost/tuned boost is achieved at xxx rpm. In the case of that MR2, full boost (or full spool) is achieved at 900 rpm or so (turbo is a Gt22 I believe with a few minor modifications.)
I was trolling. Spool is generally just a term for positive pressure, as mentioned. Full boost at idle (or even near idle) is basically impossible without a major restriction at the top end. Now, I could believe the possibility that it starts to spool at idle, but that's about it.
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