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Old 03-02-2005, 12:09 AM   #2 (permalink)
diesel_doctor
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Join Date: Apr 1999
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Re: Turbo PSI vs. Boost

Well no, you need the compressor map and what kind of PSI your looking for.

The air is measured in lbs/min at a certain pressure ratio. That is the outlet pressure/inlet pressure. Then you want the turbo to stay above 65% efficent and under the max RPM limits.

I found a nice little free program that caluates most of this for you, then with a compressor map of the turbo in question you can check it.
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2000 F-350 Lariat SC PSD SRW 4X4, Six speed, Dark toreador red, Ball Bearing Turbo, Coolmist Stage 2, Banks Big Hoss 5 chip, Big Head Actuator and 3.5 down pipe with Dynomax exhaust, PacBrake Exhaust brake, AIS Air Filter, Jordan brake control, 20K Reese fifthwheel Hitch, Reese folding gooseneck hitch, Rhino lining born 5/00
1998 35' Challenger fifthwheel double slide with 3600 Onan MicroQuite Generator,Washer/Dryer.
Wife drives a Black 2003 Excursion 4x4 Limited, 6.0 PSD
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