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Date: Mon, 16 Sep 2002 20:53:52 -0400
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Subject: 20B turbo specs
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I had Turbonetics(Dave Austin) size me a turbo.  What do you guys think?
recommended - TO4E 60 based on:
engine vol. eff. 145
engine rpm - 5500
man press psia  14.7 at sea level
                         18.2 above 10,000'
compressor eff. from 70 to 76% at 10,000'.
based on 180hp(?) shows max 231hp w/out aftercooler, 256hp with aftercooler.
    I have been trying to follow previous discussion on 20B turbos, but
believe at some point it changed back to 13B's.
    It does appear that the turbos can be purchased thru diesel truck part
stores at quite a savings as compared to performance shops. Kevin