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Old 08-27-2008, 01:59 AM   #25 (permalink)
dcb
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Join Date: Feb 2008
Location: 3rd rock
Posts: 1,349

pimp mobile - '81 gs 250 t
90 day: 96.29 mpg (US)
Quote:
Originally Posted by johnmyster View Post
20 inches of mercury isn't anything close to 20 psi. 20 inches is (ballpark) 2/3 of an atmosphere, so roughly 10 psi.
Got it, so lets call it 3hp for the 305. BTW, some of us haven't really thought about this before so patience please.
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