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Old 07-14-2016, 02:41 PM   #8 (permalink)
oil pan 4
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Join Date: Jul 2011
Location: NewMexico (USA)
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Sub - '84 Chevy Diesel Suburban C10
SUV
90 day: 19.5 mpg (US)

camaro - '85 Chevy Camaro Z28

Riot - '03 Kia Rio POS
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Bug - '01 VW Beetle GLSturbo
90 day: 26.43 mpg (US)

Sub2500 - '86 GMC Suburban C2500
90 day: 11.95 mpg (US)

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My tests showed that it takes about 1 horsepower to circulate fluid at 2500 RPM on my vehicle with the stock pump.
The hydraulic power unit I am using to drive the power steering draws 50 to 60 amps free flowing and 110 amp to move the steering sector while sitting still on dirt.

The only time the system develops pressure is when the wheel is turned. The fluid free flows when there is no steering wheel input.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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