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Old 08-29-2012, 09:44 AM   #44 (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
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90 day: 19.5 mpg (US)

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Sub2500 - '86 GMC Suburban C2500
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I went and found an electric clutch for a V-belt with 3/4'' keyed shaft on ebay. Converting a 3/4'' push fit to a 3/4'' keyed shaft looks a lot easier than making a 1-1/4'' keyed hole fit a 3/4'' push fit pump shaft like I was originally going to do.
So for $200 i bought it. I just cant pick up 1mpg for $200 any more, all those mods have been done for years, or so I thought.
Another thing is that 2hp is 2hp more over the entire RPM range and it will burn less fuel, not many mods will do that.
I have never seen a pump clutch like this one in this size anywhere else.
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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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