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Re: Horsepower 70 series Detroit Diesel
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Posted by rpg52 on December 15, 2005 at 13:53:57 from (69.239.237.133):
In Reply to: Re: Horsepower 70 series Detroit Diesel posted by Jon Hagen on December 14, 2005 at 07:20:17:
Hi, Seems like it all depends, (on version, rpm, etc.). The early -71's were 2 valve, later with 4 valves, then with turbo. The earlier versions made about 25+/- hp/cylinder, depending on the rpm the hp was measured. I have an old 2 valve 3-71 that states "65 hp @ 1600 rpm" on a plate on the engine. I think it makes 75-80+ at closer to 2000 rpm. The turbo version w/4 valves is listed at 113 hp, or about 38 hp/cylinder, likely measured at ~2100 rpm. Changing the injectors to higher volume could alter any of this of course. Ray
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