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Thread: Detroit's are "forever engines"?

  1. #1
    Join Date
    Dec 2015
    Location
    New York, USA
    Posts
    1

    Default Detroit's are "forever engines"?

    I am considering buying a rebuilt Detroit 71 series generator. I was told that they are "forever engines" because the liners can always be replaced to bring them back to stock specification. I also have seen some 50 year old engines that are still in daily use. Some of the things that I have read to the contrary is that the heat cycles eventually cause the block itself to crack in many places. Which is true? Do blocks just eventually break down, or can these engines be run continuously, even after 6, 7 rebuilds over the years?

  2. #2
    Join Date
    Sep 2005
    Location
    Washington, DC
    Posts
    52

    Default

    Back 40 years ago when I went to Diesel school the instructors said as long as the block was ok you could put in oversize liners & pistons in and rebuild it.
    2015 VW Passat TDI SE, 6 speed manual
    Past Diesels
    1980 MB 240D, 4 speed manual
    1983 GMC Vandura 3500 Nu-Wa 23' Class C Motorhome
    6.2L Diesel, Turbo 400
    1985 MB 300D Turbodiesel, auto
    1992 Chevy C2500HD 6.5 Dieselturbo, auto
    1994 Chevy C2500HD 6.5 Dieselturbo, auto
    2010 VW Jetta Sportwagon TDI, 6 speed manual, sunroof

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