Please explain why a rough running diesel can be diagnosed as weak injectors with different pop pressures.
-- Luther KB5QHU Alma, Ark '87 300SDL (272,xxx mi) head case '85 Ford F250 6.9 diesel (x58,xxx mi) BioBeast '82 300CD (166 kmi) '82 300D (74 kmi) getting donor engine-sold '85 300D (280,176) parts car sans engine Quoting Tom Hargrave <[EMAIL PROTECTED]>: > But for all practical purposes, diesel fuel is not compressible. > > It's like the pendulum composed of 5 suspended balls. You pull one away, let > go and as soon as it hits the second one, the 5th one swings out, then the > 5th one swings back in, hits the 4th one & the first one swings out, etc, > etc. > > In this example, what's being transferred in the energy provided by > releasing the first ball. > > The same is true with the fuel in the injection lines. The IP delivers > pressure to the front end, the pressure travels down the line in a very fast > moving wave, the pressure wave overcomes the poppet valve spring pressure & > the entire column of fuel moves down the line. > > This is also why diesel injector lines are all a constant length. The > pressure wave travels at a set speed & if the lines were different lengths > then you really would have a timing issue. > > Thanks, > Tom Hargrave > www.kegkits.com > 256-656-1924 > > _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
