Dr__Gleaner
Guest
Need more info for an answer-- What year of machine, which injection pump and injectors are installed in the engine(does the high pressure line come in on the top or the side of the injector)
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Combines Smokin N6 s
tbran
Guest
yup , all the old ac's in the high hp left a tell tale track. due to a large injector hole size designed for the maxed out roosa master fuel pump. Moving down to the say "044" tip and yes going to a next size A_R down will clear up the black smoke trail by 'bout 50%... clearing up this smoke was a project on AC dozers in Viet Nam. Noble Harrison (HandR Pittsfield, Ill.) was walking thru the Harvey eng plant and saw two staged turbos on a 2500 on dyno.. He was a avid tractor puller and worked with ED Elgin, a retired AC service rep . The rest is history... his set up on a bunch of tractors won nearly every winter pull incl louisville in '72 I beleive it was.
N6jockey
Guest
I've seen pulling tractors with triple turbo's and 250psi boost pressures. Talk about intense.