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580B little black smoke

Silvermopar

Member
Joined
Apr 24, 2021
Messages
5
Location
Nebraska
I’m getting a little bit of black smoke out the exhaust on my 580b. It’s got the 188 Diesel engine. It’s not obvious from a distance but noticeable from the seat. I don’t notice it until the rpm is over 1000. Does this sound about normal for these engines or should I be checking into it more. Again; it’s not a lot, just enough to notice.
 

thepumpguysc

Senior Member
Joined
Mar 18, 2010
Messages
7,445
Location
Sunny South Carolina
Occupation
Master Inj.Pump rebuilder
Try adjusting the pump to engine timing by turning the inj pump in its slots..
Make a reference mark FIRST..
Tighten the mounting bolts after each adjustment..
DO NOT turn the pump while loose. (Like a distributor)
 

RES

Active Member
Joined
Feb 11, 2021
Messages
27
Location
37058
Pumpguy, do you mean don't turn while running? I know you are the guy for pump repairs and will get mine if/when it needs it. But how would you turn it if it was tight. I need to check mine too. Just got a 580b, oil was changed religiously but other things were neglected and it puffs a little.
 
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