170 allis chalmer blowing white smoke idleing rough an lacking power

[nattynuts5886]

I have a 170 allis chalmer that is rounning rough it blows withe smoke an sounds like its missing. injection pump was replaced in the spring all the injectors are rebuilt an still rouns rough an smokes any ideas?

 

[banjodunn]

G'day have you checked valve clearances? White smoke is unburnt fuel could also be a compression problem



Jon