Join Date: Dec 2008
Location: Marengo, Iowa
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Smoky 966 IH
I just got done replacing sleeves, pistons, and crank bearings on my uncle's 966. It was a heavy smoker before changing out the bottom end parts. One of the sleeves had cavitated through, as well as the pistons and sleeves were pretty scored up from lack of cleaning out the air filter for a long time... Anyway, my uncle was claiming the injection pump is bad, but once it warmed up in the past, it would quit smoking. It didn't smoke as much after warming up a bit, until I tried to revv it that is. The primary fuel filter looks to have been there for a while, the secondary looks to be newer. I am thinking the filter may be starving the pump a bit, making all the smoke, or is my uncle correct on the injection pump?
The workhorse: 86 F250 6.9 4 speed 4wd 4.10 gears, electric fuel pump
The other workhorse: 92 F350 2wd crew cab, 92 6BT Cummins, NV4500 and GV overdrive unit, 4.10 rear axle