Join Date: Nov 1999
Location: Central California, USA
Step one would be to replace the air filter and fuel filter/s before bringing it to a shop. Any reduction of air or fuel would cause loss of power.
The smoking, - I don't believe would be related to the injection pump but might be caused by clogged injectors. A poor spray pattern might cause smoking but I've seen a lot of stuff on the farm go wrong but the only smoking I've ever seen was either oil smoke or low compression related.
I've seen carboned up injector tips but the engine missed, not smoked. The Roosa Master injection pumps (which you probably have) usually peter out or the governer causes the engine to run erratic and not idle or rev right.
Check your engine vent tube for blowby. If it vents to the air intake, watch out! Diesel engines can run on their own blowby and since there is no throttle butterflies in the intake, the engine will rev till it runs out of oil.
I saw a VW Rabbit diesel do that, and that thing smoked till you couldn't see the car!
It usually takes a full throttle opening on a pretty shot engine with the crankcase vent entering the intake to make this happen, but I heard of one Oldsmobile diesel doing this.
Check my web page for First Gen Camaro suspension info:
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67 RS 327 original owner. 1965 Lola T-70