rotary pump

So I just had a thought, if you accidentally indexed the throttle lever on a rotary pump off a tooth, so you had to turn up the fuel to get it to idle, could that cause black smoke and a 'weird' feeling throttle pedal like it not being able to rev high enough even though the max stop is all the...

A local diesel shop got a rotary pump from a 86 hilux to try and fix. He can’t figure out the top of the pump with the two nipples on it. Nothing in the info he has shows this type of top, he unfortunately doesn’t have any more info about where this hilux came from and what engine. I would...