Originally Posted by Knomadicknowledge
92 6.6 bluebird Bosch injection pump. Thanks in advance
If you're talking about the Caterpillar 3116, it uses mechanical unit injectors and direct injection. I don't know if you will sweat the seals with over-pressure of the pre-pump, but why don't you just adjust with use of a vacuum/pressure gauge, shooting for around zero psi?
I suppose you will want to make sure it is going into the pump nice and hot. it being veg oil.