hey all...i'm changing the engine in my disco, but the engine i am removing has a few wires coming outta the top of the injector pump an the engine i'm fitting doesn't....do i just change the pump over? or is there an easier fix? also the bolts at the top of the bell housing is there an easy way to get at em? or will i be alright once i put it up on the ramp,gratefiul for anyfeedback ty guys