Engine is all put together and going back in the truck this afternoon.
My only partial worry, is that I kept the injectors clean enough when they were out. I scrubbed them off good with clean solvent, always holding them upside down. I'm sure the actual intake sides are very clean with no gunk inside, but on the return flow side where the little plastic nipples push into, there was a fair amount of rust up around the tops just below where the little clips go. I spun some bronze .22 and .30 cal rifle bore brushes in there (while upside down) and think I got most of it out, but am worried there could be a few bits of rust that got pushed down when I snapped the return lines into them.
Question. Where does the fuel go from those flexible return lines? Does it get filtered again somewhere before running through the CP3 and right back into the upstream high pressure side of the injectors?
If not, on initial start up, could I disconnect that flexible hose from the barbed fitting and let it purge for 10 seconds or so to make sure I catch any small residue that might come out of the return side, before connecting back to the fuel manifold?
I know all the hard piped injector lines are high pressure, but these have to be low pressure lines. I'm guessing they get cycled back to the low pressure half of the CP3 to get boosted up again.
Thoughts?
Thanks,
Jim