hello dieseldude!

planning to replace the injection pump drive seal dahil may tagas sa likod ng timing gear case. wala nako makitang source ng tagas kundi sa injection pump lang.

isuzu 4JA1 naturally aspirated. not sure kung zexel or bosch...

tanong ko lang kung kelangan pa rin bang icheck ang injector timing (plunger stroke vs. crankshaft rotation)?

or simpleng salpak lang pupwede na?

kung kelangan e di may rason na akong bumili ng dial indicator kung ganun.

i have no issues so far naman with regards to excessive exhaust smoke, acceleration, etc.