7 3 Idi Injection Pump Adjustment

It isn t really difficult to do but i recommend not messing with the stock setting unless you have a pyrometer.

7 3 idi injection pump adjustment. This article will hopefully give you some insight on how to adjust your fuel injection pump on 88 93 7 3l non powerstroke idi. To do so loosen the three bolts 15mm nuts on gm trucks and 9 16 for fords and rotate appropriately. Locate the injection pump at the front of the engine. I recommend getting a pyrometer before doing this so you don t burn up the motor.

To start off i would recommend putting in a pyrometer gauge before doing any kind of performance upgrades. This will probably work the same way on a 6 9l navistar ford engine as well. Needed to adjust my governor length slightly after previous mods. Safety as always is important.

On the passenger side of the injection pump there is a little cover that protects the adjustment screw. Figured i d do the whole thing as a how to video. How to turn up the fuel on a 7 3 idi this also works on a 6 9 idi. To adjust the timing figure rotate injection pump to increase or decrease the timing.

Loosen the two bolts and remove the cover after placing rags and a catch can under the engine to collect the half pint of fuel contained in the adjustment port. It doesn t take much to overfuel a stock naturally aspirated engine often with disastrous results. I show you how to remove the injection pump from both the international 6 9 7 3 idi engines. Lots of guys have at one time or another wanted to know how to adjust their stanadyne db2 fuel injection pump on an idi 6 9 or 7 3 diesel engine.

For 6 9 7 3 diesels advance is toward the passenger side.