6 9 Idi Injection Pump Adjustment

How to time your idi turbo idi timing 7 btdc na timing 10btdc. To adjust loosen the two adjustment screws that attach the vrv to the fuel injection pump fig 4. This article will hopefully give you some insight on how to adjust your fuel injection pump on 88 93 7 3l non powerstroke idi.

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Rotate the vrv until the proper vacuum is obtained.

6 9 idi injection pump adjustment. How to manipulate the metering valve on 6 9 7 3 idi injector pump. And then line up the y mark on the camshaft gear with the y mark on the ip injection pump gear. How to adjust injection pump timing on an international harvester 7 3 idi diesel engine. Today i show the easy way to turn the pump up on a 7 3 6 9 idi engine this is the easy way to get a little bit more power out of this engine without having to worry about running gauges.

If you have been cranking and cranking your idi engine trying to purge the air from the injector lines and nothing seems to get any fuel to the injectors then you might have a stuck metering valve in the injector pump. Unfortunately since the 6 9 7 3 is a 4 stroke engine there are two tdc positions. Tighten the two adjusting screws to 8 10 5 n m 75 90 in lbs when the proper vacuum reading is obtained. Well that is all good and wonderful if you have the front of the engine all apart but if you don t then here is what i did.

Engine fuel system injector pump injectors. Please read this first with the video. One is where. This will probably work the same way on a 6 9l navistar ford engine as well.

To start off i would recommend putting in a pyrometer gauge before doing any kind of performance upgrades. If the vrv can not be adjusted to obtain the proper vacuum replace the vrv and repeat procedure from step 3. First you will want the crankshaft in the tdc top dead center position.