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Sa Same here. I worked as a heavy truck mechanic for over 40 years and never saw a probe fail and fall into the turbo.

I fixed that transmission long ago, but I'm always stocking up parts. Send me a private message. Thanks.

Hey "srodocker" . When is the Arlington air show this year ? Do they plan on having trucks this year ? Also , do the guys still meet down there in Napavine at the farm ? Thanks.

Here's how I did my electric winch on the Deuce. https://www.steelsoldiers.com/threads/winch-and-bumper-project.150233/#post-1829453

OK, since there still seems to be problems with people "visualizing" this FDC movement. I'll post a picture trying to show you what is happening. When different fuels are used the "Servo Piston" will move into different areas on the "moveable plate" . I've marked these areas to show you what I...

Cattlerepairman, where can you find these Chinese Hydraulic Heads for sell ? I've been gone for a while and haven't heard of them.

Yeah, I always thought that was a stupid place to put batteries ! "Hey guys lets put some extremely caustic acid filled batteries in the cab with the troops ! "

Since the original pump was acting the same way the new pump is, I'm pretty sure timing has nothing to do with it. Unless of course the original pump had been removed and replaced.

The FDC plate will constantly move according to what pressure is exerted against the piston. There is no "regulator" in the FDC which would hold pressure at a constant. During "testing" of the FDC you would use a "constant" pressure and the FDC would be expected to hold the appropriate pressure...

For really cold climes, I would go with a good diesel fired heater. The military unit is good, but the Wabasto unit is better. They are on the fleet of buses I used to work on. Very dependable units.

Boyce does good work. Very high priced, but good work. They used to have a shop up here just south of Seattle.

OK then. It must be the drive system. Pull the pump out and check those gears and drive. Something must have come loose or is broken.

Just another note. This new injection pump was rebuilt correct ?

That was why I asked about the drive gears. Did you by chance loose the slotted piece the pump locked into ? If those pieces come loose and or fall out you would have the pump spinning only when a piece of the drive system came around and struck the pump drive. Considering both of these pumps...

It would, but like any engine it would not be firing correctly on all cylinders.

Yeah, basically once the FDC is out of the picture you don't need to worry about the Droop screw again.

When you installed the new pump, did you look at the drive gears on the engine ?

Different size axle shafts. The last one "violator" fits their largest axle shaft.

You don't need a compression tester to see if your getting compression coming out the injector hole. Just put your finger on it. It should blow that finger right off the hole fast. If not then you have compression problems like sticking valves or rings not seating. That is also why I said to add...

Most new vehicles use a dual pump system. The front half powers the steering while the rear half powers the brakes or auxiliary hydraulic systems like engine fans and such.