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Interesting to see that the M38 appears to have the hot water heater installed on it. I see the intake cut out by the axe head.

I've had good luck with having the pump rebuilt by a reputable re-builder.

Pretty sure you bent the valve.

Thanks Ron. Yes I think I'm going to have to weld mine and redrill. Mine is definitely the .070 one , and although I have oil pressure I just think it should be higher. I saw that AJP has them but it doesn't say which size hole it has, and if you go by their picture it looks as if it's the .070 also ...

Kilroy, where did you find your .040 spray nozzle. I need to locate one.
Thanks

Very nice. Even has the early "GAS" gauge.

Will do. We live in Shawnee.

That's how I do it. On another note I heard that we are not far from each other. Should get together sometime.

I'll email you when I get home. If it's not raining I'll send some pictures also

Eric I posted on your post in the technical Forum. I have a good M38 frame in Kansas City.

Eric I have a good M38 frame if you want to come to Kansas City.

Wes thanks for the reply. I used the M series gauge trouble shooting guide that I have seen. The static voltages, (eng off), were the first readings of 25 volts. I think I have 1 volt meter in my spare parts. I'll have to give it a try. I'll review the troubleshooting in the referenced TB. Thank you.

I have an M38 with an AC1501244 ammeter installed and can't seem to get any movement out of it. Here is what I've done:
Checked charging voltage at batteries- 27 volts revving the motor slightly.
Voltage not running on wire 8 and 9 on the back of the ammeter- 25 volts.
Voltage running on wire 8 and ...

Did you install the felt dust seals on the flange? Sometimes you can get a real thick felt seal and when you tighten the flange down it will cause a bind.

You pressurize the system then look for the leaking coolant. If you suspect the distributor boss you will need to remove the distributor then look down inside the hole where the distributor was. With the system pressurized you will see water coming out in that hole.