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Looks like you need a rebuild of your injection pump. Check all bolts and screws to make sure.

I changed out my fuel line to an -06AN line. I'm using a 6.5FFM but you can run the same line up to the OEM box filter if you choose. I posted details in my rebuild thread - https://www.steelsoldiers.com/threads/kinda-got-carried-away-m1028-rebuild.54469/page-15#post-2222165 Hope this helps.

If you want the original 6.2 / 6.5 HMMWV pump with a vent, it is part #12342893, NSN 2910-01-168-7905.

Looks to me that you need to drop that pan and clean/reseal it. Regarding the cam seal, I have never replaced one but I believe it comes out/goes in just like a freeze plug.

Must be a heck of a fence. Why would you consider a Gear Vendors unit over a built 700R4? In my 50-year history of building and modifying 4WD trucks, when comparing the two, I can see many more cons to the Gear Vendors, and many more pros to the 700R4. Just my 2 cents. Respectfully,

You may need to modify it slightly for the CUCV starter hub to clear. I simply cut mine with a jigsaw and then filed/sanded the edge smooth. Almost looks professional. 😃

So, you received a cast aluminum flywheel cover from Bowtie? When I purchased my 700R4 from them, a cover was not included. I purchased one off Ebay but had to modify it to mate to the back of my P400 engine, which has the special girdle. See post #249 of my rebuild thread -...

Installed an oil pan heater on my P400 engine.

While I had the P400 oil pan off, I decided to go ahead and install a new Wolverine Model 16 oil pan heater. This oil pan heater draws 2.1 amps and will be wired together with the OEM engine block heater so that one plug will activate both heaters. I had to sand the aluminum P400 oil pan to...

Rick - is that M1009 a customer's vehicle, or will it be for sale?

I started to post a reply, but on second thought, decided against it.

I recently installed an A/C compressor and brackets on my P400 engine build. I documented the entire process here - https://www.steelsoldiers.com/showthread.php?54469-Kinda-got-carried-away-M1028-rebuild/page31&highlight=kinda+got+carried+away There were a lot of alignment issues which I had...

Finished assembly of my P400 engine and 700R4 transmission.

Thanks for all the posts. I decided to install the oil temperature probe in the side of the P400 oil pan. Details and photos in my rebuild thread https://www.steelsoldiers.com/showthread.php?54469-Kinda-got-carried-away-M1028-rebuild&p=2253650#post2253650

Well after much back and forth, I decided to install the oil temperature probe in the oil pan. The Autometer #5441 Oil Temperature mechanical gauge comes with a thermocouple line and probe designed to fit into a 1/2" NPT orfice, however on Autometer's site an alternative 3/8" bung adapter was...

After 3 years, the P400 engine and 700R4 transmission are completely assembled and almost ready to install. Whew, what an adventure. I'm still working on a few minor things such as hooking up the 5 mechanical gauges, but this will be easy. I am particularly proud of the Spinner centrifical...

Looking good.

The GM replacement part number is 14066255. It is a discontinued part, however one occasionally pops up on Ebay. If I were you, I would take Rick's advice above and reach out to John at Hillbilly Wizard and ask for a good used unit. http://www.hillbillywizard.com/ Hope this helps.

I believe if I were you, I would consider changing engines before I expended the time , energy and money in a turbo. Back in the 1980’s I was making annual trips from Atlanta to NW Colorado to elk hunt. In 1985 I bought a brand new GMC truck with 6.2 and TH400. Pulling our small hunting...