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well all this knowledge is most appreciated. So as u can see in video, when I push advance in it stumbles down and idles rougher and lower and I get grey smoke from exhaust….but the button that the lever pushes in sticks in the IP upon release, so I WD40’d It and worked it in and out but it...

@Keith_J so a new IP would solve that. I’m gonna go test the advance right now and I’ll take video….I know the timing looks way off in the pic but yesterday I tried to advance the timing and the pump maxed out in the slots, physically couldn’t turn the pump any more and the lines weren’t...

I will test once I get home. But I believe it does. When jnfirst got truck I tried the advance and it was sticking, but I worked it with some penetrating oil and it’s free Now…. u saying timing may be stuck could be because yesterday I changed IP timing on a big swing; and absolutely no change...

@cucvrus which injection pump model is correct for the 84 m1009. DB 2829- mine is incorrect

beautful. Thank you. And I’ll repeat your message for any future people looking. The correct lift pump is the Delphi CHFP906

Update. Yesterday I tried to advance the timing. I got a chain wrench with a pipe and could only get the pump line almost to the line on the block, no further, so j thought the lines were holding me back or something. So I removed the intake manifold again. after doing that and having a better...

Monday I’ll try a big boy bar , if it doesn’t wanna budge I’ll do the lines

LOL that breaker bar is huge! The one I was usuing is a quarter the size, but I’m afraid I’m gonna break something! I was nervous I’d crack the pump max or the valve cover or the head , whatever I’m prying against…. I was told the fuel lines are what could be holding me back so I was gonna...

@cucvrus here’s a MUCH better video I just took, please let me know what u think thank you https://youtube.com/shorts/RbKu9r-OzS4?feature=share

I believe the lines are what’s holding me back

I broke the glass ball out based on reading some of the old forums here thinking maybe it was my problem, but I think it was working fine. @cucvrus do you know if the fitting with glass ball comes on the new pump from the company from link you sent me earlier

If it were a broken valve retainer I would have a noisy valve train under the hood. This noise is out the tailpipe. Under hood sounds crisp and perfect

Thank you! Not terribly far

When I hooked up an aux tank to the inlet of lift pump the rubber hose looked ok, and on the line going to injector pump a pressure gauge read 6.5 psi at idle and dropped to 4psi under load so I feel like lift pump is ruled out. also the feed line to IP is clear and I can see solid diesel and no...

@cucvrus @royalflush55 @Keith_J https://youtube.com/shorts/yrj2A8qtPi0?feature=share I know it’s a terrible video please listen closely.

But upon cracking each injector while running the engine starts to stumble equally for each injector, which would indicate cylinder and valves are working properly? I didn’t do a compression test though. And air coming out of injection pump? I wish I could send u a video of the noise out of...

I totally agree. That’s why I ran off a jug with fresh fuel, bypassed the filter, all that. But no change. Maybe the filter plugged and sent something into the injector pump that trashed that too? Constant Air out the injector pump return is the sign too right . I have a video of the miss noise...

I really don’t know. I stupidly didn’t dump the filter out, I just changed it. But it was the filter that came on the truck when I bought it, it looked fairly new so I had left it but who knows how long it was on there

I use the regular ole diesel at the pump. When it started I thought it coulda been bad fuel and I had 1/2 tank so I filled it and put diesel kleen in it to no avail, drive it a bunch to flush the system with no luck

@cucvrus I need the light duty or the heavy duty pump? (4502 or 4544)