trythis
Full Access Member
Wow I say, what to do?
Give you a little history on this truck I've had it since probably 1999. Rebuilt the engine in 2008 may have put 2000 miles on it since then. I believe it's a 1987 with a 7.3 IDI converted to A T18 somewhere along the way. When I rebuilt the engine I didn't have the timing equipment so I did the best I could it ran OK got about 10 to 12 miles to gallon. So I left it like that for years I decided to parked the truck around 2014 just got busy with other things I had a couple other good trucks. So it's set for years. You can see post on here where I got it out of the weeds got it running but it smoked and didn't run very well.
So I bought a unit from diesel technology incorporated A DTI 3300 s so I could get the timing set properly
I started working on setting the timing went through all the regular stuff that everybody else does trying to get the timing figured out I think I'm getting close on that but I ran into another problem. I'm getting a severe squawking sound. This squawking sound is a long squark that makes me think the engine is freezing up it it definitely drags down when you hear the squawk it can even stop the engine if the RPM's get down below 700 RPM I would say estimated. I don't wanna race the engine up but at that 700 RPM there's only 10 lbs of oil pressure. I used a stethoscope it went all over the engine trying to find where the noise is coming from and I just have not been able to pinpoint it.
The noise is in time with the injection pump gear
I did notice the the harmonic balancer has got a slight wobble maybe 20 thousands could be more
you can't hear this noise just cranking the engine to start it. And yes it does do it if you've got the fuel injector 12v unplugged.
just wonder what y'all think.
Give you a little history on this truck I've had it since probably 1999. Rebuilt the engine in 2008 may have put 2000 miles on it since then. I believe it's a 1987 with a 7.3 IDI converted to A T18 somewhere along the way. When I rebuilt the engine I didn't have the timing equipment so I did the best I could it ran OK got about 10 to 12 miles to gallon. So I left it like that for years I decided to parked the truck around 2014 just got busy with other things I had a couple other good trucks. So it's set for years. You can see post on here where I got it out of the weeds got it running but it smoked and didn't run very well.
So I bought a unit from diesel technology incorporated A DTI 3300 s so I could get the timing set properly
I started working on setting the timing went through all the regular stuff that everybody else does trying to get the timing figured out I think I'm getting close on that but I ran into another problem. I'm getting a severe squawking sound. This squawking sound is a long squark that makes me think the engine is freezing up it it definitely drags down when you hear the squawk it can even stop the engine if the RPM's get down below 700 RPM I would say estimated. I don't wanna race the engine up but at that 700 RPM there's only 10 lbs of oil pressure. I used a stethoscope it went all over the engine trying to find where the noise is coming from and I just have not been able to pinpoint it.
The noise is in time with the injection pump gear
I did notice the the harmonic balancer has got a slight wobble maybe 20 thousands could be more
you can't hear this noise just cranking the engine to start it. And yes it does do it if you've got the fuel injector 12v unplugged.
just wonder what y'all think.