JDcrawlers Messageboard

Gil, #1 & #2 are correct. When engine is 'cold' we have to use jumper cables in addition to the 950 cc battery to get sufficient cranking speed. After it shuts down, with the jumper cables still attached, engine will not turn over fast enough to start (even if it would???) But it does turn engine ov...

We replaced the metal tubing with high-grade WOG (water, oil & gas) rubber hose of same ID as the metal tubing.
Only reason we replaced the line and elbow on the fuel pump was because the threads had stripped out on that end.
Engine is doing same thing before and after new line was installed.

rlk60, we installed a new fuel line recently.

Haven't had much time to play with the old 440 during last few weeks, however we did start it yesterday and it ran it's normal 4 to 5 minutes and shut down. Don't have a tach, but we run it at high RPM thruout that time. We installed a pressure guage in fuel line where it enters the head. We watched...

Will shoot a video when we get a chance to play with this thing later this week.
Thanks,
parkmanaa

Thanks for all of your ideas and suggestions. We are trying them all, as time permits, and will let you know when we finally determine what the problem is. We thought we found the problem in the short hose connecting fuel filter to the pump. It seemed to be collapsing. Replaced it but no difference....

Will try to bring everyone up to date on our shutdown problem after 4 or 5 minutes run-time. As mentioned in original post, this 440 ICD's GM engine was completely overhauled last year (sleeves, pistons, rings, all bearings, head trued, new guides and valves). Since that overhaul it has run very lit...

Thanks again, JD440ICD2006 We will check some of the points you listed. I am beginning to suspect the fuel pump, although the missing restrictor on line going back to the fuel tank is also suspect. Hate to be a nuisance, but one more quick question: Does the fuel pump put out steady stream of diesel...

JD440ICD2006, thanks for your help. I know the problem is lack of fuel, just wasn't sure what else to try. We removed the fuel tank, thoroughly cleaned it out, final rinse with diesel. Removed and cleaned out the fuel canister, installed new fuel filter. I forgot to mention, we did not disassemble a...

I own 440 ICD S/N 450563 The engine was getting weak so we overhauled it, top & bottom (sleeves, pistons, rings, all bearings, shaved head, new valves, guides,springs & seats). Completely disassembled injectors, cleaned and carefully put them back together. Everything looked good at that point. Sure...