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Well as I read the whole post, I was waiting for the post where you discovered that the lift pump pressure was not good enough. There are a number of things that matter, but the number one is good presistant high lift pump pressure. The OEM style solenoid pumps do not work at all or for long...

PM sent Yes Stanadyne has relaxed who distributors can sell to as the DB2 and DS4 are now dead end of life products pretty much People always ask me why I religiously use my own 2 stroke oil based lubricity and performance enhancement formula and the study on the issue...

I would be very grateful for that 5079 spec PDF. Can it be attached to PM?? I had access to all that until the shop owner closed the door and retired we both did. Stanadyne does not sell hard parts - pretty much anything to non dealers so aftermarket rebuilder shops have to buy aftermarket...

Well - he had 30 years - and never had one "grenade" - he had a few seize If you are speaking of "we" meaning your company, I did not see on your website where you rebuild IP's at all. Most places do not rebuild the 5079 - because they cannot get the Artic parts unless they a Stanadyne...

@quadstar87 "grenade" is reference to your depiction that an unknown IP could burst on a test bench and my buddy told me he had not seen or heard of any such thing. As to the sentences around it - was only realization with example to deal with Stanadyne by proxy only for me in this case. The...

That thread made me pause and saved my bacon... as I came across a seller on ebay "American quality" who had a 12 volt cold start solenoid - but the listing said new at one point and used at another and said 12 volt in the title and then 12 volt and 24 volt in the description. Then it...

OK . . . the shop I worked with would spin them up all the time on the Hartridge ( http://www.hartridge.com/products/ ) but the owner was a certified Stanadyne rebuilder shop and could bring up RPM gradually and knew if there was noise that was weird, he would shut it down. He had a lot of...

I am seeking someone to recommend or who knows of a reputable place I can ship my db2 12 volt converted 5079 for bench testing who will provide me a report and not charge as much as the labor costs to rebuild the thing. The 5079 DB2 is a 24 volt initially artic kit type of the 4911 for turbo...

I am more afraid of the 6.5 cutting out than the government. The GM service bulletin November 21, 2003 proved the 6.5 with A DS4 is a defective product or they would not have issued a new 11 year 120000 mile free IP replacement regardless of owner.. See...

. A Db2 5079 is just a 24 volt version of a 4911 for turbo 6.5 with the hardened artic internals so it's just the solenoid and TPS. to change. The PCM / ECM controls other things like a/c cruise control as well as the tranny as well as lift pump and glow plug circuit and other things...

It was genuine Carter that matched the optical catalog spec - says the origin country is China. Those wet motor canister pumps have very few applications today, and so one of the only places they are manufactured is China. They were based on patent with originally military contracts because...

Believe it or not - the new Lift Pump I bought had apparently been tested at the factory with water - and what initially came out was a few clumps of mold and what ever other crud was in there. It plugged my brand new fuel filter and I had to swap out a fuel filter two weeks old for a new one...

I know this post is old now - but I thought I would share - it is now a sad day for 6.5 drivers everywhere as Carter has recently destroyed the P4601HP fuel pump value many of us depended on. It is NO LONGER a 9 to 18 psi pump or American made. IT IS NOW CHINESE with a 6 to 9.5 psi output -...

The fuel pump idea is the winner!! I can machine up a sensor mount on one of those cheaper rebuildable sbc mechanical pumps and turn piston energy of the pump into rotational energy I am aware of the alternator solution but my object is to replace the CMP signal and electronically fudge up...

The fuel pump idea is the winner!! I can machine up a sensor mount on one of those cheaper rebuildable sbc mechanical pumps and turn piston energy of the pump into rotational energy

Well that's not good news The smog laws is not an issue as I have a way to satisfy the sensor inputs except the ESS off the optical sensor so I can't remove and change the crank sensor so I can use a mechanicall IP and let the PCM still and it is unlawful to use an OEM set up on the engine...

Does anyone know where the engine speed sensor (ESS) is or would be on a mechanical IP 6.5 Humvee /van motor?? On the DS4 it is part of the optical sensor but on the older engines DB2 it was found In the oil pump drive which is covered on humvee or van motor by the turbo, so the ESS must be...

Another thing to remember is the tranny and engine oil is dumped to the radiator in addition to in your case the condenser is in front. If you do not have auxiliary oil and tranny coolers off to the side - all heat can help to overheat a Diesel on a climb of a hill Mine has factory dual...

Mike wrote . . . "This rig will never see a dealership. Never" OK - add a GM MDI or Palmer Engineering OBDll laptop software setup with the GM diesel option enhanced PID function to your warchest Mike wrote .. . "I’m really new to diesel" . . . . it is not "Diesel" that is the real problem...

It is all good. If you have a budget - look at my post to how to do the lift pump yourself - which should save at least $100 for the same rotary vane LP set up There is actually gm dual lp wiring also - but if you use two fuel tanks - you can use either a rv solenoid to switch which tank to...