This is something that I have been gathering up parts for sometime. The stock oil system simply sucks for the type of situation it is in (it's not in the arctic). The stock system takes 12-15 sec until oil pressure is built up. The stock filters don't filter very well. A year ago I updated to dual Wix XD filters. Later, I changed to the OD Iron remote oil filter system. Both of those systems cut down the time-til-pressure significantly. However, most engine wear is caused at startup and most turbo damage is caused at shutdown. So, I set out to make a pre/post lube system. I looked at the systems available on the market. I didn't like them and they were too expensive. So I made my own.
The pump is made from an M151 starter and a Mopar 318 (only the best) oil pump. I machined a seal retailer to fit on the snout of the oil pump and used a standard Lov-Joy coupling to connect the two together. It is then plumbed together with the remote oil filter.
Next came the oil supply.
The systems that you can buy have you replace the oil pan plug with an adapter. I didn't like that, so I added a port at the bottom of the oil pan. It has a replaceable gasket that only take 4 nuts to get to. There is also a shutoff valve there if something were to go wrong.
Finally the controller.
I wanted a system that I could touch a button and it started. When I turn off the truck, it started automatically for a preset amount of time. So, I made one. It took 1 latching relay, three standard Bosch relays, a one shot timer, a 3PDT relay, a heavy current solenoid, three diodes, and a 5 PSI oil pressure switch. Oh, and two voltage regulators & two LEDs for fun. You press the red button to activate, it then kicks the pump on (and both the "System Ready" and "Pump Active" LEDs). Once it finishes the oil system is at pressure and the pre/post lube system stay "ready" until the oil pressure drops below 5 psi. Once pressure drops below 5 psi, the pump kicks back on. Once the pump turns off, the system is shutdown and draws 0 mA. The timer has a range between .05 secs - 4 Hrs. Right now, I have it set a 30 secs. The pump can maintain cold oil pressure of ~45PSI and worm pressure of ~25-30 PSI.
Avatar: XM757 in OK prepared for 1,000 mile trip home. Part of 6,000 mile journey in 2006.
1968 M49A2C modified with 1960 M756A2 truck bed and 1975 HIAB 765A knuckleboom, exhaust brake, VIC-1 and more.
1969 Ford XM757 8x8, 5-ton Pershing 1A truck tractor...the "improved MV".
"Some things can't be made better, just differently......a lot of things actually"
Is there a reason you didn't come out the side of the pan? An unwanted object might snag the hose. I like the use of the steering shaft for a mounting spot.
I'm interested! Could you give a better break down on the parts? I'm not a wiring whiz, but I have a pretty good grasp. I just don't fully understand how you used all the components.
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"And I looked, and behold a pale horse; and his name that sat on him was Death, and **** followed with him."
Is there a reason you didn't come out the side of the pan?
I wanted the lowest available spot. I figured it's no worse off then the commercially available setups. The idea of something snagging is a concern...somewhat. That's why the fittings are steel and why I used a hydraulic line. But it's not as bad as it seams in the picture. It would take an extreme object to get anywhere close to the line...such as the back of a Volkswagen. So, if something gets the line, it has probably also hit the engine and axle causing much worse damage.
I will see what I can do are a wiring diagram. It is extremely complicated, but at the same time, very simple. I wrote it by hand on the back of a bank statement.
Here's a picture of when I was making the controller assembly. I installed the controller under the driver's seat. As with all connections, I used weather-pak connectors to connect it all together.
...Added a picture of the controller assembly installed under the driver's seat.
Great work. I am so happy to see someone pushing forward on these prelubers. What about deleting the male-to-male adapter that screws into the plate on the oil pan by just having the 90-degree screw into it. I worry about something hitting it too. At least that would pull it up an inch or so.
Eh, just weld a bung into the lower edge of the pan facing to the side or rear. All that bolting and fittings is a nit extravagant. I'm a fan of K.I.S.S. Excellent work overall though. The electronics is enough to make me cringe, but it's definitely not my strong suit.
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Lanty A. Clemons Mopar Parts Advisor
1988 Dodge Ramcharger AW450 Project
318TBI - NP435 4 speed - NP205 - Front & Rear Dana 60s
"I am the voice of reason, in an unreasonable world."
"Ya know, offroading is for people who have more sense than money. Not the other way around." - Maddawg308
Pre / Post Lubrication System...Done.
I like the use of the steering shaft for a mounting spot.
So, if something gets the line, it has probably also hit the engine and axle causing much worse damage. 
I wrote it by hand on the back of a bank statement.
