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Pics or it never happened. Also describe how you handled the front driveshaft. That engine weighs 600lb more than a 6CTA8.3.

Start here: https://m.youtube.com/watch?v=gwepAWiP_m0 This method will get you to the data tag spec of 8 degrees. From there, degree out the crank damper with reference from TDC to 10 degrees to BTDC, in single increments. Timing tape will have to be based upon crank damper diameter. The...

I also thought the same thing. Why would you want to sling wood atop a 5' tall platform to move it? That will suck a lot of energy out of somebody. Post pics!

This thread should move to 5T mod. I have this on mine too. I use a conventional trailer brake controller and an www.XM381.com box I had him add 3 unique circuits to. 12v brake I/O, 12v reverse light I/O, and 12v battery charging pass through. I tap off of one battery, the most reliable method...

After much thought and investigation, I think I may be able to advance the injection timing myself, and I want people to check my thinking on this please: Our 6CTA8.3 engines are timed at 8 degrees per the data tag. This means with both the cam pin (engine @ TDC) and injection pump timing pins...

The 6CTA8.3 aftercooler can easily be put on it's own cooling loop, there is only a single inlet and outlet pipe on it. Use an electric pump and some type of radiator for it like a trans cooler or such. This gets it off your engine cooling circuit altogether so you could easily and effectively...

6CTA8.3 uses head bolts.

1. Move the radiator back 2.5" and install a real charge air cooler. One from a 1995 Volvo WIA truck with a Detroit Series 60 engine fits perfectly. Volvo part number 8181250. See 4xdesign's thread about it, he did a beautiful job and I am following his suit. The Cummins aftercooler is only...

1. Probably easier to just get the correct sender. A lot of people part these trucks out. You could get a good working used sensor for the price of a new resistor, and not be adding additional failure points which fall out of calibration with changing temperatures. 2. Fan clutch is air...

Is it a genuine Delco unit, or a Chinese clone? How much was it and where did you get it? I'm trying to track these things. Will have Delco Remy cast into the rear if genuine. Will say nothing and cost under $200 if Chinese (I have a source as low as $89). Also, the stock military 60A...

Thanks for the experience.

I'll check the ground to frame connection(s). Ground to engine is perfect, as truck cranks very fast. It looks like my ABS module sustained several over-volt shut downs before finally failing. Also seems to be a lot of the main cause of failure of these. It is probably just what happens, or...

Just bought a new replacement ABS ECU from SUPRMAN after over-volting mine from shutting off both dash switches at the same time. I don't think a proper design should be able to self-destruct, but whatever. Thought I would throw up a few pics of the new module, prior to install. The module...

I also say drive it. Having it towed on a platform won't provide an entertaining story here.

Thanks for explaining the keyway deal. It didn't make sense. As a separate thread or PM, could you explain the procedure to check and adjust injection timing on the 6CTA8.3 with the MW pump? Quickserve only describes the method above. Myself and several others here are curious as to how to...

We are going through the IP timing right now on the performance thread for the 8.3. It does not look like anybody has messed or had to mess with it yet. You could be the first. The Cummins Quickserve online service manual does not signify a difference between timing the 7100 or MW pump...

My last ditch effort would be 2 items: 1. Remove one of the large plugs on the governor side case, and crank the engine, see if the pump is spinning at a rate you would expect it to be (1/2 engine speed). You should be able to see the governor springs rotating when doing so. 2. Pull the tach...

Keep driving it. You'll eventually find out what it is. :driver:

Good call. Quick test is to pinch the return line shut with Vise-Grips and try a start. Don't let it run long if it fires. The pinch-and-release when running is a shade tree way of cleaning this OFV. It is located in the banjo bolt on the return line fitting at the pump.

There has been one case here where the fuel shut off lever itself on the pump was not grabbing the control rod that goes into the pump. So, the stop lever was rotating on the outside, everything looked correct, but it was found that the lever was not actually rotating the rod that goes into the...