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Yes, I am the Tim in the video. Delphi HFP906 is the only mechanical pump I know currently sold new that works and can deal with the biodiesel.

Exactly. I normally count to 20 while cranking, let it sit for a few minutes and repeat. Here is a video about the entire process:

If you are getting greasy white smoke then you have fuel but not enough heat to create fire. Basically anything below 156° inside the cylinder is too cold for a diesel.

It normally takes around 60-120 seconds of cranking to get air out of the injection pump.

Clogged sock, cracked hose, no fuel in tank or bad fuel pump.

The fast idle and cold start advance both have a green wire connecting to them. The pink wire as pointed out above is what turns the fuel on or off. My post in #24 is just following normal fuel filter bleeding procedures. If the engine is cranked with the pink wire connected and powered while...

Heath diesel 22 inch fan. It could be a Duramax fan, but I have never compared them. Heath Diesel severe duty fan clutch. I drove 487 miles yesterday. Late afternoon above 90°. Never spiked higher than 203° coolant temp while climbing some long steep grades on I-10 west of Kerrville.

It might be too late. But, pull your pink wire when checking the lift pump flow with the fuel filter open.

Have you removed the check valve for the return line on the IP to see if it has a bunch of little black pebbles from a disintegrating IP? Near the end of this video is what I am referring to:

The rule of thumb used to be that above 35-40 mph air from the airstream flow would keep an engine cool. It still might be true for a non turbo 6.2. However the original poster has a truck with an add on turbo, air conditioning and a transmission cooler. All of those things add heat to the...

Thank you.

How did you adjust the brakes? You should have a firm pedal that is 2-4 inches above the floor with no air in the airpack/truck air system. You wrote it has been bled twice and the brakes are adjusted. Also, that there are no leaks. At least 1 of those 3 still needs attention. Here is a video...

Thank you for the links. Any idea how to find the lock up percent and duty cycle for that fan clutch? I wasn’t able to.

I have looked but not found V belt rotation parts that are as good.

Put a light layer of grease on the starter and put into position. Then see where it is contacting the bell housing by what transfers. Lightly grinding the greasy spot might get you the clearance you need. However, the bent part of your description has me wondering if that is causing the pilot...

The Heath stuff is reverse rotation serpentine belt. I don’t know of a V belt fan clutch and larger fan.

Almost good timing. I am in the process of doing several videos about testing, hot wiring, taking apart, testing the parts and putting a 27SI back together. Should be another week or so before I start getting them published on my channel linked in my signature below. What exactly isn’t...

Oh, I don’t have a 465 behind a 6.2. I do have a NV4500 behind one. But, your 465 won’t bolt to that.

The 465 came from the factory with the 6.2 and the 27MT starter. Does the bell housing go over the located pins ok? If so since those pins don’t have very much clearance, how about your input shaft bearing?

OK. You really are getting hot and you know what is what. I ended up with the biggest 2 core aluminum radiator radiator.com sells for the squarebody. It helped, but even on our relatively flat terrain I was still getting over 210° on 95°+ days with high humidity while going 70 mph or more with...