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Old 09-03-2015, 10:53 PM   #1161
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This bus is so badass. I can't wait until it's done.
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Old 09-04-2015, 12:04 AM   #1162
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The turbo location on yours is exactly the same as my B700 5.9 Cummins ( Haul All).

I like the layout.

Nat
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Old 09-04-2015, 05:15 AM   #1163
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*drool**drool**drool**drool* Hey someone get me a five gallon bucket to drool in......
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Old 09-06-2015, 10:16 PM   #1164
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Howdy All --- spent much of today putzing with the turbo drain line on my Cummins 4BT. The motor mounts I am using (made for a Jeep) don't leave enough room to properly route the drain back into the system so I had to do some chopping and welding.


This doodad comes off the turbo & used to be much longer with a couple of bends in it. I cut and welded it to flow straight down.



THIS doodad used to fit into the engine block (and was a major PITA to remove) as the return tube for the turbo oil. It will now be welded directly into the oil pan once cleaned up a bit. These two pieces will be connected with a section of 7/8" hydraulic line.


The new return point has to fit above the normal "full" mark in order to flow properly and I will position it at one of the X's. Still undecided which.


One concern is simply blocking off the old drain port going into the engine block. I used a screw down type freeze plug that I think will be OK, but still not sure. There should be no real pressure behind it since the crankcase is vented, but still...I may wind up tapping threads and using something more substantial.

Hope everyone is having a good Labor Day holiday and getting some work done. I will be back at it all day Monday.

ONWARD!
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Old 09-06-2015, 11:45 PM   #1165
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Hey Tango. Would I be right in guessing that the return line tube was a press fit into the block? Also, I'd like to know what the deciding factor will be as to which "X" you use. Hope you have a good play day on Labor Day! Jack
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Old 09-07-2015, 06:21 AM   #1166
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Tango, you should be able to find a regular freeze plug for that hole.
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Old 09-07-2015, 08:54 AM   #1167
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Howdy Guys --- Hey Jack...yes, the return tube is a press fit with a very small rubber O-ring. Really snug, but thanks to all the oil, not rusty on the inner surface. And the only drivers in the location issue are routing of the return line and making sure the flow enters above the pan's normal "full" level. The oil coming out of these turbos is not pressurized, just gravity flowing, but, can be "frothy" after going through and requires a fairly large, free flowing path back into the pan.

Somewhere...I looked for a standard press-fit cupped freeze plug, but could not find anything nearly that small (7/8"). I have been told there is such a thing (somewhere) and will continue to look, but meanwhile, didn't want mud daubers moving in. They are famous for building their little concrete condos in any hole left open for 5 minutes. A pilot out of one of the small airports I used to fly out of here was killed when his plane stalled out during a turn on takeoff. The FAA found that the pitot tube which helps indicate airspeed was partially blocked by the buggers work. The cover had been left off over night and they moved in. Bummer.
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Old 09-07-2015, 10:25 AM   #1168
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Am I they only one that thinks they look like + signs and not x's?
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Old 09-07-2015, 07:18 PM   #1169
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Yup.

56789.
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Old 09-07-2015, 07:45 PM   #1170
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Picky, picky, picky.

Today was spent trying to cut, patch & weld a rehab section into my inner fender on the passenger side. Thought I had bought a pair of much better replacements but like many things on Epay, they were not properly labeled. Turns out they are for a '40-41...not '42-46. But, as fate would have it, the louvered sections were the same, so it was a cut & paste job. A...painful...cut & paste job.

Ah well, at least there is some hope they will eventually look more or less right.

I know, I know..."pix etc., etc., etc." Stay tuned. Coming soon.

ONWARD!
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