Helping JimT out with an inframe ...
09-22-2020, (Subject: Helping JimT out with an inframe ... ) 
Post: #98
RE: Helping JimT out with an inframe ...
We didn't take the turbo apart, just removed it from the truck.

Bobtailing home all I could get it up to was between 20-25 psi, but I was also running it up around 1600-1800 rpm the whole way back. Going out tomorrow to pick up a load of ISO so I should be able to get a better idea what it looks like under a normal load. I know the CAC had a leak on the passenger side at on of the top mounting bolts. Maybe the removal/reinstall resulted in the leak getting worse. I'll look into it more over the weekend. I typically keep the boost down around 5-10psi, maybe 15 up a hill, so it should be ok for the moment.

Oil pressures continued steady, 25psi idle, ~38psi in the 1600-1800 range. That's the new pump which doesn't use shims. The noise seems to have subsided slightly too.

Coolant temps inched up to steady 181F on day 2. Maybe the new thermostat needs to break itself in? Still seems a little low to me, but maybe that's normal?

After the half gallon of top off coolant I added yesterday it didn't really go down anymore. No measurable drop in engine oil level. Still no visible leaks. Even along the oil pan where I used the plumbers putty or whatever it is that Rawze suggested. Looking all good.

Finally replaced my Davco unit. Forgot to bring it with me down to Rawze's so I changed it out today. It was getting to the point where the fuel level wouldn't stay above the bottom of the clear housing. No matter how much I filled it up, after a day of driving it would end up down just below the clear plastic. Installed the new one, bled the air out and we'll see how it does tomorrow.

Picture:
https://photos.app.goo.gl/KXLiA5CJT6kPhEzp6

Finally, on the way home something in the fan belt area started making some noise. Kind of a ticking/tapping/clicking sound. Not quite a chirp or squeak. So I pulled the belts off today and it seems both the AC compressor and the Alternator are making noise :/ Mostly the Alt. Battery voltage/system is charging just fine so I'll just keep an eye on it. I can disconnect the AC if needed. I think it's a 170amp alt and I was considering something a bit bigger anyway.

Made a video (with sound) of them spinning here: https://photos.app.goo.gl/eqhj4RL3W8DBQ9Dw9

Hopefully they can hold out a few weeks cus I'm fresh out of money right now!

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For those who missed it, here's the link to my full rebuilt photo album:
https://photos.app.goo.gl/Nmzav1DWydFRFUMq8

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Not too much to say about reassembly other than it would help speed things up a lot if you go through and clean the parts up ahead of time. Even if you're not painting anything you still want to get the grease/oil/dirt and especially the rust off of the surfaces. Scrape off old gaskets, flat file and scotchbrite mating surfaces, clean up the injectors/injector tubes. Stuff like that. Just a real time loss when you have to halt assembly to spend time scraping or sanding something that could have been done while waiting for parts to arrive.

The other thing, other than painting, that took a lot of time was applying anti-seize to nearly everything. Bought a new bottle for the assembly and I used about half of it by the time I was done. Bolts, o-rings, gaskets, mounting surfaces. Basically everything except the injectors (vasoline), the intake manifold (used marine spray on that instead) and the oil pan gasket got a thin coating. Even the inside surface of the v-clamps got a nice coating.

Took my time and made sure I torqued everything down properly.

Overall I spent about a week doing basically nothing but prepping and painting parts. Yeah, it wasn't strictly needed, but I wanted the outside to reflect the time and effort spent rebuilding the inside. Yup, spent a whole $60ish on about 10 cans of spray paint (IH Red) from tractor supply. 1 coat, some paint runs, a few touch-ups after install. Dries (need AT LEAST 24 hours!) slightly brighter then the Cummuns Red with a slight semi-gloss shine. Even after a week or two there's still some spots of paint right now that will rub off on my hands when I touch it. The Cummins Red dries pretty fast and goes on much thinner with more of a flat/eggshell appearance. It's also like 3 times the cost of the tractor supply paint!

Oh, one last thing. As a test I used corroseal on the exhaust manifold. It sealed up that rusty thing beautifully. So far it doesn't appear that any of it has burned off. It bonded and dried FAST. Even after 4-5 coats with a sponge brush it dried into a nice hard, black surface. I was gonna repaint it in a few months with some high temp ceramic paint (VHT) that I have lying around, but if this finish holds up I might not bother.


User's Signature: "...And as we wind on down the road, Our Shadows taller than our Soul..."
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 Thanks given by: Lonestar10 , marek4792 , Pd6cas2 , Brock , Rawze , tree98 , Roysbigtoys , JMBT , ZeroNthedark


Messages In This Thread
RE: Helping JimT out with an inframe ... - JimT - 09-22-2020



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