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Old 03-25-2023, 04:35 AM   #1
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cummins 360 isc

Thor with anti freeze in exhaust. Would the turbo be water cooled?
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Old 03-25-2023, 05:08 AM   #2
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Quote:
Originally Posted by SP7689 View Post
Thor with a 360 Cummins anti freeze in exhaust would the turbo be water cooled


Could be cylinder liner pitting allowing coolant to get in cylinders, head gasket,turbo cooler leaking all a guess. Any coolant in oil?
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Old 03-25-2023, 05:16 AM   #3
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no coolant in oil
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Old 03-25-2023, 07:47 AM   #4
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Seems like you edited you first post now it's missing issue. What motor? if 5.9 isn't wet sleeve. With high compression of diesel it likely to blow a lot of pressure into cooling system. Are you just getting lots of smoke or does it smell sweet? Prior to issue was it overheated. ? Has coolant been tested with strips regularly for proper additive level to protect wet sleeves from cavitation pitting?
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Old 03-25-2023, 12:50 PM   #5
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cummings 360 isc

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Seems like you edited you first post now it's missing issue. What motor? if 5.9 isn't wet sleeve. With high compression of diesel it likely to blow a lot of pressure into cooling system. Are you just getting lots of smoke or does it smell sweet? Prior to issue was it overheated. ? Has coolant been tested with strips regularly for proper additive level to protect wet sleeves from cavitation pitting?


OP said 360 hp isnít that a 8.3 liter?
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Old 03-25-2023, 01:01 PM   #6
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360 HP could also be a CUMMINS B engine.


We don't even know what year coach/chassis/engine he has.


Hopefully he will either edit the initial post if that feature has not time-expired or make a new post in the thread with full info and use the "contact moderator" by clicking on the small triangle in the lower left of the post to ask that his initial post be updated with the full info (copy and paste the new info).
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Old 03-25-2023, 01:20 PM   #7
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360 HP could also be a CUMMINS B engine.


We don't even know what year coach/chassis/engine he has.


Hopefully he will either edit the initial post if that feature has not time-expired or make a new post in the thread with full info and use the "contact moderator" by clicking on the small triangle in the lower left of the post to ask that his initial post be updated with the full info (copy and paste the new info).


Isnít the B engine a ISB not a ISC?
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Old 03-25-2023, 01:32 PM   #8
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But the OP has stated that it's an ISC.



But yeah, SP7689, even if you can't edit your opening post, at least add an additional post to this thread with the exact Cummins (appears to be a 360 HP ISC) and some more information about the coach, chassis manufacturer, and the year ...and also more detail as to the problem you're having.

Ok, I see now that it's a Thor Presidio that's 42.5 ft long ...what year?

...and welcome to the forum, btw.
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Old 03-25-2023, 09:51 PM   #9
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Cummins did not produce an ISC 8.3L engine with 360HP for RV application, they made a 330, 350HP and later a 370HP and near the end of production 380HP.
https://www.cummins.com/engines/isc83-epa-2010
The ISC engine was discontinued due to overlapping HP from the ISB 6.7 and the ISL 8.9 was redundant.
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Old 03-26-2023, 07:30 PM   #10
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It likely was not 5.9 and is a wet sleeve engine. We don't know if was overheated yet or much else more info will help.. Did it start smoking cold in driveway or hot going down the road. Is it smoking or splitting droplets. Owners see white smoke can go right to antifreeze can be unburnt or over fueling. Sniff test or collect vapor on spoon ect can help tell. Or if pumping compression into cooling system. Diesel is more likely to blow coolant out of the cooling tank ,than ingest coolant while running with a bad head gasket . There's little vacuum and lots of compression. Pit/hole in cylinder can cause hydro-lock when you try to start again ,well so can a bad head gasket. Also weep past rings into bottom of pan won't mix with oil unless started. I would note level of oil on stick for it going up. If you start it, check that oil again right away for getting milky. AF will start to slow oil through filter and start wear on bearings .
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Old 03-27-2023, 05:49 AM   #11
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Quote:
Originally Posted by SP7689 View Post
Thor with anti freeze in exhaust. Would the turbo be water cooled?

If you create an account in Cummins QuickServe with your engine serial #, you'll be able to get lots of info on your engine. Not the easiest site to navigate but a little searching most stuff should be found. Here is the link:
https://quickserve.cummins.com/info/index.html

You can find the serial # from the engine data plate. On my ISL 400 it's on top of the Front Gear Cover.
Then you can update this post as well as there seems to be a lot of confusion on the above posts what engine you actually have.

I did a quick search for my ISL 400 with "Coolant in Exhaust" and this is one of the pages that came up.
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