Turbo blankets - Dodge Cummins Diesel Forum
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post #1 of 32 (permalink) Old 03-20-2019, 05:23 PM Thread Starter
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Turbo blankets

I watched the video and from power driven diesel about the blankets and how they help with spool up. I also want to shield my hood from my secondary turbo.

Of course the turbo folks do not like them. I was told that when you turn the truck off, the oil drains out of the turbo. A thin layer of oil is left on the bearings and the blankets hold enough heat in to basically cook the oil on the shaft. Eventually it will up the bearings.

Who runs them? For how long? Are they worth it?


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post #2 of 32 (permalink) Old 03-20-2019, 05:38 PM
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I run one but short term so far. I think Broaner has them, Grunt also has them (also short term).

If your running your truck hard, you should be letting it cool down before shutting it off. Everyday driving, you should be fine if using a synthetic oil. I've run royal purple for over 250k with zero issues on 2 turbos with no cool down (no blanket though).

Are they worth it? yes

https://www.cumminsforum.com/forum/3...l#post28841265

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #3 of 32 (permalink) Old 03-20-2019, 06:06 PM Thread Starter
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This is a fresh new rebuild. I have regular 15/40 rotella in if now with the break in additive. After that I will run shaffers synthetic.

I planned to let it cool down after driving but it will only cool down so much

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post #4 of 32 (permalink) Old 03-20-2019, 06:20 PM
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I have one on my 2nd gen and it clearly worked to reduce EGT's... Not around town stuff but towing in the summer my EGT's dropped considerably because of the radiant heat the intake was sucking in from the turbine housing.
Shut down idle times didnt change either because the turbine is the only component blanketed and the shaft is already protected from heat by the heat shield. So its not going to hold in heat as some suggest... You'd have to wrap the entire turbo to cause something like that to happen.
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post #5 of 32 (permalink) Old 03-20-2019, 06:54 PM
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I have a bd blanket. Lowered egts, cant tell you long term effects though. In my opinion though, if u just ran it hard, let it cool off for a few minutes before shut down.
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post #6 of 32 (permalink) Old 03-20-2019, 07:16 PM
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Turbo timer on my CTS makes me feel fine about my blankie.


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post #7 of 32 (permalink) Old 03-20-2019, 08:29 PM
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I have one but also short term. I always let my truck cool to 350 or lower. Iím not buying the argument about blankets keeping so much heat in to cook the bearings...

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post #8 of 32 (permalink) Old 03-20-2019, 10:18 PM
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I don't believe the blanket makes coking any worse as it doesn't cover the center where the bearings are. My Garrett doesn't have a issue either way with the water cooled bearings.

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post #9 of 32 (permalink) Old 03-21-2019, 02:58 AM
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I don't worry about it. If i run it hard, I'll just let it cool down before shutting it off, just like i would before my turbo was all cute looking snuggled up all cozy with a blanket.

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post #10 of 32 (permalink) Old 03-21-2019, 10:50 AM
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Quote:
Originally Posted by GRUNT 11B View Post
I don't worry about it. If i run it hard, I'll just let it cool down before shutting it off, just like i would before my turbo was all cute looking snuggled up all cozy with a blanket.
Snuggies....

Both your twins have blankets right?

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #11 of 32 (permalink) Old 03-21-2019, 11:09 AM
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Just my secondary/HE351

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06 QCLB 4X4 G56, SOUTHBEND DD, FASS 150, ARP STUDS, 50HP INJECTORS, EFI, HE351 S475 COMPOUNDS, FLUIDAMPR, HAMILTON PUSHRODS & 103# SPRINGS, 624 HP 1090 TQ 01 QCLB 4X4 AUTO, WHEELS, TIRES, STEERING WHEEL, CUMMINS, BUMPERS, FUEL TANK, SEATS, ETC.
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post #12 of 32 (permalink) Old 03-21-2019, 08:39 PM Thread Starter
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Quote:
Originally Posted by GRUNT 11B View Post
Just my secondary/HE351

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Why is that? I got them for both of mine. Figured I would try and keep as much heat out if the bay as I can

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