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Dodge Competition and Performance General Dodge Competition and Performance Discussion

View Poll Results: Engine Break In - Seating Rings With No Coolant
I have tried it and it works great 3 18.75%
You would have to be a mad man to try this, no way 5 31.25%
I have a better way to seat the rings (please list below) 0 0%
I have no idea but like to vote anyways 8 50.00%
Voters: 16. You may not vote on this poll

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Old 07-05-2017, 04:23 PM   #1
EverydayDiesel
 
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Breaking Cummins In

Its almost time to fire this build up and I am looking for engine break in procedures.

I was searching and found this thread Engine break in? - Competition Diesel.Com - Bringing The BEST Together
which talks about breaking the engine in for a few minutes with no coolant at 1800-2000 rpm.

I am just curious your experience with this?

Last edited by EverydayDiesel; 07-05-2017 at 04:27 PM.
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Old 07-05-2017, 04:34 PM   #2
jasonc

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If you have a new cam, keeping the rpms up is the most important, don't let it sit there and idle until an hour or more of run time. Zinc additive is also important, I would fill the coolant up and just worry about the cam most.
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Old 07-05-2017, 06:23 PM   #3
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Put coolant in, run it, check for leaks, get the rpms up and break the cam in, check for leaks again, go beat on it and seat those rings.
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Old 07-05-2017, 08:20 PM   #4
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Vary the RPM's and don't let it idle for more than a minute or so. Load the engine some but don't build high boost. Seems to have worked for me so far.
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Old 07-06-2017, 12:07 PM   #5
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Breaking Cummins In

Is there a NEW cam in? Not new to you, I mean like it's never been in a truck before. If so, then refer to the manufacturer for break in procedures.

Aside from that, I would use some sort of ZDDP additive in the oil to minimize wear of metal to metal components (pretty much everything). You can hook up a trailer to it. That is the best method. Tow something around for about the first 500mi. or you can beat on it. I did the later. My truck seems to run fine 10k later. Bottom line, you want to put it under load to seat the rings ASAP. Or, it'll just take longer lol.

Lastly, run a cheap oil and filter for that first 500mi. then switch to the oil you plan to regularly run. Any crap still in the block or the head from the machine shop should be mostly cleaned out in that first 500


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Last edited by Stox5225; 07-06-2017 at 12:09 PM.
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Old 07-06-2017, 02:20 PM   #6
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You risk everything running with no coolant, and nothing will break in after a 5min run anyway.
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Old 07-06-2017, 03:04 PM   #7
EverydayDiesel
 
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thanks. it has a new everything in it. The machine shop decked the head and the block. It has carillio rods, 12mm gorilla girdle, new coated qsb pistons, mls gasket, new injectors, new oil pump, new oil cooler, almost new firepunk compounds, new exeedy 350% injectors, new ats dual fuelers, new hamilton 182/214 108 cam, springs, push rods, new lift pump on a stock 68rfe so I dont know how much beating i can really do on it until I can put a built 47re in it.
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Old 07-06-2017, 04:09 PM   #8
JWhite
 
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Do you have a set of stock injectors to run during break in?
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Old 07-06-2017, 04:41 PM   #9
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nope, i sent the stockers in for cores.
i also have new tappets and probably many other things i forgot on that list.
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Old 07-06-2017, 05:39 PM   #10
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I agree with what everyone says, except running cheap oil and a filter. Buy a good filter, and good high zinc oil like Brad Penn, along with an additive like others have mentioned. Just don't run a full synthetic oil for a while. It's always a good idea to start it up with a couple sober friends to help check for leaks and stuff. It's not a complicated process, but you can screw it up easily.
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