Exergy bad balance rates

x MadMAX DIESEL

<<<< No Horsepower
Dec 30, 2008
7,535
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Lexington, Ky
Just installed 60 overs a few days ago and started up the new motor for the first time tonight. Balance rates suck.. Will these level out eventually? Didn't even have enough running time to come to operating temperature. Probably from the piston rings not seated yet, but just wanted to ask.

1. -4.0
2. 0.6
3. 4.7
4. 1.8
5. 5.9
6. -2.7
7. -4.0
8. -2.1
 

LWATSON

future trans limpers
Jul 30, 2008
2,587
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55
Scotland Neck NC
I dont know much but I would think the reading needed to be taken at operating temp. I wouldnt freek out quite yet, get her hot and check em again.
 

x MadMAX DIESEL

<<<< No Horsepower
Dec 30, 2008
7,535
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Lexington, Ky
I'm not freaking out yet. I really think its just the new piston rings, but not 100% sure so I figured id ask on here.

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x MadMAX DIESEL

<<<< No Horsepower
Dec 30, 2008
7,535
1
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34
Lexington, Ky
Yes Its not a tune built for 60 overs, didn't think idling would be any different really. Maybe I was wrong about that... 12 psi lift pump and around 4,800 rail pressure ran for about a minute long.
 

IOWA LLY

Yes, its really me
Feb 23, 2007
2,275
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You need to at least run it long enough to get all the air bled out of it.
 

DBUSHLB7

Team DMAX
Mar 9, 2012
2,789
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Albuquerque, NM
Gotta be warm to check rates and gotta tune for them sticks. Greg @ Exergy sent a flow sheet to me with my purchase which I forwarded to Rob for new tunes. Did you get a flow sheet? No doubt you will be happy with Exergy, the list of happy trucks with that kind of quality honing is getting longer and longer. On a side note, I wish II had come out with those threaded injector cups when I did my sticks! FML
 

x MadMAX DIESEL

<<<< No Horsepower
Dec 30, 2008
7,535
1
38
34
Lexington, Ky
hmm well who knows. I've been on er pretty good, got almost 300 miles. Running a high 500 horse tune(hoping for 6 actually) Guess I'll keep an eye on them alittle longer.
 

Chevy1925

don't know sh!t about IFS
Staff member
Oct 21, 2009
21,688
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Phoenix Az
Yeah i would. Give her some time and see what happens. Ive heard of guys not getting full ring seat till 10k