Chevy and GMC Duramax Diesel Forum - Reply to Topic
01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

Thread: Another LB7 Balance Rate Quesiton Reply to Thread
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  Topic Review (Newest First)
12-06-2019 09:04 PM
trever20 Also, I've been using diesel kleen (gray bottle) for the last 2 months I've owned it. Should i keep this up?
12-06-2019 08:53 PM
trever20 yeah that was in park after an hour or so long drive
12-06-2019 08:51 PM
1TRIKHD https://www.dieselplace.com/forum/63...nce-rates.html

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12-06-2019 08:46 PM
caleb.broege Seems like you’re good no smoke and good balance rates


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12-06-2019 08:45 PM
1TRIKHD Was that in park at operating temperature?

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12-06-2019 08:23 PM
trever20
Another LB7 Balance Rate Quesiton

I recently bought my first diesel- 2003 LB7 CCSB Sierra. I've been trying to save and set aside money for when the injectors go out. I was able to get the balance rates on them and am wondering if you guys can tell me if they are reasonably within GM spec. I believe they look fine but want to confirm. The truck has 185k miles. Injectors changed somewhere around 110-115k from previous owner. Fuel mileage is 19-20 @ 70mph. No smoke or haze whatsoever. Thanks in advance!

Cyl 1- 1.7
Cyl 2- -0.2
Cyl 3- -0.3
Cyl 4- 0.1
Cyl 5- 0.1
Cyl 6- 0.1
Cyl 7- -0.8
Cly 8- -0.4

Rail Pressure: 4931

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