Chevy and GMC Duramax Diesel Forum

Chevy and GMC Duramax Diesel Forum (https://www.duramaxforum.com/forum/)
-   01-04.5 LB7 Duramax Powertrain (https://www.duramaxforum.com/forum/01-04-5-lb7-duramax-powertrain/)
-   -   Another LB7 Balance Rate Quesiton (https://www.duramaxforum.com/forum/01-04-5-lb7-duramax-powertrain/1003003-another-lb7-balance-rate-quesiton.html)

trever20 12-06-2019 08:23 PM

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

1TRIKHD 12-06-2019 08:45 PM

Was that in park at operating temperature?

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caleb.broege 12-06-2019 08:46 PM

Seems like you’re good no smoke and good balance rates


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1TRIKHD 12-06-2019 08:51 PM


trever20 12-06-2019 08:53 PM

yeah that was in park after an hour or so long drive

trever20 12-06-2019 09:04 PM

Also, I've been using diesel kleen (gray bottle) for the last 2 months I've owned it. Should i keep this up?


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