
LB7 - DuramaxDiesels.com
Dec 24, 2025 · Lb7 Oil Level Switch - Struggling with Pin 70 2002holding Mar 3, 2025 Replies 3 Views 376 Mar 4, 2025
LB7 - Ultra Reliable 600 RWHP Build - DuramaxDiesels.com
Feb 5, 2021 · Thinking about long-term plans for my truck (2003 CCSB 4x4 LB7). Let's say the goal is 600 rwhp (or enough to run 7.99 in full street trim in a 7000 pound truck) and to be as reliable as …
Tune Library - DuramaxDiesels.com
Aug 17, 2024 · LB7: Looking for a stock and a tow tune. strokerz Nov 21, 2019 Replies 10 Views 3K Nov 26, 2019
LB7: - Fuel in oil and oil leak | DuramaxDiesels.com
Oct 17, 2011 · What year is your truck? Sounds like a LB7, they have the most problems with fuel in oil. If it is a LB7 more likey it's injectors. I have never heard of the cp3 putting fuel in the engine oil but it …
LB7 Blowing Smoke under heavy acceleration - DuramaxDiesels.com
Oct 5, 2023 · I bought a green extended cab lb7 with 125k miles on it a few months ago and have been noticing this problem slowly getting worse. It seems to be that whenever I really get into the throttle I …
LB7: - Rail Pressure Issues | DuramaxDiesels.com
Jan 9, 2012 · Been looking around on the interwebby and not finding much on the issue i'm having with an 02 LB7. The truck surges/hunts at idle like an FPR going bad. When it was cold at idle in park and …
LB7 stock turbo longevity and upgrade options?
May 19, 2023 · LB7 can't get a P2563 or P003A as they're a fixed geometry turbo from the factory with a mechanical wastegate. The stage 1 powermax turbos aren't bad but they also aren't great. The …
LB7: - Fuel Pressure specification | DuramaxDiesels.com
Oct 12, 2012 · Does anyone know what the fuel rail pressure should be at idle?
LB7: - Fuel in oil and no visable leaks | DuramaxDiesels.com
Jul 3, 2015 · Been fighting a oil dilution problem for a while now and it keeps getting harder to find the leak.No return or injector leaks visible with covers off and idling at 160mpa so I added dye and …
LB7: - Injector Return Line Leak Test | DuramaxDiesels.com
Nov 26, 2013 · Hey all. I have a Mity Vac ready to go for tonight. I am aware of the 15 in-Hg vacuum test...and the 15 psi pressure test to find a leak if the vacuum test fails. However, could someone …