About 139,000 results
Open links in new tab
  1. 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

  2. LB7: - stock CP3 hp limitations | DuramaxDiesels.com

    Aug 28, 2013 · Anyone know at what point my stock cp3 maxes out for hp? I hear stock injectors will do up to 550-600hp but will the cp3 keep up with a lift pump? Im just putting everything in …

  3. 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 …

  4. 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 …

  5. 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

  6. LB7 build/ LLY swap - duramaxdiesels.com

    Sep 15, 2024 · Recently bought a wrecked lb7 for dirt cheap from a friend. Pulled the motor, stripped it to the block and sent it to the machine shop to be hot tanked, honed and new cam …

  7. LB7: - fuel rail pressure problems | DuramaxDiesels.com

    Feb 23, 2016 · Who cares right? It's a LB7 with 120k on stock sticks, that right there should be the biggest red flag of them all. Am I wrong for thinking this? It's hard to test, I'm thinking about …

  8. 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 …

  9. Are Cranks Interchangeable Between Years? - DuramaxDiesels.com

    Sep 1, 2014 · I know the reluctor wheels are different but are there any other differences between '01 and '10 that won't let you put an LB7 or LLY crank in an LBZ block without causing issues?

  10. LB7: - Fuel Pressure specification | DuramaxDiesels.com

    Oct 12, 2012 · Does anyone know what the fuel rail pressure should be at idle?