2500HD 6.0 LQ4 to LQ9 Conversion
#1
Hey guys new member, awesome board. Got a 2001 Silverado 2500HD 6.0 LQ4, got oil issues, failing leak down test. Instead of rebuild, GM Performance has new LQ9's. Will every thing match up, especially ECU and electronics? Any issues I should address before this is attempted. Will be bolted to a freshly rebuilt and upgraded 4L80E. Will it cause any DTC's? Any info greatly appreciated. Also if anyone has a fresh LQ9 for sale, let me know.
#2
TECH Resident
Joined: Mar 2005
Posts: 943
Likes: 0
From: Texas
Originally Posted by Rookie8
Hey guys new member, awesome board. Got a 2001 Silverado 2500HD 6.0 LQ4, got oil issues, failing leak down test. Instead of rebuild, GM Performance has new LQ9's. Will every thing match up, especially ECU and electronics? Any issues I should address before this is attempted. Will be bolted to a freshly rebuilt and upgraded 4L80E. Will it cause any DTC's? Any info greatly appreciated. Also if anyone has a fresh LQ9 for sale, let me know.
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Alvin@PCMofNC
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Sep 3, 2015 06:38 AM
2001, 2005, 2006, 2500hd, 60, computer, conversion, leak, lq4, lq9, oil, performance, remanufactured, reprogram, test




