RPO LB7 (engine code "1") was first introduced in 2001 and continued until early-2004. It is a 32-valve design with high-pressure common-rail direct injection and an experimental composite design cylinder head.
SEE LB7 PRODUCTS BELOW
There are two VIN codes for the LBZ. The first is VIN 2. While it is the LBZ it has LLY tune tables.
Second is VIN D. This was introduced in late 2005 and continued into 2007 sold only in the...More Details »
The LLY (engine code "2") 402.7 cu in. turbocharged engine which debuted 2004.5 until the end of 2005. It is a 32-valve design with common-rail direct injection and aluminum cylinder heads. The...More Details »
Description: 2001-2010 Duramax 6.6L LB7 LLY LBZ LMM PPE Economy Xcelerator Tuner 111010000
40HP/97ft-lb. 90HP/160ft-lb. 120HP/200ft-lb. tune levels
Get the most out of your diesel with the PPE Economy...More Details »
Item #: HD30425
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