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Cyrperformance
March 18th, 2014, 12:50 PM
Is there any one that owns a 2008-2010 LMM truck with DSP5 that is running a 4L80E or 4L85E. I researched and found that these trucks had the Allison as an option. If so can you provide the OS number for the ECM?
anarchydiesel
March 18th, 2014, 01:32 PM
No trucks ever came with the 4l autos. Just the vans.
Cyrperformance
March 18th, 2014, 01:34 PM
Just a question but why would there be torque converters, BCM's, an array of parts available for Silverado with 6.6L Diesel and 4L trans uually listed as 4L80E?
ScarabEpic22
March 18th, 2014, 01:43 PM
Just a question but why would there be torque converters, BCM's, an array of parts available for Silverado with 6.6L Diesel and 4L trans uually listed as 4L80E?

Sounds like that website/vendor is misinformed or these are for a Savanna van instead of a Silverado.