07 NNBS 4.8 help
#2
TECH Apprentice
There should be some info here. I think the 4.8 is the same as the 5.3 with 58x ignition, etc. I'd download the files for Gen IV 4.8 for future reference.
http://media.gm.com/us/powertrain/en...RTEC48LGENIVV8
http://media.gm.com/us/powertrain/en...RTEC48LGENIVV8
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