Tranny's in NNBS
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Tranny's in NNBS
I thought it was the 4L60 but have read in a few spots that they have the 4L65's in them anyone that is positive and knows for a fact on this?
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Here is a link to GM Powertrain Media. You can search by year model. According to this, there is no 4L65 in any of the trucks. 4L60/4L70 & up.
http://media.gm.com/us/powertrain/en...09/09truck.htm
http://media.gm.com/us/powertrain/en...09/09truck.htm