Thread: Wife's 48
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Old 09-21-2017, 12:06 PM   #13
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Join Date: Aug 2012
Location: Northeast KS
Posts: 1,357
Re: Wife's 48

Originally Posted by 8man View Post

Another of many "not so inspired questions" - What does it mean when you refer to these trucks as AD?
Advanced Design. Name given by GM to the platform. Next round was TF, Task Force.
2007 GMC Sierra Classic Vortec Max CC 6.0L/4L70E
1991 Z/28, 6.0L/T56
1949 GMC 250, S10 Frame, 6.0L/4L80E
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