4621
Decoding/Numbers / Re: Help with verification 69 z28 ?
« on: April 23, 2009, 03:07:50 AM »
April 15th. It's not original to the car. If the casting # ends in 341, then it is a 70 axle - and probably is then stamped CBT.
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... the X33 and X77 codes on a Z/28 have nothing to do with the RS package - they just indicate whether the car had the Z-21 Style Trim Group (X33) or not (X77). The only way to verify an RS car is to dig for presence of all the "clues".But the original poster was correct. It's gotta be a X33 to be an RS. But John's point is an X33 doesn't prove an RS.