what are all the acronyms meanings? ws6, lt1, lg4 and others. I can't be the only one with these questions.
IROCZTWENTYGR8
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They are option codes. L98 is the 350 TPI, LB9 is the 305 TPI, B4Z is the 85-87 IROC-Z option code, WS6 is the Firebird performance suspension option, and so on. All you have to do is go to the TGO RPO Decoder on the main page or do a Search to find out most of your questions. 



