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**davischevy** · 01-04-2014, 12:02 AM

Any body know what the "4T" on the Sierra Grande firewall stands for? My Cheyenne Super has the same 4T.

01-04-2014, 12:02 AM	#36
davischevy Senior Member Join Date: Sep 2008 Location: Harrison, Arkansas Posts: 9,795	Re: factory grease pencil marks? Any body know what the "4T" on the Sierra Grande firewall stands for? My Cheyenne Super has the same 4T.