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**78 Big10 454** · 06-09-2009, 01:24 AM

Mini, my 78 C-10 had factory cat, yet my cousin's 77 C-10 didn't. I believe 78 was the first year of cats on a half-ton truck.

06-09-2009, 01:24 AM	#10
78 Big10 454 78 Big10 454 Join Date: Jul 2008 Location: Pismo Beach, CA Posts: 842	Re: Question about cats and arizona. Mini, my 78 C-10 had factory cat, yet my cousin's 77 C-10 didn't. I believe 78 was the first year of cats on a half-ton truck.