Oct 30, 2022 #1 Donald Full Access Member Joined Jun 24, 2018 Posts 75 Reaction score 168 Location Loris SC. First Name Don Truck Year 1985 Truck Model GMC 1500 Engine Size 350 / 290 Has anyone tried a set of header for a 88-97 c10 350 on a 85 c10 350 ??? Attachments s-l1600.jpg 128.6 KB · Views: 53
Nov 8, 2022 #2 Tank6x2 Supporting Member Supporting Member Joined Mar 27, 2017 Posts 837 Reaction score 708 Location Edmonton Alberta Canada First Name Kurt Truck Year 79/86 Truck Model C30 Engine Size 350, TH400.4:10 gears 2WD Don’t the exhaust port pattern change slightly?