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dsraven · 01-20-2016, 06:05 PM

the 55 second series, up to and including 57, are the same frame. the 58 and 59 are longer out front but the same from the spring hangers back. the front sheet metal is a bit longer on the 4 eyed trucks and they also have a filler between the front bumper and the grill area. the 55-59 trucks are called task force (that is why they get dubbed TF on forums) and the earlier trucks, 47-55 first series are called advanced design (AD for short). the earlier trucks differred between chev and gmc with front end sheet metal and also engine mounts and front crossmembers but the TF's were the same between brands except for the dash. chevy has that cool superman speedo.

01-20-2016, 06:05 PM	#17
dsraven Registered User Join Date: Nov 2010 Location: calgary alberta Posts: 8,499	Re: 58 Frame Repair the 55 second series, up to and including 57, are the same frame. the 58 and 59 are longer out front but the same from the spring hangers back. the front sheet metal is a bit longer on the 4 eyed trucks and they also have a filler between the front bumper and the grill area. the 55-59 trucks are called task force (that is why they get dubbed TF on forums) and the earlier trucks, 47-55 first series are called advanced design (AD for short). the earlier trucks differred between chev and gmc with front end sheet metal and also engine mounts and front crossmembers but the TF's were the same between brands except for the dash. chevy has that cool superman speedo.