Can someone explain the difference between the 3100, 3600, 3800 etc...? I thought a 3100 had to be a 1/2 ton and a 3800 a 3/4 ton but now I'm confused. Help me out here. Thanks.


1953 Chevy 1/2-Ton 3100 5-Window
1937 Chevy 1/2-Ton
1970 Chevelle