I prefer to do the floor pans and rockers with the cab on the frame. I think it helps keep the cab square. We also only do one side at a time.
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62 C/10 SWB. Currently in ground up resto. Big back window cab, V8, auto. My wife's grandfather's truck.
1965 Mustang Vert - Shelby Clone
2005 Dodge SRT-10
My Old 72 SWB