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[CheemsK1500]

Hi, Gary from NJ here, I’ve been slowly restoring/ modifying my 76 Chevy C20 long bed step side former farm truck, I need to replace the doors, it seems starting in 1977, they were redesigned to accommodate power windows and had more door panel choices as well, and are actually cheaper, does anyone know of any fitment issues?

As long as you keep everything in the year 1977, you should be good. In 1978, the inner door skin changes. You can buy replacement door skins, and weld them in place to use different style panels, but for your application, I'd just use '77 panels, or modify your '76 ones.

 

[CheemsK1500]

I'd also suggest trying to rebuild your vent windows, before trying to retro-fit one-piece glass. The one piece glass looks neat, but you're in a bind if you break anything that is proprietary to it.

 

[Memaloose]

Sounds interesting on your project, what's the drivetrain? Welcome!