Hard to reach rust quarter panel

my quarter panel got a lot of rust inside which i can’t really get into. Thinking about the 74 charger 2 door which is 115 on wheelbase that pretty close to my dart’s 111 wheelbase. I saw they have pretty similar engine bay cabin looks similar too i know the k bodies on on both a and b bodies can interchange

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I was thinking full blown changing the dart to a charger

So, lemme get this straight.

Instead of doing a fairly straightforward quarter panel repair/replacement on a ‘74 Dart, you’re going to rebody a ‘74 Charger onto a ‘74 Dart. You know, taking care of a 4” differential in wheelbase, a few inch difference in width, and oh right, literally none of the structural components being in the same place between two unibodies.

This has to be a joke.

If you had the skill to “change the dart into a charger” you could just replace the quarter panels and be done.

Hell if you have enough of a ‘74 Charger body to do that, just drive it instead.

Troll on.