Have you ever wondered why the doors got heavier?

MoparMike1974 said

I think that started in 73. You should pick up a 73-4 challenger or cuda door. They are brutal.

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Ha! You ain't lived till you've replaced door hinges on a 1973 Cadillac Coupe Deville. LAWD hammercy. I am glad we had a floor jack with a door holding tool on it. Those things weighed a TON.