WORTH MY TIME TO LOOK

RammerJammer75 said

What's the difference in the frame from a '70 to a '77 though? I would think they have quite a bit of difference.

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that I don't know for sure. I've seen where the frames had to be cut and modified to fit under pre-71 era trucks. Especially the 2wd frames. Mostly because the pre-71s were still straight axle 2wds, at least until 66/67 if i recall right.