just picked up a 79 20r 4x4 cheap. knowing the frame was rusty, but didnt think it was this bad. didnt even have it home 2 hours and snapped the frame in half at the back of the cab, no crap(ohio weather will do that to a 27 year old truck i guess). well, i was wondering if anyone out there has ever scratch built a frame for one of these things. i would hate to think what someone would want for an aftermarket frame( ive seen jeep frames$$$). i have built custom frames before and this does not look that hard. was thinking 2x4 square tube for the front up to behind the front wheel, then to 2x5 up to the rear wheel and the back to 2x4 tube to the rear bumper. cross members accordingly of course. spring mounts and engine mounts look simple enough. i will use 3/16 thick tubing throughout with stiffeners where i feel needed. anyone done this? any thoughts or advice?? thanks.