Thanks for the advice guys, keep it comin'! The 77 has a pretty heavy duty flatbed on it that is set up for welding(tank storage, etc). I will use that until I figure out a longbed set-up. What have you guys done to compensate for the added length? I dont have the skills to shorten the frame so that...

Thanks everybody for the quick responses! The clutch pedal setup is my biggest obstacle but i plan on parking the truck for a good while anyways while doing the switchover. The 390 is already in the 77. It was done by the previous owner who swapped out the original 351m. I need to replace the driver...

I know this has probably been discussed many times but I can't find it in the archives. Here it is, I have a daily driver 66 shortbed stepside 2wd f100. I also have a complete donor rig which is a 77 f250 4x4 with a 64 390fe, heavy duty dana 44 front, dana 60 rear, np205, np435, power steering, disc...