I didn't, done two now-left the cab/body bolted to the frame usign new mounts, doors fit just fine. Prolly depends on how much you are cuttin out. I used a MIG to weld up holes I drilled in the rockers to simulate the factry spot welds.


My \'64\'s in the Gallery
Pictures in my Photobucket
1964 C10 Custom Cab 350/700R4
1964 Suburban 350/700R4
1979 Ford F350 4x4 400/c6