No spacer on either of the trucks I'm speaking of, pinion angle seems fine. I think trans mount spacers are neccessary if it is lowered considerably. Brian


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