[Funky61]

Here are some links related to Hydroboost conversion. You should probably use the pump and bracket that goes with the hydro unit and modify the bracket to fit. Since you have the pulleys looks like your almost there.

http://67-72chevytrucks.com/vboard/s...d.php?t=347480
http://67-72chevytrucks.com/vboard/s...d.php?t=523502


For overdrive I have the NP440 MY6 used in mid 80's GMC/Chvy trucks. I just applied the ideas in the Classic Trucks article.

http://www.classicjunkyard.com/new_process_a833.htm
http://www.customclassictrucks.com/t...n/viewall.html