Randy, you can frankestein it, i was going to do so initially, gm master cylinder p# 84397946 bolt that to a hydroboost unit made for the 1/2ton trucks. (Its just a booster, and im sure other companies make them but wilwood sells the 10# residual check valves you put on on each line, it has the correct bore size and mountimg pattern for the standard gm master cylinder 2 bolt attaching but with our needed 1.5" bore for fluid volume and the hydroboost is a much better brake booster than the stock hydrovac, i believe you can get that from western chassis p# HBKX-T5559. Goodluck! If they start producing the ranger overdrive again ill be selling my c4500 so i dont have to do a chassis swap on my viking. Cause i would prefer to keep mine since i just dropped 2k into it.
