On my 1972 C50, I bought a rebuilt HydroVac unit from Reman,Inc worked great. I'm pretty sure your truck has an under floor master cylinder, if so it MAY NOT have enough volume to operate a HydroVac. I don't know what they require for volume. Also, if you don't have prior experience with bleeding HydroVacs, you should consult a manual for specific instructions. When properly done and bled, they will lock up all six tires if you want. Good luck!
Last edited by Shacklett; 06/19/2020 10:16 AM. Reason: correction
