Join Date: Jan 2015
Location: Injun Territory, 'Merica!
Mentioned: 0 Post(s)
Tagged: 1 Thread(s)
Quoted: 121 Post(s)
The '67-70 Pontiac V8 PS pump is composed of the pump, itself, the stamped steel housing, aka "can", the control valve that screws in the back, & the pulley, of which there are two, the "900" & "901".
There were several different versions of the original Pontiac V8 pumps, the original '67+ B series pump has a differently bent return line pipe than the original '67-69 A-F series & 69-70 GP pump. The first performance oriented Firebirds with variable ratio steering (think '69 400HO as well as 69 T/A's) had a different valve in the back that was tuned to the '69 "T/A" specific steering box. '70 1/2 Firebirds & 70 1/2 T/A's while having the same shaped pump can, had their own specific valving & used their own specific brackets & pulleys. Have always saved original '67-70 Pontiac V8 pump cores, as well as '71+ Pontiac V8 pump cores, eventually disassembling, vatting the cans, glass beading, metal working the cans, metal conditioning, priming & painting, then reassembling with a seal kit. Mass rebuilders like Cardone don't take it that far, so ordering a rebuilt pump over the parts counter or over the Internet, it's doubtful the pump hsg has the correct return line & many mass rebuilt pumps are dented up. On early GM A-body's that have changed over to the Jeep Grand Cherokee PS box, you want to change out the control valve to one from the late '70's. Hope this answers your questions.