Your car is probably a mismatch of parts from various years at this point. You should go back to Pep Boys and have them bring out a pump and then go out and compare it. Keep jumping around several years at a time, you should be able to find out what's on the car now and replace it.
__________________
69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
|