03-05-2021, 10:58 PM

Half-Inch Stud Half-Inch Stud is offline

Ultimate Warrior

Join Date: Jul 2000

Location: BlueBell, PA or AL U.S.A.

Posts: 18,480

Well, all the 68-70 Pumps are the same Pump, unless i dreamt this, i have seen 3 different regulator inserts:

Big Car got 1600 psi
GTO got 1400? psi
Firebird got 1200 psi.

Surely i put the high pressure regulator in my birds, and probably the GTOs.

Have no experience with GM pump squeals. Thought only Fords did that.
The light wheel feel has been great, no belt squeals with the toothed V-belts.

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