The 1989 Chevrolet 350 TBI (Throttle Body Injection) typically operates with a fuel pressure of around 9 to 13 psi. This pressure is crucial for the proper functioning of the fuel injection system, ensuring that the engine receives the right amount of fuel for optimal performance. It's important to check the pressure with a gauge to ensure the system is operating within the specified range.
9 to 13 psi is factory
15 psi
No the fuel pressures are different 95 wasw about 10 psi 1998 is 60 psi . u need 2 change fuel pump
60~66 PSI
If it has a carburetor, 7 psi should work well.
fuel pressure should be 14 lbs
41 to 47 psi.
All fuel pumps have different kinds of fuel pressure that they pump. You need a electric fuel pump that makes no lees the 7 PSI and no more then 9 PSI are it will blow pass the needle and seat. Therefore it will FLOOD all the time.
9 to 13 LBS ( PSI )
35 or 39 PSI
9 to 13 psi.
47 to 60 PSI!