do these fuel pressures look right?

[nameiztaken]

91 x, 4.0 ohv. Has a pinging issue well discussed on another thread, please don’t suggest seafoam or maf cleaner, lol.

Anyway, do these fuel pressures seem about right? It does have a new fuel filter, the regulator and pump should be original with 135,000 miles on them. Pressures do hold after car is shut down.

Video of gauge while driving:

WITH REGULATOR PLUGGED IN AT IDLE:

WITH REGULATOR VAC LINE UNPLUGGED AT IDLE:

 

[Rick]

Check this thread:

how much fuel pressure?

I've been chasing a intermitant miss so I started by changing my plugs which were white from a lean condition so I changed the fuel filter and ran some seafoam through the tank then checked fuel pressure I get 30 psi with key on engine off then 20 psi at idle and somthing like 30 when I hit the...

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