Quote:
Originally Posted by layinrocker65
The early LS truck motors were return style with a 58psi regulator at the rail.
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I have no experience with the Chevy LS stuff. This is my first. I'm a 30 year Ford guy, so I only have feedback online to work with. You say the return style non-flex is 58PSI and this guy on Bad Luck says only the returnless hit that high.
When I disconnect the vacuum line, I get 54PSI at idle. This should be close enough to resolve the issue, but it still idles very low until the computer bumps up to fast idle after 20-30 seconds. Maybe that's an issue with computer needing to learn? Don't know.