For a naturally aspirated combination, you'll want to shoot for 38-42psi at idle with the vacuum reverence line disconnected. I generally find that most cars respond well to 38-39psi.
Answered by Jonathan M. from Hewitt | Comment 0 0
You may not be able to install the unit without removing the upper intake. You can install a guage connection without removing anything from the motor. That is needed because you need to adjust this with the motor running.
Answered by Chris C. from Brownstown | Comment 1 0
Ford Mustang - 1986 (86) - 1987 (87) - 1988 (88) - 1989 (89) - 1990 (90) - 1991 (91) - 1992 (92) - 1993 (93)