losing boost psi from some where need ideas?
05-19-2009, 02:30 AM
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losing boost psi from some where need ideas? OK have a F1C with 4.75 pulley at 5k rpms 10 psi 6k rpms 14 psi I just put a smaller pulley on 4.5 at around 5k 10 psi at 5600rpms started jumping around 10 ish then saw lower 9 maybe a 8 psi,
Where or what could cause the digital boost gauge to show a lower psi with it being jumpy ?
Where or what could cause the digital boost gauge to show a lower psi with it being jumpy ?
