Greddy Profec B Spec 2, PSI display... extremely inaccurate
#1
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Greddy Profec B Spec 2, PSI display... extremely inaccurate
So I've been using my profec b for the last year and I have it set to display in PSI. I never really paid attention to it because I have a boost gauge infront of me and my controller hidden. I have always noticed that the profec displays the current PSI on the display inaccurately.
Is it just my unit or has others experiance this too? For example, my boost gauge would read 10psi but my profec would display 19psi. My gauge would read vaccum at -20/30 at idle but my profec would display -80. I have everything routed correctly plus I am using the supplied hoses. Nothing is kinked and everything works fine. Am I reading it wrong, is it not real PSI but I still have to multiply it or something? Inputs please...
Is it just my unit or has others experiance this too? For example, my boost gauge would read 10psi but my profec would display 19psi. My gauge would read vaccum at -20/30 at idle but my profec would display -80. I have everything routed correctly plus I am using the supplied hoses. Nothing is kinked and everything works fine. Am I reading it wrong, is it not real PSI but I still have to multiply it or something? Inputs please...
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Re: (mrbsponge)
I have sold 100s of these, Most we've tuned. I havn't seen any issues with these, They have all been on the money compared to logging with Hondata and other gauges.
#4
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Re: (CRVRX)
it reads in a different increment of vacuum i do believe. Ive never had issues with it reading boost improper except for when you let off after a pull, it will usually show 1 psi higher than it actually made, like it catches a slight peak or something.
Modified by SPOOLINmatt at 11:20 AM 4/24/2007
Modified by SPOOLINmatt at 11:20 AM 4/24/2007
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