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Hi Guys I was hoping some one could answer this question for me. I was told that I should install an adjustable fuel pressure regulator on my car and I have but the old one was a vacume advance so the more boost that was pushed the more fuel would go into the engine. but the adjustable regulator you have to set . my question is I would think that if I set the pressure to a correct setting for full boost would cause the car to run rich at idle, and if it is set for an idle pressure I would ping under boost is this correct?
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your new FPR did does not have a vacume port on it ???Eric C
SVOCA Webmaster -
no it looks just like the stock pressure regulator but on the top instead of a vacume tube it has a screw.Comment
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you really need both -- a adjustment, and a vacume port..
to run a turbo car -- you need to add 1 psi fuel per 1 psi boost -- without a vacume port, there is no way to do that!!
I got a kirban FPR from SVPU.. it has both.
who makes the FPR that you have?Eric C
SVOCA WebmasterComment
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On some ADJ Reg's the screw doubles as the vac port.
Like the Crane unit.
If it is a Crane unit, return it.......it will leak on you.
" Motorsport really has no need for a group like ours, but we will endeavor to serve regardless." - PRDAComment
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