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Boost reference FPR base pressure

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Old 03-17-2009, 07:09 PM
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Default Boost reference FPR base pressure

What is everyone's suggested base pressure? Right now, I have mine set at the stock pressure, 58 psi.

I'm in the beginning stages of tuning, I'm thinking that I may be screwin myself. Just want to make sure that I'll be alright if I decide to run any decent amount of boost.
Old 03-17-2009, 08:22 PM
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Im far from a tuner and my fuel system may be way different but my rail pressure is set at 50 psi at Idle. I run a twin intank seprate feed setup.
Old 03-17-2009, 11:02 PM
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59psi. Dual in-tank Walbros with a return system.
Old 03-17-2009, 11:05 PM
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39#with 96#injectors
Old 03-18-2009, 06:52 AM
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Mine is apx 40lbs also with 96lb injectors and dual bosch 420L pumps
Old 03-18-2009, 07:18 AM
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30 psi base with triple 255 Walbro pumps and 160 injectors.
Old 03-18-2009, 06:43 PM
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Originally Posted by DarkFormula
59psi. Dual in-tank Walbros with a return system.
What kind of boost are you running and what pressures do you see in boost?
Old 03-18-2009, 07:35 PM
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i run a 60 base. twin walbros, 60lbs injectors.
Old 03-19-2009, 01:13 AM
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58 base at 0 vacuum/boost (i.e. fpr vacuum line not hooked up), lonnies twin setup, 60lbs injectors return system

Last edited by mterveen; 03-19-2009 at 12:08 PM. Reason: referenced to 0 vacuum/boost
Old 03-19-2009, 09:40 AM
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Originally Posted by 98Camarod
What kind of boost are you running and what pressures do you see in boost?
60-63ish on 14 psi 18 psi its 65 afr 10:7
Old 03-19-2009, 10:32 AM
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mine is set to 58psi at 0 vac/boost with 60# injectors and dual intank 255 walbros. -8 feed and -6 return..
Old 03-19-2009, 12:00 PM
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58psi. Are you guys referencing with vacuum and boost or boost only???
Old 03-19-2009, 12:08 PM
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im setting with no line on the reg. then let it go where it wants
Old 03-19-2009, 12:56 PM
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58psi at idle with 60#s and a single 255lph in tank.
Old 03-19-2009, 11:01 PM
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40 base with a 1:1 regulator and 96# injectors
Old 03-20-2009, 09:16 AM
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Use whatever pressure is required, and your system is capable of handling.
Old 03-20-2009, 09:22 AM
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~60 base+boost referenced.60# injectors.
Old 03-20-2009, 03:53 PM
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Originally Posted by ddnspider
~60 base+boost referenced.60# injectors.
What does your fueling consist of?
Old 03-20-2009, 04:19 PM
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Originally Posted by 98Camarod
What does your fueling consist of?
.5 inch hardline/8an feed using stock feed as return,speed inc rails,dual intank pumps



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