Fuel Management Turbo B16 CRX??? HELP 15-18 psi

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Old Dec 23, 2004 | 07:58 PM
  #1  
The DX Rex's Avatar
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Default Fuel Management Turbo B16 CRX??? HELP 15-18 psi


basically this is my set up.

crx si 88
b16a2 engine
b16 JDM LSD Cable Tranny
forged low compression pistons, somewhere in the 8:1's
forged rods
block guard
310cc prelude injectors
walbro hi flow fuel pump

i will also have a vortech fmu, and a garret t3/t4 turbo, greddy type s bov, fmic etc.....

my question is what can i use for fuel management for going over 10 psi. i have heard that a VAFC is only good for tuning 10 psi but i wanna do around 15-18 psi, what can i use for fuel management on that? any suggestions like uberdata or turboedit????

are 310cc injectors too small?
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Old Dec 23, 2004 | 08:28 PM
  #2  
slowpokesi's Avatar
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Default Re: Fuel Management Turbo B16 CRX??? HELP 15-18 psi (nyhustla2k)

fmu is good up to about 8 psi,

i would never consider using the hack, it will advance your timing so much that your motor will be like a bomb waiting to blow.

As of right now there isnt a solid setup for turbo edit, there are ways to get it to work but the program doesnt support dohc vtec motors with boost.

So your alternatives are to either wait it out and see if they get it released (the have something in beta) or convert to obd1 and run uberdata.

To convert to obd 1 you will need
chipped p28
obd0-obd1 conversion harness
obd1 distributor
and bigger injectors
to run 18 psi im sure you will need a 3 bar map sensor!

Most shops that can tune hondata can also tune uberdata its just a matter of calling around and asking, if the wont tune it your going to need to add a wideband o2 to the mix and learn to tune on your own!

the last option is you can run a aem ems for the obd1 civic with a conversion harness and still use the obd0 distributor, according to aems support staff.
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Old Dec 23, 2004 | 09:02 PM
  #3  
The DX Rex's Avatar
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Default Re: Fuel Management Turbo B16 CRX??? HELP 15-18 psi (slowpokesi)

what about the MSD BTM, any good to have??????
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Old Dec 23, 2004 | 09:06 PM
  #4  
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Default Re: Fuel Management Turbo B16 CRX??? HELP 15-18 psi (nyhustla2k)

its okay to use if ur running with the fmu, but any ems will pretty much eliminate the need for it, so use that btm money and put it toward the upgrades above
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Old Dec 23, 2004 | 09:09 PM
  #5  
The DX Rex's Avatar
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Default Re: Fuel Management Turbo B16 CRX??? HELP 15-18 psi (slowpokesi)

well for i think i really wanna run 10-15 psi, would a VAFC, FMU and the MSD BTM be safe and reliable???
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Old Dec 24, 2004 | 07:37 AM
  #6  
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Default Re: Fuel Management Turbo B16 CRX??? HELP 15-18 psi (nyhustla2k)

no it wouldnt, and the cost of all 3 of those combined would be more expensive than running a real engine management solution! uberdata is free, run something that works
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Old Dec 24, 2004 | 08:15 AM
  #7  
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Default Re: Fuel Management Turbo B16 CRX??? HELP 15-18 psi (nyhustla2k)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nyhustla2k &raquo;</TD></TR><TR><TD CLASS="quote">well for i think i really wanna run 10-15 psi, would a VAFC, FMU and the MSD BTM be safe and reliable???</TD></TR></TABLE>That combo isn't easy to tune and the day to day tune will change.I've used a walbro 190,obd0 PR3 programmed for boost ,with a GM 3 bar and 450cc bluetops.The vafc is used for fine tuning.......Runs great,boosts to 17 psi no problem.OH and make sure the GM sensor can read vac.I bought one without looking at the box from MSD.
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Old Dec 24, 2004 | 08:56 AM
  #8  
YashiMotors's Avatar
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Default Re: Fuel Management Turbo B16 CRX??? HELP 15-18 psi (nyhustla2k)

Dude you need bigger injectors!! get ~ 450-550

310's are maxed out at around 6-8 Psi...with stock normal fuel pressure.
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