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VAFC Hack or FMU and Inline pump

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Old Nov 12, 2004 | 06:44 AM
  #1  
batboy1720's Avatar
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Default VAFC Hack or FMU and Inline pump

I have a 01 Prelude and just purchased a Rev Hard Turbo kit and plan to run stock boost. I've searched and read the 44 pages of the official prelude turbo thread,
but still can't decide on what is more reliable. The situation I’m in is like all of you guys know it comes with a FMU 12:1 and Inline fuel pump. The tuner I'm going with recommended to ditch the FMU and Inline fuel pump and go with VAFC hack. I do have a VAFC in my car right now, so that’s already there for me. The only thing I would have to buy is injectors and resistors right? The reason why he recommended ditching the FMU and Inline fuel pump is that. My car will run more psi of fuel in my for example 140 psi with FMU vs. VAFC hack 40-50psi stock and the more psi fuel going through my car the more chances something will happen. I know that these fuel management techniques aren’t really recommended, but I plan in the future to run Hondata.Which Fuel management would you go with for the time being and what injectors would you get if VAFC hack is your recommendation. The tuner recommended 450 DSM Blue tops is he right? Sorry for making this long and cheers in advance.

Please pick the following options and why you choose that option
Option A: FMU and inline fuel pump
Option B: VAFC Hack
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Old Nov 12, 2004 | 07:08 AM
  #2  
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if it was my car i would choose to wait until i had the hondata before isntalling the turbo kit.
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Old Nov 12, 2004 | 07:31 AM
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Default Re: (v4lu3s)

Yeah i've been delaying for a month now to install the turbo kit, but you know when you get something that good you just want to slap that thing on. I've been debating about waiting, but it's to tempting not to I will most likely put it on and just save my money for hondata while it's on.


Modified by batboy1720 at 5:03 PM 11/12/2004
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Old Nov 12, 2004 | 09:38 AM
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look at it this way, would u rahter wait a bit longer to get hondata and have a great running car? or would u rather slap it on now, rig the hell out of it to work, and then end up blowing you engine, then waiting months on end to have it rebuilt?
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Old Nov 12, 2004 | 09:48 AM
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Default Re: (Eddiebx)

whats wrong with a properly tuned piggyback solution.
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Old Nov 12, 2004 | 10:47 AM
  #6  
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Default Re: (TraKtioN)

If you're going hondata in a few months, then just spend 50 dollars to get some dsm injectors and run your turbo. Big deal, you just have to get it tuned though and that = money
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Old Nov 12, 2004 | 11:37 AM
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Default Re: (TraKtioN)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TraKtioN &raquo;</TD></TR><TR><TD CLASS="quote">whats wrong with a properly tuned piggyback solution.</TD></TR></TABLE>

you call the afc hack a properly tuned solution?
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Old Nov 12, 2004 | 01:30 PM
  #8  
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Default Re: (Eddiebx)

http://www.efitunningforless.com ordered my base map from there and am very happy with it. They can chip A Civic P28 ECU for uberdata for cheap. you'll have to convert to OBD1 though.. (if your not already)

oh yeah.. VAFC's suck. i blows me away that people still use those junk boxes, honestly..
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Old Nov 13, 2004 | 08:52 AM
  #9  
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Default Re: (Eddiebx)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Eddiebx &raquo;</TD></TR><TR><TD CLASS="quote">

you call the afc hack a properly tuned solution?</TD></TR></TABLE>

Yes. It is not close to the BEST solution, but it is a solution that can and has worked well on many Hondas.

IMO, I would go with some DSM 450's and a VAFC.
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Old Nov 15, 2004 | 07:05 AM
  #10  
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Default Re: (LudeyKrus)

Thanks guys for your inputs, it looks like there's a big debate over if VAFC hack is a properly tuned solution. I guess the FMU and inline pump is out of the solution in using it in the mean time. So VAFC hack it is untill i get hondata.
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