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Thread: 2 Questions?

  1. #1
    Inactive Member GreenGSR311's Avatar
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    1. I am running the VAFC hack with dsm 450 injectors. Should I get rid of my cartech FMU?

    2. Would getting the JR Map Mod really benefit me? I have heard that it doesn't work well with 450s, but I would like to know for sure. I seem to be having some problem with tip-in det I believe.

    Almost forgot:
    GSR @ 8psi
    Upgraded fuel pump
    Water injection
    VAFC dyno tuned
    DSM Injectors
    Cartech FMU
    All the other basic boltons

    Thanks!

    <font color="#a62a2a" size="1">[ February 21, 2004 02:42 AM: Message edited by: GreenGSR311 ]</font>

  2. #2
    Inactive Member i2un's Avatar
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    Well since the VAFC doesn't change your timing, I'd think that is the potential problem.

    What is your timing set at?

  3. #3
    Inactive Member i2un's Avatar
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    Also the whole purpose of the hack is to run large injectors and due away with things like the fmu.

    If your VAFC was tuned with the cartech still installed and you later remove it, you'd need to retune because the percentage of fuel being added/subtracted would drastically change.

  4. #4
    Inactive Member GreenGSR311's Avatar
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    Originally posted by i2un:
    Well since the VAFC doesn't change your timing, I'd think that is the potential problem.

    What is your timing set at?
    <font size="2" face="Verdana, Helvetica, sans-serif">My timing is set at 14.

  5. #5
    Inactive Member GreenGSR311's Avatar
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    Originally posted by i2un:
    Also the whole purpose of the hack is to run large injectors and due away with things like the fmu.

    If your VAFC was tuned with the cartech still installed and you later remove it, you'd need to retune because the percentage of fuel being added/subtracted would drastically change.
    <font size="2" face="Verdana, Helvetica, sans-serif">I just wanted to make sure, and retuning is not a problem.

  6. #6
    Inactive Member GreenGSR311's Avatar
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    What about the JR Map Mod? Is it worth spending the money on with my setup or is it a waste of money?

  7. #7
    Inactive Member gsrteggie's Avatar
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    In higher boost, the map mod is not as effective as 6psi (from what I heard here), IMO it can still help solve some tip-in. They are very cheap on ebay if you watch, it couldnt hurt....


    I would look at doing a hondata system since you already have the injectors.

    And no, you do not need your FMU running 450's.

  8. #8
    Inactive Member daboynblu's Avatar
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    pretty good deal on one...

    Here, mine on ebay

    sorry, shameless plug, i know. [img]redface.gif[/img]

  9. #9
    Inactive Member GreenGSR311's Avatar
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    If I find a good deal on a JR Map Mod then I will probably pick it up. I'm getting rid of the FMU then.

    The only reason I haven't gone with a Hondata system is because it is out of my price range right now since I have an OBDII ecu. There seem to be quite a few extra costs involved on top of the system. Maybe next winter, we will see.

  10. #10
    Inactive Member i2un's Avatar
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    S200 with boost + Hondata chipped Ecu cost me $800 shipped and I'm Obd2a. I already had the injectors.

    You'd still need to set aside money for tuning though [img]frown.gif[/img]

    If I were you I'd retard the timing a bit and see if that solves your problem, before I bought the map mod. Unless you find a deal that you just can't pass up.

    <font color="#a62a2a" size="1">[ February 22, 2004 12:24 AM: Message edited by: i2un ]</font>

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