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    Results 1 to 8 of 8
    1. #1
      Join Date
      Nov 2008
      Location
      MD
      Posts
      262

      Which DFI to use?

      I have an Olds 455 that has been converted to EFI with Accel injectors and an Accel TPI style throttle body. Car is for street/strip but I dont plan to race alot so I dont need something with all the bells and whistles. What would be a good DFI system to use to control the fuel and timing? Anything to avoid?



    2. #2
      Join Date
      Dec 2006
      Location
      Los Angeles
      Posts
      334
      Megasquirt
      Current: 2010 CTS-V
      Sold: '65 Pontiac, '08 TBSS

    3. #3
      Join Date
      Jun 2005
      Posts
      467
      Holley 950 Pro w/wideband. Available w/harness for a reasonable price, lots of support in the EFI forum at ChevyTalk.com.
      Summit has best price.

      Jim
      Don't take a knife to a gunfight.

      Half-Assed = Half-Fast

    4. #4
      Join Date
      Sep 2004
      Location
      Kettering, OH
      Posts
      537
      I would get something that has good local support. The megasquirt board is very active so you might find a neighbor there. The Holley is good too. I think their instructions are worth reading even if you don't buy their unit.

      I'm running Accel Gen7
      1967 Firebird Convert, Fuel Injected 462 ci, TKO 600
      http://1967firebird.atwebpages.com

    5. #5
      Join Date
      Mar 2009
      Location
      Kansas City area
      Posts
      365
      AEM on my 6.1 hemi

    6. #6
      Join Date
      Aug 2006
      Location
      Houston, TX
      Posts
      103

      I had the FAST system on a previous car and loved it, now I'm running an Accel Gen 7+. I'd recommend either system in a heartbeat. Also heard very good things about BigStuff3 units, but I don't have any first hand experience with them.

    7. #7
      Join Date
      Sep 2006
      Location
      Southern Indiana
      Posts
      4,709
      Country Flag: United States
      For the cash you just cant beat the open source of the Megasquirt.
      And its so adaptable to different parts.
      AND if you build the kit form you learn how to build and test it and fix it breaks. If your unable to do it then you local electronics techs can fix it. OH and you use simple laptop/net book to program it and the stimulator lets you test its operation.
      FAST and Big Stuff work they are super expensive versus the Megasquirt II and as the GPIO board comes out trans control will be able to do also as the newer version has a CAN chip.

    8. #8
      Join Date
      Dec 2004
      Posts
      203
      I am also using Holley commander 950, easy to use, good instructions, very good support. Lots of good tunes you can download so you are pretty close right out of the box. I'm also running wide band O2.

      Good luck,
      Paul




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