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Thread: Tuning the 4.3 for Vegas

  1. #1
    fred 4 pt 3 Guest

    Tuning the 4.3 for Vegas

    So this week I am exploring how much timing I can put into the WOT curve with 100 octane gas and 10% od. What do y'all think ??

  2. #2
    Michael Hoddy Guest

    Re: Tuning the 4.3 for Vegas


    Fred,

    You're running a CMRE Stage II, right? Have you (or CMRE) dyno'ed yet?

    By the way, I'm really jealous. Just today, I was trying to talk my wife into the ~$6200 for a CMRE Stage I if ye olde stock motor ever needs to come out. Not likely, she said. We'll see, I said.

  3. #3
    fred 4 pt 3 Guest

    Re: Tuning the 4.3 for Vegas


    cmre stage 2 heads on top of custom 4.3 block, cam and pistons.

    472 hp at 5300, >460 from 4600 to 5600
    566 lb-ft at 3600
    24.9 mpg at 80 mph

  4. #4
    Michael Hoddy Guest

    Re: Tuning the 4.3 for Vegas


    And you did all the mods for the increased fuel economy, so as to be more environmentally friendly, right? Maybe I could sell my wife on more engine mods that way...

  5. #5
    fred 4 pt 3 Guest

    Hoddy, your so sick that


    it's appropriate

  6. #6
    Andy 94Sc Guest

    Re: Tuning the 4.3 for Vegas


    Fred,
    I don't feel that I can honestly vote without first hand experience, therefore I need you to drop by and swap the Blues Z for my red FrankenSCtien for a week or so.

    Shall I expect you by Christams time?

  7. #7
    fred 4 pt 3 Guest

    Blue Ballz, definitely.


    So far, 34 max, but it's in late, and I'm gobbling fuel (this will have to be a track-only tune up). The z-rated Remingtons are doing a lot better at grip than the Comp TA's and seem to do better on ice, too. They were much cheaper, too. How about that ? Probably only last 30K miles . . .

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