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So... do you wanna rev?

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  • So... do you wanna rev?

    I'm working on extending the limits of the $A1 code with the 7730. Base VE and PE tables will go to 9400 in 300 rpm steps. Anyone interested?

    Don't know if you guys have problems with the current setups for the 3.4 DOHC or not. I do know the DF code is limited to 7150(?) rpm, the tables are limited even more, to 6400.

    Will have wideband logging capabilities too...
    Okay now, that's enough of that.

  • #2
    YES! For the love of god yes!

    The First 3400 Powered J-body Sedan

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    • #3
      I'm curious as to why you would need the higher RPMs.
      If you are driving a Chevy, everything else, is just a blur. 3.4 Carbon Footprint.
      sigpic

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      • #4
        Originally posted by RednBlackCutlass
        I'm curious as to why you would need the higher RPMs.
        Well in my case, I'm running a northstar. Stock revlimit is 6700 rpm. I put new valve springs in, and I can rev to 7500 rpm on the stock bottom end. New rods and I'm to 8500 rpm. Having tables that end at 6400 would be a big problem when you're passing that by 2000 rpm.

        The code just passed it's first test today, the new base VE is updating past 6400. For some reason the PE AFR is not though, so more work to do there I guess...
        Okay now, that's enough of that.

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        • #5
          It now works perfectly. hehehehe...
          Okay now, that's enough of that.

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          • #6
            video?
            If you aren't friends with a liar, you aren't friends with anyone.

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            • #7
              I would love to give that code a shot. Not so much a need for the A1 code as the DF would though. Would it be possible to make a patch to change any chip to the new RPM limits? What about modifying the data entries to match what the old tables would have been?

              I don't mess with the execution code nor do I know assembly other than the basic concept from programming in college.
              Ben
              60DegreeV6.com
              WOT-Tech.com

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              • #8
                No vids, this was on the ECM test bench. My lowly engine can only get to 6700 until I tear into it.

                Originally posted by sappyse107
                I would love to give that code a shot. Not so much a need for the A1 code as the DF would though. Would it be possible to make a patch to change any chip to the new RPM limits? What about modifying the data entries to match what the old tables would have been?
                The old tables are untouched. I just added new tables that start at 6400rpm.

                I could do a patch, but it will only work for ONE BCC code. I could probably do the same thing for the DF... Is this a paid position?

                Oh, I should mention I had to kill the EGR. On the DF it might not be necessary if they have more RAM available...
                Okay now, that's enough of that.

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                • #9
                  Paid...haha sorry. Its not something I will profit on so not much chance I would pay to have it done. Heck, I really don't need it myself but it would be cool to have it available on the site here. Only 2 bcc codes with DF would be needed. BHAK and BCFA.
                  Ben
                  60DegreeV6.com
                  WOT-Tech.com

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                  • #10
                    Yeah, spending several weeks on something I'd never use to help out maybe one or two people doesn't sound like much fun.

                    The 5 speed DF'ers can use the A1 on the 9396 anyways... the auto probably wouldn't like being reved to the sky anyways.
                    Okay now, that's enough of that.

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