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  • #1

    1st gear mph spark limiter?

    Browsing hptuners mainly at.

    EDIT>ENGINE>SPARKADVANCE

    I noticed the spark limiter, has a setting for 5975.


    but then I also noticed a table for Spark Limiter MPH vs. Gear.

    I see that it has 1st gear listed at 35 mph.

    then the rest of the values are at 140 for each other gear.


    My question is I noticed that it seems like the rev limiter kicks in quicker in 1st gear then othe r gears, I assume that maybe it was just bad tach lag. Is it possible that its just kicking in at 35 mph?

    Or is this something that just doesn't affect me because I have a 5-speed and I am barking up a tree.


    When I get time later I'll fool around logging and see what happens.
    -Eric<br /><a href=\"http://www.cardomain.com/id/mustangeater82\" target=\"_blank\">2000 NBM V6 Camaro 5-speed</a> T-top <i>converted</i><br /><b>14.467@95.45mph</b> <i>$0 in mods</i><br /><i>The member formerly known as MustangEater8251</i>
    Tags: None
  • #2
    from what i understsand it limits the spark to whataever itis set to ie 10* after it hits those markers
    00 GTP<br />98 Camaro v6<br />See, told ya I\'d be rockin another 4th gen :D<br />V6 & V8 tuning available at <a href=\"http://mysite.verizon.net/whenn1/\" target=\"_blank\">http://mysite.verizon.net/whenn1/</a>

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    • #3
      I raised that limiter to 45. Give it a try.
      2001 Firebird 3.8L V6 M5,<br />It once had....<br />NX Nitrous Wet Kit, ZZP X-P Hot Cam, <br />3.42 LSD, Pacesetter Headers, <br />36# Injectors, HP Tuners<br />322 RWHP, 379 RWTQ<br />13.596 @ 102.56 w/100 shot

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      • #4
        Originally posted by arthansen:
        I raised that limiter to 45. Give it a try.
        I will... also might set it to like 15 mph and see what it does.
        -Eric<br /><a href=\"http://www.cardomain.com/id/mustangeater82\" target=\"_blank\">2000 NBM V6 Camaro 5-speed</a> T-top <i>converted</i><br /><b>14.467@95.45mph</b> <i>$0 in mods</i><br /><i>The member formerly known as MustangEater8251</i>

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        • #5
          my stock Spark Limiter Speed vs. Gear has first gear set at 100mph??? Maybe its cuz I have an auto...
          http://www.bowtiev6.com/

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          • #6
            maybe its a failsafe thing for 5-speeds?

            pulls timing on the 1-2 shift, when its reved out hard?
            -Eric<br /><a href=\"http://www.cardomain.com/id/mustangeater82\" target=\"_blank\">2000 NBM V6 Camaro 5-speed</a> T-top <i>converted</i><br /><b>14.467@95.45mph</b> <i>$0 in mods</i><br /><i>The member formerly known as MustangEater8251</i>

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            • #7
              I think it might be because of the 5 speed so you don't mess something up to easily or something while shifting
              http://www.bowtiev6.com/

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              • #8
                Originally posted by shenanigans:
                I will... also might set it to like 15 mph and see what it does.
                Did you do this to see when it actually kicks in?
                01 Camaro A4 Convertible

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                • #9
                  Interesting....mine (stock) is set as follows:

                  60.5, 60.5, 96, 114.5, 116.5.

                  Wonder if it's a coincidence that I just happen to trap at 96 in 3rd?


                  I don't think it has anything to do with shifting....you could be 5 mph below that speed and it wouldn't have any effect. If it was for shifting, it should be related to RPM, not speed.
                  Matt
                  1998 Mystic Teal Camaro M5
                  Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.

                  Comment

                  • #10
                    Originally posted by South Tampa V6:
                    </font><blockquote>quote:</font><hr />Originally posted by shenanigans:
                    I will... also might set it to like 15 mph and see what it does.
                    Did you do this to see when it actually kicks in? </font>[/QUOTE]No I didn't but I did wind out 1st gear and watch my mph and timeing, looked normal ging like 37ish.


                    I'll try it someday.
                    -Eric<br /><a href=\"http://www.cardomain.com/id/mustangeater82\" target=\"_blank\">2000 NBM V6 Camaro 5-speed</a> T-top <i>converted</i><br /><b>14.467@95.45mph</b> <i>$0 in mods</i><br /><i>The member formerly known as MustangEater8251</i>

                    Comment

                    • #11
                      Originally posted by 98Camaro3.8:
                      Interesting....mine (stock) is set as follows:

                      60.5, 60.5, 96, 114.5, 116.5.

                      Wonder if it's a coincidence that I just happen to trap at 96 in 3rd?


                      I don't think it has anything to do with shifting....you could be 5 mph below that speed and it wouldn't have any effect. If it was for shifting, it should be related to RPM, not speed.
                      wierd...

                      mine was at 35 1st, then 140 for each following one.
                      -Eric<br /><a href=\"http://www.cardomain.com/id/mustangeater82\" target=\"_blank\">2000 NBM V6 Camaro 5-speed</a> T-top <i>converted</i><br /><b>14.467@95.45mph</b> <i>$0 in mods</i><br /><i>The member formerly known as MustangEater8251</i>

                      Comment

                      • #12
                        i messed with those and could not get it to limt anything...... far as i know the PCM has no Idea what gear the car is in.......(in a 5sp)

                        i set all mine to 218 lol

                        also if i set the p/n limiter it limits it at all times lol
                        www.turbov6camaro.com
                        1997 3800 Series II Camaro
                        4600 Stall for my ride to the mall :chug:
                        7.18 @ 99.77 1/8 -1.8x sixty (current quickest v6 fbod)
                        11.23 @ unk 5 1/4 - 7.19 1/8 - 1.83 sixty

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                        • #13
                          Originally posted by viper04af:
                          i messed with those and could not get it to limt anything...... far as i know the PCM has no Idea what gear the car is in.......(in a 5sp)

                          i set all mine to 218 lol

                          also if i set the p/n limiter it limits it at all times lol
                          Little G looked into that a bit. Since he wanted like 5k launches, not sure if he figured it out.
                          -Eric<br /><a href=\"http://www.cardomain.com/id/mustangeater82\" target=\"_blank\">2000 NBM V6 Camaro 5-speed</a> T-top <i>converted</i><br /><b>14.467@95.45mph</b> <i>$0 in mods</i><br /><i>The member formerly known as MustangEater8251</i>

                          Comment

                          • #14
                            the guys at hptuners sent him a custom file with a hidden etc limiter deleted.
                            00 GTP<br />98 Camaro v6<br />See, told ya I\'d be rockin another 4th gen :D<br />V6 & V8 tuning available at <a href=\"http://mysite.verizon.net/whenn1/\" target=\"_blank\">http://mysite.verizon.net/whenn1/</a>

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