Originally Posted by N3v
(Post 348620)
I've never heard firsthand of people blowing their mufflers, but if you have a catalytic converter, you will ruin it very quickly with spark cut only. spark cut is easier on your engine though. And for an added bonus, you get an occasional fireball if you hold a spark cut rev limiter too long.
and if its slower its on Fuel cut only. Spark cut is much much quicker like it would be on a sport bike. Ill take a video tomarrow to show the diffrence, if it wasnt 4am and a straigh piped miata wasnt super loud bouncing off the launch control ide do it right now. |
Oh and someone should add this stuff to the MS FAQ, like the Digram to build, were to wire it to use the stock clutch switch.
Then the video i make to show the 2 diffrent settings. |
Originally Posted by 92Miata
(Post 348625)
Oh and someone should add this stuff to the MS FAQ, like the Digram to build, were to wire it to use the stock clutch switch.
Then the video i make to show the 2 diffrent settings. The wire to connect to is in the main wiring harness diagram I've posted in the FAQ (1V 90-95), simply connect that to JS11. the end. |
I wired the pin 12 and 13 together on the pnp...the light on megatune turns red and says launch control is on. set it up in megatune advance..3500 rpm and retard at 10 degrees...hmm..for some reason its not working...what am i missing?
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Did you set the throttle ADC? Figure out what your throttle ADC is at full throttle (right-click->Swap To->"TPS ADC") and then set it like 10-15 points lower than that. You have to have the switch on, clutch down, and be at full throttle before the launch control will engage.
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I could never get launch control to work without a variable TPS, regardless of the throttle ADC value.
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okay, I got it to do BAP BAP BAP....for some reason i'm only getting 2 psi of boost at 4000 rpm....shouldn't it be a little higher? what numbers are you guys using for tps ?
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Originally Posted by Sleeper_MX5
(Post 351314)
i'm only getting 2 psi of boost at 400 rpm
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Originally Posted by Joe Perez
(Post 351315)
That would be with the GT1241, I take it?
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Originally Posted by Sleeper_MX5
(Post 351314)
okay, I got it to do BAP BAP BAP....for some reason i'm only getting 2 psi of boost at 4000 rpm....shouldn't it be a little higher? what numbers are you guys using for tps ?
depends on your limit types...you can alter them to work faster and to cut spark...should be able to make it see full boost... I can work up around 4-5psi with a very slow fuel cut only: |
I have Launch control working with a Non Variable tps, infact i have no tps signal because the non variable signal is worthless to ms.
My launch control is set to 3700rpm, spark cut only. Settings are, Retard ign above 4000 retard to 5 enable launch when tps above o hard limit 3700 Here is a video of it, i wired it to my horn button, since my clutch switch wasnt working. Im only Part throttal because WOT launch control is very very loud, and im not gonna do that at my house. http://i72.photobucket.com/albums/i1...h_CIMG3484.jpg |
I got my launch control working today and pulled the plugs for the neutral switch that are on the transmission and it works great. Flat shift kicks ass too, but for some reason it sounds like its cutting spark only, so i only did it a few times.
Do those of you who are using this feature give up rev matching or something? I think I am going to have to wire in an on/off switch, because I rev-match to downshift normally and it bugs me that launch control does not allow that |
I'd wondered about rev matching, and thats part of the reason I went with a button. Counldn't you wire in a toggle to say launch is either on or off.
Originally Posted by akaryrye
(Post 355376)
I got my launch control working today and pulled the plugs for the neutral switch that are on the transmission and it works great. Flat shift kicks ass too, but for some reason it sounds like its cutting spark only, so i only did it a few times.
Do those of you who are using this feature give up rev matching or something? I think I am going to have to wire in an on/off switch, because I rev-match to downshift normally and it bugs me that launch control does not allow that |
that is what I am thinking. I just wish there was a function to tell the computer that past a certain rpm, launch control is off or something like that ... seeing that I can barely hook up at 2k rpm, that would help a lot.
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Originally Posted by akaryrye
(Post 355483)
that is what I am thinking. I just wish there was a function to tell the computer that past a certain rpm, launch control is off or something like that ... seeing that I can barely hook up at 2k rpm, that would help a lot.
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I'm bringing this thread back to life. I just setup my launch control. It works fine but when driving at 5000rpms it's like a hit a rev limiter or something. Any idea what that could be?
Launch control: on Retard Ignition above: 2000 Retard to: 5 Enable Lauch when TPS above: 150 Launch Control Hard Limit: 2200 Variable Launch: off Flat Shift arming rpm: 15000 Flat Shift mod retard above rpm: 0 Retard to: 5 Flat shift hard rev limit: 100 Rev limits are set to 7100 (soft) and 7200 (hard) and everything is set to spark cut |
Originally Posted by Braineack
(Post 351169)
I could never get launch control to work without a variable TPS, regardless of the throttle ADC value.
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Necropost time.
I have the MSPNP9093, and have wired 12 & 13 together, and the software refuses to enable launch control. No matter how many times I hit burn, the indicator at the bottom of Megatune still says "launch off". The only thing I can think of is possibly the FM clutch switch override I have, but IIRC it doesn't cut off the switch used for launch control. Halp! |
I can't speak to the FM over ride since I don't have one, but I can't imagine how that would effect anything, since I've been able to "toy" with launch control both with the clutch engaged, and disengaged. I know its wierd, but I was bored one day.
Originally Posted by kotomile
(Post 433120)
Necropost time.
I have the MSPNP9093, and have wired 12 & 13 together, and the software refuses to enable launch control. No matter how many times I hit burn, the indicator at the bottom of Megatune still says "launch off". The only thing I can think of is possibly the FM clutch switch override I have, but IIRC it doesn't cut off the switch used for launch control. Halp! |
Originally Posted by kotomile
(Post 433120)
Necropost time.
I have the MSPNP9093, and have wired 12 & 13 together, and the software refuses to enable launch control. No matter how many times I hit burn, the indicator at the bottom of Megatune still says "launch off". The only thing I can think of is possibly the FM clutch switch override I have, but IIRC it doesn't cut off the switch used for launch control. Halp! |
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