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02-20-2024, 08:15 AM | #1 |
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Join Date: Feb 2013
Location: Ny
Posts: 32
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Msd dis4
i'm trying to get this going on my mach, obviously it seems the 89121 are impossible to get. i've read some articles that say 8912 can be used on COP but i've also have been told i must only use 89121. has anyone used the 8912? or should i just give up on the msd ignition set up? thanks
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02-20-2024, 02:14 PM | #2 |
700 HP Mach
Join Date: Nov 2003
Location: Orlando, FL
Posts: 8,384
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Re: Msd dis4
im not familiar with these at all, what is it you're trying to achieve with these things?
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc... '12 F150 FX2 Supercrew with Ecoboost daily beater |
02-20-2024, 04:00 PM | #3 |
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Location: Ny
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Re: Msd dis4
i'm sure its crazy but its the only way i can find to be able to retard timing when activating nitrous. i have a tune for my procharged set up, i cannot have multiple tunes so i figured this is the only way to achieve spraying nitrous. the more im into it, the more it seems like its just not worth it. i originally purchased the msd 8921 and didnt realize that wont work and need the 89121, which are just not available at all.
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02-20-2024, 04:01 PM | #4 |
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Re: Msd dis4
i dont plan on spraying much 50-75 hp so i didnt want to change my tune based off the nitrous
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02-21-2024, 09:30 AM | #5 |
700 HP Mach
Join Date: Nov 2003
Location: Orlando, FL
Posts: 8,384
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Re: Msd dis4
ah ok.
Why cant you have multiple tunes - what device are you using? I know swapping between them is kind of a pain in the rear
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc... '12 F150 FX2 Supercrew with Ecoboost daily beater |
02-21-2024, 03:43 PM | #6 |
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Location: Ny
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Re: Msd dis4
i'm not sure what software he used. i know its not HP and i know that when i had sct i was able to have multiple tunes but not with this. i think he plugs right into the ecm.
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02-22-2024, 12:23 PM | #7 | |
700 HP Mach
Join Date: Nov 2003
Location: Orlando, FL
Posts: 8,384
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Re: Msd dis4
Quote:
if you can still get them the J&S vampire/knock detection/prevention system would be an issue if you cant get the MSD to work. You can wire in a switch to the system and retard 2-4 degrees without changing the tune itself 7) If you are using nitrous oxide, connect the J&S “Aux” wire to the nitrous switch. When you hit the nitrous switch, the unit will retard either 2° (S5 down) or 4° (S5 up). You could also wire pin 2 to a toggle switch, and use it to retard 2° or 4° when you fill up with low octane fuel. http://www.jandssafeguard.com/VampirePage/Vampire.html this system listens to the factory knock sensors, I did the MSD 2 step harness install so as not to splice into anything. It's basically running the coil signal through this unit so it can delay the signal. If it detects knock/detonation it will pull timing before that cylinder fires again. I also run the better gauge that will tell you which cylinder(s) detected knock
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc... '12 F150 FX2 Supercrew with Ecoboost daily beater |
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02-23-2024, 06:32 AM | #8 |
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Re: Msd dis4
thats absolutely perfect, i appreciate the information. i found one and bought it yesterday. i have the msd 2 step as well. how did you wire it in without splicing?
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02-23-2024, 10:13 AM | #9 | |
700 HP Mach
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Re: Msd dis4
Quote:
starts at page 5 using the MSD 2 step harness. Using this AND an actual 2 step - not sure how that would work tbh. It seems like you could probably still tie it in but I dont have any experience with setting up the 2 step box
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc... '12 F150 FX2 Supercrew with Ecoboost daily beater |
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02-24-2024, 04:45 PM | #10 |
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Re: Msd dis4
i got in touch with the owner. he still makes these units and the new one has a 2 step built in. the original will work with the msd 2 step as well. this will work perfectly for my application and i appreciate your input on this topic. you helped big time, thanks again
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02-26-2024, 12:35 PM | #11 | |
700 HP Mach
Join Date: Nov 2003
Location: Orlando, FL
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Re: Msd dis4
Quote:
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc... '12 F150 FX2 Supercrew with Ecoboost daily beater |
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