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AEM EMS boost by speed using front ABS sensor

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Old 07-17-2018, 05:15 PM
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Default AEM EMS boost by speed using front ABS sensor

Is there anyone here with a s2k turbo setup using boost by speed, but successfully utilizing the front ABS speed sensor as an vehicle speed input for their AEM EMS 1 or 2? Im not sure if this is even possible. I’m just wondering what else is involved besides splicing the correct wire from the modulator or ABS control unit to my D-connector. Is there a signal converter or anything of that sort needed?

Old 07-18-2018, 10:33 AM
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Why not use the oem VSS?
Old 07-18-2018, 10:54 AM
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Originally Posted by soulicious
Is there anyone here with a s2k turbo setup using boost by speed, but successfully utilizing the front ABS speed sensor as an vehicle speed input for their AEM EMS 1 or 2? Im not sure if this is even possible. I’m just wondering what else is involved besides splicing the correct wire from the modulator or ABS control unit to my D-connector. Is there a signal converter or anything of that sort needed?


If anything I would splice it by the connectors themselves , the right side originates for the underdash connectors.
Your AEM doesnt have speed input yet? If it can accept a pulse generator , VSS would work , but it may output at a high rate if connected directly. The S2000 cluster changes this single pps for the cruise , soft top , ecu , eps to us, so cluster out would be the best.
Old 07-18-2018, 02:00 PM
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Im still lost to why you are not just using oem VSS?
Old 07-18-2018, 02:52 PM
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I am using the OEM VSS. If you lose rear wheel traction, EMS sees the speed increase which in turn increases boost.
Old 07-18-2018, 03:06 PM
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I found the following which might be somewhat helpful:

https://www.s2ki.com/forums/s2000-fo...ntrol-1169169/
Old 07-18-2018, 03:23 PM
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Do boost by gear than, or limit boost so your not spinning?
Old 07-18-2018, 05:32 PM
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I have an AEM EMS v1 which doesn’t have boost by gear. Boost by speed works pretty good for what I got and I’m happy with it. I just want to see if there was a way to optimize it using the actually ground speed vs using VSS.
Old 07-19-2018, 09:59 PM
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Buddy is running 800whp boost by gear
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