MS-2 with Knock Sensor

Shayne_GSX · Post by **Shayne_GSX** » Tue Feb 03, 2009 5:45 pm

I have a 93' Eclipse GSX thats getting MS-2 pcb v3. I want to use my stock knock sensor with MS. Do I have to build another circuit? Alternatively, what input does it utilize?

Thanks,
Shayne

vinister · Post by **vinister** » Tue Feb 03, 2009 10:44 pm

easiest way is to purchase a knock-sense. Google it.

Shayne_GSX · Post by **Shayne_GSX** » Wed Feb 04, 2009 7:16 am

Isn't the knock-sense just an on/off switch, meaning its either full knock or no knock? I googled it, but I can't find anywhere that hardly talks about it other than a miata forum.

vinister · Post by **vinister** » Wed Feb 04, 2009 7:48 am

I googled knock sense ms. this is the first hit.

http://www.viatrack.ca/

go down to the megasquirt specific one, order that. Its essentially a small amp with a bandpass filter tuned to your knock frequency, which outputs a pulse when knock is detected. The pulse is fed to MS, which can be setup to retard timing on knock events.

Shayne_GSX · Post by **Shayne_GSX** » Thu Feb 05, 2009 4:25 pm

Alternatively, I found this http://www.megamanual.com/ms2/knock.htm. Which would seem to work better for my application if not overall

. Thanks for the help.
-Shayne

vinister · Post by **vinister** » Fri Feb 06, 2009 9:20 am

heh, that is precisely what I am referring to.

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MS-2 with Knock Sensor

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