Adding a knock sensor

[downforce22]

I want to add a knock sensor also, curiously following this thread

[mr2peak]

This kit here: http://www.viatrack.ca

It is recommended in the MegaManual, but the MegaManual also says it's for "Experimental purposes". Everything else I've read says that it works quite well.

Relevant MegaManual link http://www.megamanual.com/ms2/knock.htm

[berlow94]

Anyone add a knock sensor with megasquirt?

I don't think MS actually has well functioning knock control or the ability to knock limit a motor.


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[mr2peak]

Anyone add a knock sensor with megasquirt?

[nomansland92]

I run active knock control on my m20 with haltech

Here's how I mounted it to the side of the block





To set it up just did the math for the knock frequency for now and set the dB rating above natural engine noice, next time on the dyno if I have time I'm going to run into light knock on purpose and verify the settings and adjust if needed.
But so far it works great and Is a great safety feature.
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[berlow94]

Anyone here have experience with adding a knock sensor (or two) to an M20?
Going to a standlone ECU and would like to have it Knock limited (closed loop knock control) for safeness.

I'm assuming you would have to figure out an appropriate mounting boss and then have everything acoustically tuned for the bore size and spacing.