Adding knock sensor to AEM EMS
#23
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What are my options? I read you went to some hardware store and bought something and had it welded. I just didn't understand what.
To the op: sorry for threadjacking
edit: I just saw your post. You mention a nut. (I guess I'm the nut in this instance).
#24
Then I'm screwed because that's the one currently in my block.
What are my options? I read you went to some hardware store and bought something and had it welded. I just didn't understand what.
To the op: sorry for threadjacking
edit: I just saw your post. You mention a nut. (I guess I'm the nut in this instance).
What are my options? I read you went to some hardware store and bought something and had it welded. I just didn't understand what.
To the op: sorry for threadjacking
edit: I just saw your post. You mention a nut. (I guess I'm the nut in this instance).
#25
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You buy a 10x1.5mm nut from your local hardware store (the Saturn sensor, which is threaded, can bolt in that nut). Then you get your original motor mount bolt along with the new nut to a someone with a welder and tell him to weld the nut to the bolt head. And you end up with a mounting block for your new sensor
#27
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Project; I don't see why not. j_man makes his suggestion about which side in our motors just based on the one that's easier to get to. Just look at your engine and hook it to the one that's easier to reach.
#28
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my only engine mount that attatches to the block is the passenger side mount, i'm kind of confused how attaching the knock sensor to the mount will allow it to read knock inside the engine doesn't the end of the sensor actually have to touch the block?
#29
Now on the AEM EMS I've yet to see a signal above 0.99 volts. I've even started up the logging and started banging stuff with a hammer just to see what would get recorded. Still nothing above 0.99 volts. I thought this was a 5v sensor? Right now I just consider anything above 0.3v is probably real knock, and I've got my timing WAY retarded.
I'd like to have a knock function that I actually have faith in. Would an external bandpass filter help to get the old Link/Bosch/FM sensor to log like it used to on the Link? Is there any advantage to buying the "7 khz sensor from the GM Saturn, part number 21021879"? Should I rescale the sensor table in the AEM EMS from a 5v to a 1v?
I saw that 'JasonC SBB' mentioned a bandpass circuit, does anyone have the link?
#30
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I'm currently running the same exact set up. I believe the Links Bosch sensor is the same pn as used on the buick grand national among many others. On the Link the signal was beautiful and precise, on the few data logs I got b4 the i/o went out.
Now on the AEM EMS I've yet to see a signal above 0.99 volts. I've even started up the logging and started banging stuff with a hammer just to see what would get recorded. Still nothing above 0.99 volts. I thought this was a 5v sensor? Right now I just consider anything above 0.3v is probably real knock, and I've got my timing WAY retarded.
I'd like to have a knock function that I actually have faith in. Would an external bandpass filter help to get the old Link/Bosch/FM sensor to log like it used to on the Link? Is there any advantage to buying the "7 khz sensor from the GM Saturn, part number 21021879"? Should I rescale the sensor table in the AEM EMS from a 5v to a 1v?
I saw that 'JasonC SBB' mentioned a bandpass circuit, does anyone have the link?
Now on the AEM EMS I've yet to see a signal above 0.99 volts. I've even started up the logging and started banging stuff with a hammer just to see what would get recorded. Still nothing above 0.99 volts. I thought this was a 5v sensor? Right now I just consider anything above 0.3v is probably real knock, and I've got my timing WAY retarded.
I'd like to have a knock function that I actually have faith in. Would an external bandpass filter help to get the old Link/Bosch/FM sensor to log like it used to on the Link? Is there any advantage to buying the "7 khz sensor from the GM Saturn, part number 21021879"? Should I rescale the sensor table in the AEM EMS from a 5v to a 1v?
I saw that 'JasonC SBB' mentioned a bandpass circuit, does anyone have the link?
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