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Old 04-28-2011, 09:22 PM   #41
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How do you have it turned off?

I wondered about that myself, when i started reading about what they are and how they work. Then listening to sound clips i must say it sounded a little iffy to me. I then read where some one said they use some kind of audio filtering or somthing to single out the knock. It makes a little more sence till the OP said they are only $30. for the sensor now im starting to wonder.

If i raced my car i dont think ide want one pulling timming out but for how im using my car ill leave it alone.
You have to have your tuner or if you have a prp you can turn it off in the tune
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Old 04-28-2011, 09:39 PM   #42
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I agree a knock sensor is a nice backup if something goes wrong (gas, boost,etc) but the focus ones are not calibrated right. they pick up the noise from the drums on the dyno, road noise, wastegate, and shifting.

there was deto marks on the piston head.
I feel the KS is calibrated VERY WELL , I dont feel there is any way to get road noise to set off the KS , drum noise , dyno noise , waste gate because the kS works off a frequency , I have never seen this with the 100`s of Foci I have tuned and it is very rare to have to change the sensivity of the stock sensore , I am not saying yours does not have this issu as I havent seen how things are set

What marks did you see on the pistons from deto ?

Tom
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Old 04-28-2011, 09:59 PM   #43
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I feel the KS is calibrated VERY WELL , I dont feel there is any way to get road noise to set off the KS , drum noise , dyno noise , waste gate because the kS works off a frequency , I have never seen this with the 100`s of Foci I have tuned and it is very rare to have to change the sensivity of the stock sensore , I am not saying yours does not have this issu as I havent seen how things are set

What marks did you see on the pistons from deto ?

Tom
This is just my experience, ik not everyones focus is the same but my car runs well with it off.

And there were marks and pits from deto in the top, but not trying o throw this off topic.
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Old 04-29-2011, 12:24 AM   #44
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Got the new KS in and my datalogs still show damn knock. Nothings really changed except in some spots where it "ramps" up or down on the graph instead of a straght drop or rise.

Think I'll try doing illinipo's version of listening to knock through the stereo and then re-clearance my buckets to get rid of the extra valvetrain noise.
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Old 05-01-2011, 07:54 AM   #45
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How is thins coming alon egg?
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Old 05-03-2011, 12:41 AM   #46
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How is thins coming alon egg?
I'm still working on it slowly but surely. Tomorrow, I'm going to try taking the serpentine belt off and run the car long enough to see if I get knock or not. If nothing shows then it would eliminate possible noise from the serpentine pully, tensioner, water pump, alternator, A/C, power steering, etc. Hopefully that method can eliminate a lot of possible causes.

Now out of curosity, if I did have real unaudiable knock, then what would be some things that cause it? What if it was real knock while running 91 oct on the stock 87 oct tune?
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Old 05-03-2011, 11:51 PM   #47
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I tried my test I posted above just now. Knock still shows, but at least I eliminated a bunch of possible causes. It cant be anything in the accessories.

Re-clearancing the cams will come this weekend. I'll continue updating this untill I find the cause.
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Old 05-04-2011, 12:28 AM   #48
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When was the last time you had the clutch looked at or replaced?

Does it shift funny or clunk into gear when shifting? flex plate cracked maybe?

I would hate to think you have bad rods
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Old 05-08-2011, 02:15 PM   #49
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When was the last time you had the clutch looked at or replaced?

Does it shift funny or clunk into gear when shifting? flex plate cracked maybe?

I would hate to think you have bad rods
This is an ATX car.... for now. But everything shifts just fine and feels fine. I heel a slight whistle when I decelerate in gear. Dont think its an issue though. Also I hear a sound that sounds like a rattle that knock would make coming from the back of the car, could the KS actually here it if the noise was coming from somewhere in the back? I started heaing it after doing my SVT brake swap way back when before getting my tune.

Got all the buckets off my friend so I'll be re-clearancing the cams when I get a chance.
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Old 06-11-2011, 06:35 PM   #50
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I'm gonna go ahead and bump this back up since I just graduated high school and have all the time in the world to play with this right now. Have a couple questions...

1. With the KS unplugged, should I still be getting a reading from my KS retard on Live Link? It advances and retards still even though its unplugged.

2. As I said before, I got alot of different size buckets off a friend. Does it matter if they're used? I know it used to be if you were using a used cam, you'd need new buckets because of the wear patterns. Does this still apply to todays newer hardened materials, etc?

Thanks in advance!
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