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Can I use a LT4 knock sensor?

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Old Jul 30, 2002 | 11:58 AM
  #1  
Free Bird's Avatar
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From: Dale City, VA
Car: 91 GTA and 85 IROC
Engine: 355
Transmission: gear jammer
Axle/Gears: 4.11
Can I use a LT4 knock sensor?

I know dumb question, but i figure I'd ask. Should I just dissable it?
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Old Jul 31, 2002 | 10:22 PM
  #2  
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From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
same here BTT
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Old Jul 31, 2002 | 10:45 PM
  #3  
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From: Manassas VA
Car: 04 GTO
Engine: LS1
Transmission: M12 T56
I actually have no idea if it's the same as the piece for our cars, but chances are it's not.

As for bypassing, mine has been for a year and a half. As long as you keep your ear open for knock, no worries. Since i don't have a scan tool to tune with, have to rely on the good old fashioned method to make sure everything is OK.
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Old Jul 31, 2002 | 10:47 PM
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From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
did you put a resister in if s owhat size?
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Old Aug 1, 2002 | 08:40 AM
  #5  
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From: Manassas VA
Car: 04 GTO
Engine: LS1
Transmission: M12 T56
it's a 3.9k ohm resistor for all SD cars

I think the MAF cars all used the 100k piece, but i'd verify before taking my word for it.

Mine's bypassed right by the ecm. I cut the KS wire and put insulated disconnects on it. Put a matching disconnect on a wire to the resistor and grounded it right to the ECM case. I need to get a scan tool on it to verify the ECM is a 'clean' ground though, used to use teh chassis but the extra wire from the ECM was always inthe way when swapping chips.
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