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Thread: Knock Retard
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08-30-2005, 06:52 AM #1
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- Aug 2005
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Knock Retard
Ok I finished my head, cam, long tube, therm., and plug wire install. My question is now I have 4-5* of knock retard :hammer: at WOT where I had none when the car was stock. Is this a tuning issue or an install issue?
Can I tune this out? Do I need to take the car apart again and re-do something? Or could something be loose and it just needs to be tightened down that may be setting off the sensor (ie exhaust)? I would like to get this issue resolved.
The car is definitely stronger now with the install but I think it will be stronger if I can get rid of the KR.
Thanks
Jon
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08-30-2005, 07:30 AM #2
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- Aug 1999
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Black- 383 Procharged & N20 Vert
You need to get it tuned. You are most likely running lean.
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08-30-2005, 07:32 AM #3
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Black, Blue- 07 TBSS, 07 GSXR1000
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08-30-2005, 08:54 AM #4
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I am trying to get an appointment with TR but there was a hurricane there recently...
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08-30-2005, 08:57 AM #5
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Black, Blue- 07 TBSS, 07 GSXR1000
Sounds like that Bad Luck might be rubbing off.
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08-30-2005, 08:03 PM #6
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- cali
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- 1990
I've had up to 10* of knock retard at WOT but I only did a long tube install.
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08-31-2005, 06:13 AM #7
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Light Pewter Metallic- 2000 Camaro SS M6
Get HP Tuners and tune it yourself.
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08-31-2005, 11:13 AM #8
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- Aug 2005
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Originally Posted by GatorSS
I have HPTuners, I guess I need to get the wideband to tune it myself.
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09-07-2005, 07:25 AM #9
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- Aug 2005
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OK guys...This is what I have found out. My Y-Pipe is knocking on the brace. I am working on getting the exhaust hanger back on the car.
I am curious...I did 2 back to back WOT logs. I logged 0 KR on the first run to 100 and the second run to 100 I logged 4* of KR. Could it be because of the Y-pipe or would true knock come and go like that?
While driving the car is when I heard the rattle under the car and checked to find the rattling Y-Pipe.
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09-07-2005, 07:28 AM #10
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- Aug 1999
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- Arizona
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Black- 383 Procharged & N20 Vert
Yes that could cause a false knock.
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09-28-2005, 02:04 PM #11
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- Aug 2005
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Black- 2002 Camaro SS (crashed)
I'm glad to hear that I'm not the only person that has a y-pipe hitting the floor pan. Right under the diver side.
Last edited by Soltakr; 09-28-2005 at 02:06 PM.
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