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Bad knock and almost everything is checked! Need ideas

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Old Jan 14, 2010 | 01:37 PM
  #1  
fvaldes's Avatar
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From: Monterrey, Mexico
Bad knock and almost everything is checked! Need ideas

My car is with the tuner at the dyno and he is going crazy. He cant find the reason why my knock sensor is going crazy. He checked the exhaust and it is not rubbing with anything, he changed the knock sensor and nothing. He is about to change the front motor mounts but he is almost positive that those wont be the problem either. He told me that even on neutral if he revs the motor it will show about 50 counts with Q16! So he is 100% sure there must be something wrong there. Any other ideas that could help?
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Old Jan 14, 2010 | 02:18 PM
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Will you post your complete modifications list?
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Old Jan 14, 2010 | 02:32 PM
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Originally Posted by sparky
Will you post your complete modifications list?
2.3L stroker motor.
GSC S2 Cams and upgrade springs
HKS management system
1000cc. bosch injectors
Walboro fuel pump
buschur Big race intercooler
buschur turbo back exhaust no cat.
Injen upper and lower pipes
FP Red Turbocharger
Invidia Headers
NGK racing plugs ( 1 step colder )
Fuel rail
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Old Jan 14, 2010 | 02:38 PM
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did it always knock like crazy with this build or is this new?

try a differnt knock sensor.
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Old Jan 14, 2010 | 02:43 PM
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Originally Posted by Aby@MIL.SPEC
did it always knock like crazy with this build or is this new?

try a differnt knock sensor.
It is new. The most knock I ever got was 7 counts, now it is absolutely crazy. They already put a new knock sensor and it is still not working.
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Old Jan 14, 2010 | 05:10 PM
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hook up some det cans and start tuning the knock settings.

2.3L's are notorious for phantom knock
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Old Jan 14, 2010 | 08:49 PM
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have him pull the plugs check gap on them, all those misfire counts.....a plug being broken inside ur combustion chamber or somethin like that could cause it...gl
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Old Jan 15, 2010 | 07:25 PM
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i've had a mysterious 32 counts of knock on mine after I did cams and valvesprings with absolutely no idea as to what it is! Put stock cams back in and still knocking!
Check timing or balance shaft phase. check plugs, check for boost leaks.
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