Subject	If your car was indeed detonating, a properly working
Posted by	doug8867 on April 30, 2008 at 9:30 PM
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In Reply To	Rattle noise with throttle posted by nismoniac on April 30, 2008 at 03:42 PM
Message	knock sensor should be retarding timing until the car is turned off - i.e. short term safety boost. So the next time you hear it. go home and stop the car but don't turn it off. Then while it's idling check your timing with a timing light. Then turn the car off for 30 seconds or so to erase the short term safety boost, restart the car and check the timing again and see if it is the same as before. If the second time you check the timing it's higher, then you've been detonating
Follow Ups	Rattle noise with throttle - nismoniac 15:42:25 04/30/08 Impending engine failure if ignored due to preignition. - Audioquest 15:58:26 04/30/08 Re: Impending engine failure if ignored due to preignition. - nismoniac 16:22:33 04/30/08 Sort of..preignition, not detonation. Regardless - Audioquest 16:28:04 04/30/08 Re: Sort of..preignition, not detonation. Regardless - nismoniac 16:32:21 04/30/08 What plugs do you use? They should be the stock NGK - Audioquest 16:45:02 04/30/08 Running NGK (1 step colder - 6?) Car is SPG Stage V - nismoniac 16:51:54 04/30/08 What EPROM is in your ECU that you "ran programming - Audioquest 19:39:48 04/30/08 If your car was indeed detonating, a properly working - doug8867 21:30:15 04/30/08 If, after performing the above proceedure, your timing - ZTicket(Dallas) 08:18:09 05/01/08 I had SGP gut precats and I'm running test pipes in lieu - nismoniac 10:11:07 05/01/08 Get a timing gun and save some money. - doug8867 11:09:43 05/01/08
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