1BAD_LS1

iTrader: (36)

I was wondering what you have found that has caused "false knock"... like exhaust, ect....

I have knock and have retarded my spark tables like 6* across the table and still get KR!!! I am really starting to think its false knock

I ordered my NGK wideband friday so i can start over on the tune and do it right....

deuce_454

mechanical noise will set off a knock sensor.. ie mechanical cam,

HAWK12

or if you have forged pistons that will cause a knock sensor to go off i heard

98Camarod

iTrader: (43)

98's were the most sensitive knock sensors. I had my ORY give me some nice KR. So I got rid of it and got the TSP dumps. Now I just have the open down pipe.

Is it showing KR or is it just pulling timing by itself?

DaddySS

What is compression ratio and what kind of gas qre you running?

Do you hear the knock?

DaveX

As stated many things can cause it. The biggest problem I've had was the Y pipe banging, which I fixed with poly mounts.

You can tweak the sensitivity of the knock sensors so they are not as sensitive but you need to get rid of all mechanical noises also. But until you have a wideband, it may just be lean causing it.