tracing detonation

[Gonyou, Jeremy (.)]

Chicken or the egg.  
On my V6 the tensioner moves so fast I can hardly see it.

Jeremy


I've seen the reverse as being true many times, ie the serpentine belt
tickling the knock sensor.
Bruce



> Check out the article in Popular Hot rodding May 2001
> Page 26 they say movement of the belt tensioning
> device is a sign of detonation. In the Dyno Cell they
> video tape the engine under load, then play it back
> to find where the detonation happened. It would be
> interesting to see if we could put a strain gauge
> or other sensor to monitor tensioner movement
> while we are driving.

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