loud motor = happy motor?

[Tom Sharpe]

Michael Kent wrote:

> While fiddling around with my ignition timing maps I've noted a
> significant increase in the induction noise as I bring the timing up.
> Over 3000r's, past the stock torque peak, the motor seems pretty
> rattle-proof and I'm wondering if the timing is actually over advanced,
> causing work to be done against the piston...
>
> Timing at light load is up to 55 deg and WOT is no more than 40,
> usually more like 34.
>
> thanx,
>
> MK

  I see 45-48 at light cruse but 34 at WOT and my system is on the ragged
edge of detonation. EGR may allow more advance...

Regards  Tom