loud motor = happy motor?

[Bruce Plecan]

 Michael Kent <mkent at polymail.cpunix.calpoly.edu>
To: diy_efi list <diy_efi at esl.eng.ohio-state.edu>
Date: Tuesday, November 03, 1998 12:09 AM
Subject: loud motor = happy motor?


Such amounts of timing on a gas engine can really be hard
on ring lands and headgaskets, rod bearings.  
Bruce
Nice long set of velocity stacks on em + we called em cop callers.
>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
>