<VV> Re timing advance
BobHelt at aol.com
BobHelt at aol.com
Fri Feb 22 21:24:20 EST 2013
____________________________________
From: BobHelt at aol.com
To: corvairgrymm at gmail.com
CC: virtualvairs at corvair.org
Sent: 2/22/2013 2:20:21 P.M. US Mountain Standard Time
Subj: (no subject)
Ray,
Excuse me for possibly reading something unintended in your statement
below, but you seem to be under the impression that advancing the spark timing
up to the point of detonation at each rpm would be ideal.
Far from it. The object is to advance the timing up to the point of
maximum torque at any rpm and do that without encountering borderline detonation.
That point is called MBT or max best torque. Note the borderline det., not
to the point where you can hear it.
IF you should go beyond MBT then there will be a LOSS of torque.
Why not start with the advance curves found in the four Chev engine test
reports available from Clarks??????
Regards,
Bob Helt
I'll be running the Carter knock eliminator for what that is worth. I'd
love to think that device would allow me to advance the hell out of the
timing and count on it to prevent engine damage but I'm sure that would be
a horrible idea.
Ray R.
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