setting ignition curves without dyno

[Tom Sharpe]

AttaBoy Mike, I've said the same thing twice and no one heard me.... You
just write better...  Regards  Tom
PS How about a table of acceleration values matching the fuel and spark and
block learn tables????

Michael Farrugia wrote:

> I do not think that just for setting the ignition advance you need to
> know the real horse-power : all you need to know is the gain or loss
> from a datum.  If you have an ECU which will tell you the speed of the
> engine every say 5 millisecond and log it to a file, then you can get
> the accelleration at every speed.  The accelleration is a direct
> measuremnet of the power at that speed.  If you repeat this with verious
> advance curves then you will get a good idea of which advance is giving
> you the best acceleration.
> Of course, for these tests to be successfull all other conditions should
> remain the same ie throttle position and load.  For throttle position
> full throttle can be used while for load a flat strech of road and no
> wind are a must.
> regards
> michael