RE: [ST] Octane

["Solomon, Jack S" <jack.s.solomon@xxxxxxxx>]

Masiak, Richard wrote:

>I was thinking the same thing based on my experience with the RS125.  If the equipment 
>is able to detect pre-detonation to keep count, then the signal is there to make the 
>ECU adjust the ignition timing.

>The two strokers are carb instead of EFI, so all we need to do is detect it.  Knowing 
>it's happening then adjust the timing to try to fix it.  

>On EFI, one would just need to figure out how to change the ECU to accept this signal, 
>know it's meaning, then adjust the ignition map as necessary.  Simple. ;-)

The pre-ignition knock is a result of the piston compressing.  How can the engine control module change the compression ratio.  Maybe the system can put less fuel mixture into the cylinder during the intake stroke, but IMHO the spark timing cannot change the pre-ignition knock.
_______________________________________________
Triumph Sprint ST/RS mailing list
Send list posts to ST@xxxxxxxxxxxxxx
Change your list options at www.Triumphnet.com