Crank Trigger Signal (was monitoring RPM)

[Peter Fenske]

Es vat Dodge does.. In magnum motors..
Es give me lots of trouble in swaps..
If the engine has a lot of endplay with the crank.

However this is what they do and who
can speak fer sucess??
:peter


> On Mar 4, 10:18am, Dave J. Andruczyk wrote:
> 
> > Whats wrong with putting a hall sensor really close to hte flywheel teeth,
> > as there is prolly close to 100 or more teeth on that and the sharp edges
> > may be enough to trigger the sensor, another pickup could be used to
> > detect TDC, so you can have both rpm, and position, with a decent amount
> > of resolution.   Renault had a similar system for their ignition, as it
> > used a crank trigger sensor that read larger "teeth" (they look like
> > square blocks right behind the flywheel teeth) and missing teeth at tdc.
> 
> This is true, but I've often seen SBC motors which chipped or broken
> flywheel teeth.  They're in an abusive environment, and can be damaged
> without TOO much effort.  I'd rather replace the sensor on the front of
> a motor than pulling the transmission to swap a flywheel, personally :)
> 
>