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RE: Franco gear
The Audi V6 operates this way. It uses 3 "Double ended" ignition coils
that fire a spark at each end, one "positive" and one "negative". The
system then only has to control 3 coils instead of 6. the VW VR6 does
it this way too, probable many others.
>Sent: Friday, November 14, 1997 5:05 PM
>Subject: Re: Franco gear
> I was just not sure if the change in the hall effect sensor
>>> position relative to the crank sensors would mess up the computer's
>>> to correct the timing.
>e_. As far as the
>>based sensors are concerned, these events are indistinguishable - a
>>signal is required to determine which of the two flywheel pulses
>>complete cycle is actually the firing stroke. Once this is done, the
>>disregard the Hall sensor completely.
>My Kawasaki motorcycle fires every crank revolution shooting a spark
>at the end of the exhaust stroke. Do any autos with crank fire do this
>or is it too much of a problem given the overlap and subsequent presence
>of fuel charge at the top of the exhaust stroke?
>Paul Anderson, Cheyenne, WY Private email:AndersonPaul@juno.com