[Miata] Out through the in door - what gives?

[Ken Bogart]

So the charge was igniting as the intake valve was opening?  That
could explain the smoke from the intake!

Glad you found it.

KEN


On 7/2/07, John Bodoni <jbodoni at gmail.com> wrote:
>
> On 6/25/07, Jon Etkins <jon at snikte.net> wrote:
>
> > I'm going to venture a guess that somehow the ignition is out by 180
> degrees, firing at the bottom of the stroke instead of the top.  Are you
> sure you haven't managed to swap the coil wires?
>
> Jon wins the "remote diagnostician" award on this one.  Somehow I managed to
> swap the coil leads - you know, the ones located right next to the firewall
> for easy access.  I verified this by using the timing light and turning the
> engine over by hand.  Sure enough, ignition was happening with the cam's
> timing mark at the bottom of the turn.  After swapping the leads (and losing
> a bit of knuckle skin) #1 is firing at the top of the cycle.
>
> Lack of a thermostat gasket prevented me from getting everything buttoned up
> last night.  I'll be glad to get my car up and running!
>
> John
>
>
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