The other day I was in the shower ruminating on George's issues with the Yellow Peril and thinking about the role of trigger contacts. It occurred to me that, for a couple years I had the distributor drive gear in backwards in my FI 122. To compensate I just switched the wires around and was done with it until some time this summer when I finally pulled the gear and put it in right. Then I recalled that there is just one eccentric on the distributor shaft to open the trigger contacts.

So, I wonder, would have this actually have caused the fuel injection pulses to be 180 degrees of cam rotation out of phase with the engine? I would say yes. But would this really matter in an appreciable way? After all, there are 2 contacts and two injectors pulsing at the same time, despite the fact that 2 cylinders are never combusting at the same time. As I understand it (which is not very well) K-jet is continually injecting fuel, regardless of stroke position and it seems to work OK. Would the out of phase injection have meant that my 122 was injecting fuel to cylinders 1 and 3 when #1 was on the compression stroke rather than #3, still resulting in a pulse to a cylinder on the exhaust stroke, just not the one originally intended?

The things you think about in the shower...

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Justin 66 122E
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