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Not all Insights have the same plug for all cylinders. Today 03:18 PM
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Why?
Are they funneling exhaust gas from # one cylinder forward,
to be reburned 2 times on each engine cycle? I can see where this would be a more efficient way to reduce pollution, and build fuel economy in the process,
but the valve plumbing would be crazy, and the cylinders might have to be of slightly different sizes......or the timing could be infinitely variable and super-fast at adaptation....or, hmmmmm.
I've got studyin' to do.
I'm just askin' GM3, why the mismatched plugs?
Best Regards,
Jagg