Quote:
Originally Posted by colonel6632
any big differences it would make on a 2.2 ecotec with mostly stock. perhaps mostly a hotter spark so maybe better mpg? better idling? anything really at all?
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The idea of going w/ the MSD coils was brainstormed i believe on jbody.org because the quad (2.4) guys have issues w/ misfires, lost spark, etc, etc due to the ignition coils, poor insulation, etc, etc, etc, and being right on top and in between the engine. The heat around the head and the cam towers really jacked things up real well.
Now w/ this lil mod when done properly, VIOLA! Things turn out smoother, better, nicer, happier.
When I first did this 2 years ago or so... it was amazzzzzzing.