Well, from your comments I would say that it seems that all of them are satisfactory at least. During my search I found a few threads where people had to have part of the IMI machined away in order to get the pinion clearance closed up.
One further question - which ones have the lugs away from the exhaust? One of the comments I read was that the Powermaster placed the wires very near the exhaust manifold and that the IMI had them on the opposite side.
I'm leaning towards the IMI at this point. Cost is relevant for me. I'm not racing nor do I have a high compression engine. It's probably about 9.5 to 1.
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Greg Reid
Palmetto, Georgia
 
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