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George,
Please don't take this personally, but the OHC engines are superior to the OHV's in almost every way conceivable. More powerful, lower emissions, better fuel economy, and improved reliability. We have one of the "infamous" early B230s, and even with its smaller main bearings (as compared to the B23) it has performed flawlessly for in excess of 250k miles now. I wonder how many cams (and cam gears!) and valves a B18/B20 would have gone through in that time.
Please don't yell at me too loud. :-)
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