[chickenmanq]

Hey, I'll guess too! &nbsp;<img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/smile.gif" border="0" valign="absmiddle" alt=''> &nbsp;I imagine the benefits for two cams instead of one is to better control the valves. &nbsp;You split the work effort, and allow the engine to breath better, and breath more differently with two cams instead of one. &nbsp;However, that's also extra weight with the extra hp, and extra complexity. (One more part to break) &nbsp;It may also have something to do with the number of valves, or the way they're configured. &nbsp;I don't think they differ between SOHC and DOHC (?), but largely engine configurments require different operating structures. &nbsp;It may have had something to do with monitoring emissions too. &nbsp;Lotsa variables for why they changed it. &nbsp;Could be just because people think more is better, so they added one. &nbsp;Any engine builders out there that have more info?

And yeah, the difference will be negligable in stock form. &nbsp;In modded, the DOHC may have a better high end depending on what lift and duration the cams have, however, they're still going to be remarkably close until you pass the base mod point.

In any case, SOHC's rule!!!!!!! &nbsp;Long Live Eleanor!