geordie_aaron Posted June 13, 2005 Share Posted June 13, 2005 Forgetting about performance figures or CC or sizes of valves ETC ETC Whats the difference between a 'zetec' and a RS lump? they are both double overhead cams aint they? Link to comment Share on other sites More sharing options...
RobMk6 Posted June 13, 2005 Share Posted June 13, 2005 yes unless u mean RST lump which is obv 8v, just the overall layout of the engine, better valvetrain setup piston shapes etc its the same as why is 1.6 honda quicker than a 1.6 ford, just different designs Link to comment Share on other sites More sharing options...
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