Retarding the spark will lose you power from a engine running fine Advancing the spark from an engine working fine will cause pre-ignition. Your statement was too sweeping. Dialling in more advance to the point where you get knocking, then retarding by half a degree is exactly how we tune up our performance engines. I didn't actually notice your original comment until it was forwarded by a friend in the same camp as me together with an appropriate exclamation. Martin content22207 wrote: >I consider my 11:1 460 a "performance engine". My 8.5:1 dumbed down >versions are nice, but definitely not performance. > >Aren't you the same person who jumped all over my case for advancing >my R30/Z7V just a hair when it was pre-detonating on that 89 octane fuel? > >Make up your mind -- am I in violation for advancing or retarding the >poor thing? Or do you just not want me to touch the distributor at all? > >Bill Robertson >#5939 > > To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx Yahoo! Groups Sponsor ADVERTISEMENT <http://rd.yahoo.com/SIG=12cfmmrfn/M=266841.4316200.5507732.1261774/D=egro upweb/S=1705126215:HM/EXP=1071940051/A=1911859/R=0/*http://www.lifescapein c.com/picasa/landing.php?capid=222&caId=1988> click here <http://us.adserver.yahoo.com/l?M=266841.4316200.5507732.1261774/D=egroupm ail/S=:HM/A=1911859/rand=389411075> _____ Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/DMCForum/ * To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx <mailto:DMCForum-unsubscribe@xxxxxxxxxxxxxxx?subject=Unsubscribe> * Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> .
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