Good grief no -- have never stated such. "Advanced" means "farther" from TDC. Show me where I *EVER ONCE* stated otherwise... Message #7174 clearly states I moved spark 2 degress *FARTHER* from TDC to stop valve knock on my high compression 460 (did you bother to notice I'm running straight 93 through it now, otherwise would have left 2 degrees *CLOSER* to TDC with octane boost...) Message #7159 clearly states Martin and I use same terminology -- differ only in claimed action of spark wherever is located. Perhaps would be best if you avoid posts from my nic in future. Obviously don't read them very closely anyway. Here's a little jewel from my new Volvo documentation been reading all night (B28F Manual, Section 2, Group 26, Page 21): "When the ignition advances the engine efficiency increases and the combustion temperature decreases." Guess you're going to claim the Swedes don't know what they're talking about either, huh. Predetonation is an uncontrolled explosion. Why do you think spark gaps are specified? To control flame propogation. Pertronix advises with its coils not to exceed manufacturer's maximum gap more than .05". Is better to shoot spark sooner than to let mixture combust on its own. What in the world do you think those advance mechanisms are doing on distributor anyway? Preparing to close this post just saw your first sentence below again. Irritates ever living mess out of me to have someone claim I said something I never said. Can I start doing same for you? And I extend offer for ANYONE to stop by my driveway for real live demonstrations. Or are you going to claim I've mounted all my harmonic balancers backwards? Geez... Bill Robertson #5939 >--- In DMCForum@xxxxxxxxxxxxxxx, Jim Strickland <ihaveanaccount@xxxx> wrote: > Jeez checksix, > > throw us a bone here or something. It's such a simple argument, but > regardless of the # of URLs supporting Martin, Bill maintains that > "advanced" is closer to TDC than "retarded" (assuming we're BTDC). > > FWIW, It may have been (unknowingly) something that Bill had previously > posted that made me initially agree with him about which was which. > > We all agree that advanced timing can cause detonation. > I think that, from the layman's view, it makes sense that the later the > plug sparks in the cycle would increase the probability of detonation > through a 'dieseling' effect. > > From everything that everyone says (except Bill), when the spark plug > sparks earlier, the chances of detonation increases. Why the hell is > this? "Knocking" can be caused by the flame propgating too quickly in an > advanced engine-- but what causes preignition, an uncontrolled explosion > in the cylinder? Does this happen before the advanced spark due to > elevated head in the cylinder or after the advanced spark due to ignition > delay or misfire? > > These are all questions that I haven't found answers to yet... > > Jim > > > On Wed, 22 Oct 2003 02:00:48 -0000 "checksix3" <jetjock11@xxxx> > writes: > > Amazing...absolutely amazing. It's indeed inspriring. Why would > > anyone look elsewhere when there is the clarity and depth of > > knowledge regarding basic internal combustion principles as > > demonstarted by those few special people here. > > > > > > ------------------------ Yahoo! Groups Sponsor > > > > To unsubscribe from this group, send an email to: > > DMCForum-unsubscribe@xxxxxxxxxxxxxxx > > > > > > > > Your use of Yahoo! Groups is subject to > > http://docs.yahoo.com/info/terms/ > > > > > > > > > ________________________________________________________________ > The best thing to hit the internet in years - Juno SpeedBand! > Surf the web up to FIVE TIMES FASTER! > Only $14.95/ month - visit www.juno.com to sign up today! Yahoo! Groups Sponsor ADVERTISEMENT <http://rd.yahoo.com/M=194081.4074964.5287182.1261774/D=egroupweb/S=170512 6215:HM/A=1706996/R=0/SIG=11p5b9ris/*http://www.ediets.com/start.cfm?code= 30509&media=atkins> click here <http://us.adserver.yahoo.com/l?M=194081.4074964.5287182.1261774/D=egroupm ail/S=:HM/A=1706996/rand=199657467> To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> .
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