Requote one of your sentences to clarify response: > Increasing octane may help because higher octane fuels take longer to burn. Andrew specifically stated he was "knocking" on 93 octane, and was about to try some 104 octane racing fuel. I still think he's over advanced. Bill Robertson #5939 >--- In DMCForum@xxxxxxxxxxxxxxx, Martin Gutkowski <webmaster@xxxx> wrote: > I didn't even read Andrew's original e-mail. I was replying ONLY to your > comment, pointed out to me by another list member of: > > "Most performance engines are timed closer to TDC, not advanced. Moving > spark earlier in stroke lowers power." > > That's a very sweeping statement. Moving spark earlier in stroke loses > power eh? QUALIFY your statements. Retarding usually loses power unless > talking different fuels, advancing increases it until you get into > preignition. No idea why your Ford lumps produced less hp with more > advance but it sounds fishy to me - I wouldn't take this one case > reference as evidence to the contrary of internal combustion engine > principles. > > Don't talk about valves rattling as rpms increase - that can be > interpreted as any number of things. What you're talking about has a > very good one-word name - KNOCKING. Over-advancing causes knocking - > there. 4 Words. > > Increasing octane may help because higher octane fuels take longer to burn. > > I've taken apart Renault 30, Volvo B28E and DeLorean dizzy's. All different. > > Martin To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx _____ 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/> .
<<attachment: winmail.dat>>
Back to the Home of PROJECT VIXEN