Do you have DMC Houston's engine upgrade? If so, perhaps you should contact Houston and ask there advice. If they changed the cam, they would be the ones to know what RPM to set the idle at. Just a suggestion. Scott Mueller 002981 RNDOLA -----Original Message----- From: Andrew [mailto:aos+yahoo@xxxxxxxx] Sent: Monday, December 22, 2003 4:55 PM To: dmcforum@xxxxxxxxxxxxxxx Subject: Re: [DMCForum] Re: Andrew's Idle A little more information about my idle... Today I drove around for a while (with the idle microswitch disabled) and was idling very nicely at a manually set 995 rpm. I decided that upon getting home, I would see what happens at idle under heavy electrical load, so I pulled into the driveway and turned on the headlights and air conditioner with the fan at maximum, and the engine started hunting +/- 500 rpm or so. Is this evidence of a non-ECU-related problem, or is it simply typical behavior of a manually set idle that's being dragged down by heavy load? Something else occurred to me... This engine really doesn't like idling below 995 rpm because of the hot cam. If I get a fixed idle ECU, won't it try to idle my engine at 775, which isn't enough to run well? For that matter, is it possible that my idle ECU is, in fact, properly trying to idle at 775 and that's low enough that the engine starts to hunt just like the manually set idle under heavy load? I could be totally off-base with both of these ideas, but these are just some things I've been thinking over. What's involved in getting the ECU to control idle at something other than 775 rpm? I am reasonably good with electronics and I'm not afraid of soldering PCBs... -andrew _____ 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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