Many distributors use ported vacuum for idle - that is no vacuum. Seems to help with idle smoothness. Immediately off idle has vacuum again. Ken Quoting Tom Jennings <tomj@xxxxxxx>: > > TRY AGAIN!!! > > On Sunday the idle on the 63 American got a bit bumpy. 4000 or so miles > on the plugs, thought it was time for a look-see. Tightened all the > screws on the carb real tight. (Just kidding, tweaked idle mixture > lean-drop.) Did a compression check since all the plugs were out... > > Man, I can't believe this car was gonna be parted out. > > Compression is 135-145 all cylinders, except #6 was 130. Have to drag > out my notes to see what it was in the spring, but if anything, it's > improved. > > The plugs were *perfect*. No ash, completely consistently faint beige. > Gaps had all opened to about .042, I dropped 'em back to .035 - .040. > Like textbook perfect. > > It seeps oil all over! Rear seal drops a puddle of a dozen drops over > night. It may be that it's worth dropping the pan to shut that stuff off > and see if I can pull that Best rear seal in. Never did that before! > > > > I gotta get the ignition timing under control. My hacks to the > distributor gives me too much advance under 1600 or so, (bumpy from > advance) but pretty good at 1800-up. Knocked it back to 6PBTDC static > (was 8) and that did it (with vacuum it's like 25 degrees at idle!) I > can't get enough mechanical range out of it. I really need to make a > junkyard run for an HEI distrib (will I find one out there?) small TBI, > a MAP sensor to play with, and who knows what other fun stuff. > > > > PS: If you're in Los Angeles 1 Nov Saturday I'm having a big lab rummage > sale! Kold War Krap. http://wps.com/temp/regime-change.html. > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list > _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list