16 degrees seems extreme. Is that a typo? With an adjustable cam sprocket what improvements did you notice?
On Thu, 15 May 2003, Mark Reda wrote: > Chad, > Try timing the car with the stock chip and set the fuel mixture to stock. > Let the engine warm up and go through a few fan cycles. > Make sure that the ignition timing is set to 6deg advanced. > You'll have the drill that rivet to get at the fuel mixture. > > The chip will adjust the timing advance and fuel mixture by itself. > That's probably why you're hearing the ping. > Adjust the cam timing by getting an adjustable cam sprocket. > As far as I know Garrett makes the chips for TT. If you're still hearing > knocking then contact TT. > > Last summer I was running my 2.0l 16V CIS-E Motronic at 16Deg Advanced and > pulled like a mo-fo all the way to the redline, and wanted to keep going. I > later had to trim the timing back because of some pinging. > > It's safer to run a bit rich than run too lean. > > Hope that helps, > Mark. > > ----- Original Message ----- > From: "Chad Rebuck" <[email protected]> > To: "16v" <[email protected]> > Sent: Thursday, May 15, 2003 4:06 PM > Subject: [a2-16v-list] setting mixture on cis-e motronic > > > > I am going to attempt to verify and adjust the mixture on my 90 jetta 16v. > > It is a cis-e motronic. I am using the info on the following page: > > > > http://www.iders.com/alexweb/vwtuning1.html > > > > I have a tt chip programmed for the tt cams installed now and my car has > > slight ping under load. It has always had a slight ping, barely audible, > > but you can feel the car back off the timing. The new tt chip and cams > > seems to have made it a little more noticible than my old tt chip. I've > > already set the timing for 5 degrees advance and that didn't make any > > difference. Anyone have tips on how to adjust the mixture aside from this > > page? What is the best way to get access to the adjustment screw? Drill > > and thread a small screw into the plug then pull it out? Has anyone done > > this except Alex, who created the help page above? :) > > > > Chad > > > > _______________________________________________ > > a2-16v-list mailing list > > [email protected] > > http://mail.a2-16v.com/mailman/listinfo/a2-16v-list > > For list archives, see listinfo link above. > > > > _______________________________________________ > a2-16v-list mailing list > [email protected] > http://mail.a2-16v.com/mailman/listinfo/a2-16v-list > For list archives, see listinfo link above. >
