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daniel, please put in a higher octane fuel first. then if you still have issues, retime it. > > From: "Daniel Baum" <daniel@type34.info> > Date: 2005/06/10 Fri AM 11:01:18 EST > To: <type3@vwtype3.org> > Subject: Re: [T3] Engine noise > > >> > Detonation. Try backing your timing off about 2-3 degrees. > >> > >> OK. I did that. It is now timed at 0 degrees, which is actually by the > >> book > >> for a 69. The timing light shows 29 degrees of maximum advance with the > >> vacuum hose disconnected. Before it was timed at 31 degrees. > > > > Okay, I didn't know that you were trying to run more advanced timing than > > suggested. > > It's not really a question of "trying to run a more advanced timing than > suggested". At first I timed it to 7.5 degrees BTDC, because that is where I > was led to believe that it should be timed. > > After that I noticed in one of the books that a '69 is supposed to be timed > to 0 degrees. When I tried this, however, it seemed very flat and wanted to > stall all the time, so I readvanced it. At that time I bought an advance > timing light, and was told (I don't remember whether it was here or on the > Type 34 list) that as long as total advance is under 32 degrees, I should be > OK, so I timed it to 31 degrees total advance. This worked out about 3 > degrees BTDC static. It ran much cooler and seemed much happier. That is how > it was timed until this morning, when I retarded it further. This time it > seems to go OK, but I had to raise the idle speed. I don't know what I did > wrong the first time I tried this, or what I did right this time. > > There is a further reason that I was not sure about the correct timing. I > don't have a stock distributor. Mine is a "T", which was meant for the 69 > MT. The 69 AT dual carbs apparently had an "S" distributor. I don't know > anything about it other than that, but that could be part of my problem. > > Daniel > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Brian Fye-- http://www.geocities.com/menacefye 64 Notchback, 64 Notch Speedster, 67 Squareback, 73 Squareback, 74 412 Squareback Automatic