Sean: My book calls for timing 4 to 6 degrees AFTER TDC. If you're really timing BTDC then you're too far advanced. This if for Hall effect distributor. Don't know about points.
On Thu, 4 Jun 1998, Linda Bartnik wrote: > [snip] > > I also learned, while driving on the highway with both windows open that > my engine is pinging quite a bit! I'm not sure if this is a result or > cause of the compression/heating problem, but it was pinging even under > a medium load. I had already retarded the base timing to 4 degrees BTDC > from the stock spec of 7.5 BTDC but the pinging was still going. So I > checked the total advance on my distributor and found it's advancing to > at least 38 degrees BTDC. Does anyone know what the max. advance spec > is for the distributor on this particular Type 4 engine? What can I do > about it? I have a spare distributor that I plan to install to see if > that helps. Is there anything about a distributor that would cause an > over-advancing condition? > --------------------------------------------------------------------- Tom Young young@sherlock.SIMS.Berkeley.EDU Lafayette, CA 94549 '81 Vanagon --------------------------------------------------------------------- |
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