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Technical / Re: Weak engine and mysterious behavior
« Last post by Scott Montoney on February 09, 2020, 06:22:01 PM »For what it's worth, here is a story I hate to admit, about a mistake I made once when setting the timing on my car.
I don't know what the specification is for your car, but mine stated in the shop manual, 5 degrees AFTER Top Dead Center.
I set the timing to that and had similar results to yours plus my engine ran very hot.
The problem that I induced was that the timing was to be set to that value STATIC, not running and with a timing light.
When, I set it exactly like the shop manual said, with a test light bulb/volt meter, it ran MUCH better, and cooler.
When I then hooked up the timing light, it turns out the setting, while running, was actually in the 10-15 degree BEFORE TDC range.
So. . . just be sure your timing value is appropriate for the measurement method you are using.
I don't know what the specification is for your car, but mine stated in the shop manual, 5 degrees AFTER Top Dead Center.
I set the timing to that and had similar results to yours plus my engine ran very hot.
The problem that I induced was that the timing was to be set to that value STATIC, not running and with a timing light.
When, I set it exactly like the shop manual said, with a test light bulb/volt meter, it ran MUCH better, and cooler.
When I then hooked up the timing light, it turns out the setting, while running, was actually in the 10-15 degree BEFORE TDC range.
So. . . just be sure your timing value is appropriate for the measurement method you are using.
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