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Need help timing My d-17 engine

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John C

10-24-2002 17:02:33

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I just installed an Electronis Ignition from Genesee Products. Now I have a few questions. I started it up after putting in the electronic ign and it runs ok, but it is a little louder then usual. I also saw that i have a oarnge glow at the tip of the muffler when it is running. The instructions say that you may need to set the timing. As i have never done this before i could use some helpful advice. also am i on the right track here thinking the timing is off? Thanks

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10-25-2002 13:14:15

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 Re: Need help timing My d-17 engine in reply to John C, 10-24-2002 17:02:33  

Since the engine runs, this would indicate that you probably dropped the ignition unit correctly.

To do this job right, you need a timing light--available at parts houses, sears, walmart, etc. Connect light to battery and induction wire to #1 plug wire. There should be a hole in the flywheel housing right side. Bump engine over until you see a timing notch on the flywheel. I paint the mark with "white-out" to make it easy to see with the timing light. Crank engine and run up to 1600 RPM. Squeeze the "trigger" on the timing light and aim it at the timing hole. The timing mark should be visible in the center of the timing hole in the housing when the #1 plug fires--which in turn lights the timing light. If it's not, loosen the nut and turn distributor until the mark appears in the center. Retighten nut when the timing is adjusted. The orange glow you mention indicates too much advance and pre-ignition is occuring--meaning the spark plugs are firing while the pistons are still on the upstroke but before the specified advance point of 25 degrees BTDC. A red-glowing exhaust manifold is normal on a heavily loaded engine that's been running awhile, but not on one idling or under light loads. The extra noise may be a fuel knock which occurs when the combustion explosion occurs before it should. Continued operation in this condition will melt holes in aluminum pistons. Hope this helps.

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