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Engine timing
#1
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CORSASEVEN
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Thanks to those of you that have tried to help me with starting my 38 for the first time. I have done everything that has been suggested with no luck. Now I' m thinking maybe I should experiment with the timing. I cannot seem to make any sense from the shop manual on how to set the timing. This is my first time attempting to set the timing in a car older than a 1965 year model. Help please !!

Posted on: 2014/10/18 15:41
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Re: Engine timing
#2
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Owen_Dyneto
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Just to be sure the distributor is not 180 deg. off, go back to fundementals. Remove at least #1 spark plug; turn the engine over by hand in it's normal direction of rotation until you feel compression coming out of #1 plug hole and stop on the timing mark or about 4-6 degrees BTDC. If you overshoot, go around TWO full revolutions. Now remove the distributor cap and see if the rotor tip is under #1 plug wire. If not, it will be 180 degrees out - just remove the distributor and rotate the shaft a half turn and reinstall.

Now, without turning the engine, look at the points - they should be just on the verge of opening, or perhaps have just barely opened. If so, the timing is close enough for the engine to start. If not, use a test light, hold the rotor steady to avoid backlash, and rotate the distributor until the points just open - using a test bulb across the points is helpful. Now you should be within a couple of degrees of perfect timing. Once it's running, set it exactly with a timing light.

Posted on: 2014/10/18 16:04
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Re: Engine timing
#3
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CORSASEVEN
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Thank you for your easy to follow instructions. Too bad you didn't write the service manual for Packard, your direction are concise and simplified , I appreciate you taking time to help me.

Posted on: 2014/10/18 22:28
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Re: Engine timing
#4
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Owen_Dyneto
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Too bad you didn't write the service manual for Packard

Thanks for the nice words, but let's remember the audience that the shop manual was written for - Packard owners didn't tinker with their own cars - the manual was primarily for the shop mechanics who understood the fundamentals and a whole lot more.

Posted on: 2014/10/18 22:55
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