Timing Mark - Team Camaro Tech
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post #1 of 9 (permalink) Old Oct 28th, 02, 02:28 PM Thread Starter
 
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Just finished replacing the aftermarket HEI that was on my 69 302DZ when I bought it with a 1111481 distributor. Did not check timing before removing old ignition system but car ran fine. Started right up upon restarting with original style ignition, problem is when trying to move distributor to set within spec timing, engine dies. Runs fine at about 30 degrees advance but can not set to spec timing mark. Have checked for TDC and mark is correct with scale. Vacumn advance plugged. Any suggestion?
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post #2 of 9 (permalink) Old Oct 28th, 02, 03:19 PM
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Did you set the dwell to 30* first?

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post #3 of 9 (permalink) Old Oct 29th, 02, 12:48 AM
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Did you check for timing chain slack? Could have jumped a tooth.

Distributor may be off by one tooth.

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post #4 of 9 (permalink) Old Oct 29th, 02, 02:23 AM
 
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When you said you checked the timing mark, did you actually check it in relation to #1 piston? The reason I asked is that the outer ring can "slip" on the balancer. There by giving you a false reading."Set it where it runs good"! (Or you could sell me that "no good" 1111481) lol John
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post #5 of 9 (permalink) Old Oct 29th, 02, 05:21 AM
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John (69DZ) put an ad in the wanted section on our site. www.camaros.net/ads/wanted it just might turn up something for you!!

I'm inclined to go with the dwell setting as well. Are you running the resister wire so you aren't running the full 12 volts?

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post #6 of 9 (permalink) Old Oct 29th, 02, 10:43 AM
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what do you mean by not running the 12 volts?
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post #7 of 9 (permalink) Old Oct 29th, 02, 11:28 AM
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With points distributors the voltage to the points is reduced to keep from burning them out prematurly. Our old cars came stock with this resister wire and it usually gets removed when an HEI is swapped in. The HEI requires the full 12 volts.
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post #8 of 9 (permalink) Old Oct 29th, 02, 12:49 PM
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is it possible to have the dist off a couple of teeth to make it hard to time, i thought the dif would be taken up when you move the dist in the motor
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post #9 of 9 (permalink) Old Oct 29th, 02, 02:45 PM
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Not really, no such a thing as being a tooth off. The way the dist fits into the oil pump drive only allows for 2 positions for the dist to fit. You can turn the body any amount you want and all it does is add or remove advance. You can, turn the body so far when installing it that it is physically not able to turn to a position where the timing is in the ball park and that is what is happening when guys say it's a tooth off.
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