C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Did I blow up something?

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Old Sep 28, 2023 | 06:18 PM
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lars
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From: At my Bar drinking and wrenching in Lafayette Colorado
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Excellent!! One big problem solved! - Good job!!

So, now, once you get (what I believe to be) your starter problem fixed, stick your finger in the spark plug hole on #1 and have someone "bump" the starter until you feel air pushing forcefully past your finger. That will be the compression stroke. Manually rotate the engine as needed on that compression stroke to align the line on your balancer with the 12-degree mark on your timing tab, and then verify that your distributor, in that position, is installed with the firing tab on the rotor pointing towards the location of the #1 plug wire tower in the distributor cap. If it's pointing to the #6 tower, your distributor is installed 180 out of whack. E-Mail me for my distributor installation tech paper if you need it and let me know if you have HEI or standard points distributor so I send you the approriate paper. Then, finally, set your timing up properly as outlined in my papers using a dial-back timing light.

Lars

Last edited by lars; Sep 28, 2023 at 06:28 PM.
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Old Sep 28, 2023 | 07:04 PM
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Originally Posted by lars
Excellent!! One big problem solved! - Good job!!

So, now, once you get (what I believe to be) your starter problem fixed, stick your finger in the spark plug hole on #1 and have someone "bump" the starter until you feel air pushing forcefully past your finger. That will be the compression stroke. Manually rotate the engine as needed on that compression stroke to align the line on your balancer with the 12-degree mark on your timing tab, and then verify that your distributor, in that position, is installed with the firing tab on the rotor pointing towards the location of the #1 plug wire tower in the distributor cap. If it's pointing to the #6 tower, your distributor is installed 180 out of whack. E-Mail me for my distributor installation tech paper if you need it and let me know if you have HEI or standard points distributor so I send you the approriate paper. Then, finally, set your timing up properly as outlined in my papers using a dial-back timing light.

Lars

Whohoo
I had my asst bump starter while I got down near the starter.. I do indeed believe it's the culprit.
More to come!
Thanks again Lars!!

ps. I'm holding a virtual Guinness...
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Old Sep 28, 2023 | 10:15 PM
  #23  
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lars
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From: At my Bar drinking and wrenching in Lafayette Colorado
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Yeah, I've heard starter grinding a few times before in my life, and that's exactly what it sounded like, so we nailed that one with ease.

When you pull it out (or tighten it up if it's loose) make sure you inspect the teeth on the ring gear to make sure it hasn't chewed them up badly. You can get away with a few defects, but if the starter has completely rounded them off and chipped off teeth, you're going to have to do a flywheel/flexplate replacement. That would suck.

Lars
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