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#1 plug wire location on cap.

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Old Mar 11, 2014 | 02:46 PM
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Default #1 plug wire location on cap.

What is the correct location of the #1 plug wire on the distributor cap?
I know it doesn't matter as long as the firing order is correct but, what is factory correct?

Terminal to the left of the door?
or
Terminal on top of the door?

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Old Mar 11, 2014 | 03:36 PM
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Left of the door. But any post can be used. There is a witness mark on the stock manifolds and the dissy that help align the tach cable.
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Old Mar 11, 2014 | 03:36 PM
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Terminal to the left of the door is factory #1.
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Old Mar 11, 2014 | 03:45 PM
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Originally Posted by BigAl5611
Terminal to the left of the door is factory #1.
Yes.

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Old Mar 11, 2014 | 03:47 PM
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Originally Posted by BigAl5611
Terminal to the left of the door is factory #1.
Left of the door and right of the vacuum advance canister but you can clock the distributor anywhere you want to give the tach cable a straight shot at the firewall hole.
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Old Mar 11, 2014 | 03:51 PM
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Originally Posted by CanadaGrant
Left of the door and right of the vacuum advance canister but you can clock the distributor anywhere you want to give the tach cable a straight shot at the firewall hole.
Agreed.




Last edited by Paul L; Mar 11, 2014 at 03:55 PM.
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Old Mar 11, 2014 | 04:25 PM
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Thanks guys, after some internet searching I tend to believe you are all correct.
I guess my way of thinking had it wrong.

If you were to start #1 on top of the door (with conventional distributor indexing) only 2 wires would have to pass across the cap, 3 & 2.
The way the factory did it, 4 wires pass across each other, 1/2 & 3/6.

After looking at the picture Paul posted I can see there was a variation in the sequence of the 68 Corvette.

I know I'm way over thinking this, but that's what I do when it's cold and snowy out and have nothing better to do.
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Old Mar 11, 2014 | 05:08 PM
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Here ya go

George

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Old Mar 11, 2014 | 05:33 PM
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Now that is really cool
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Old Mar 11, 2014 | 06:57 PM
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How did Black Magic get his engine to idle so slowly?
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Old Mar 12, 2014 | 09:39 AM
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Originally Posted by jnb5101
How did Black Magic get his engine to idle so slowly?
It's old like me (71 and still a kid)

George
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Old Mar 12, 2014 | 11:37 AM
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That idle rate is about 650 RPD.
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