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Unread 07-31-2013, 08:20 AM   #841
2Xtreme
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1979 CJ7 
 
Join Date: Dec 2003
Location: Schenectady, NY
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Quote:
Originally Posted by scrapman View Post
Did you check to see if you mechanical advance (the thing with the weights) was moving freely?

You should be able to turn it clockwise (stretching the springs) so that the stop moves from one side to the other side of the 16R opening.
Yeah... all was good.
Was hoping for a simple fix.
But alas, no luck...

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Unread 08-09-2013, 06:22 AM   #842
2Xtreme
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Ummm........ am I stoopid?

Ummm......

So. I was prepping the replacement engine I bought from BigJoe for a quick coat of paint before swapping it in, when I noticed the CTO and it's 3 vacuum ports staring me in the face. Hmmm.... vacuum ports.

I decide to check the problematic engine that is still in the CJ to see if the PO had left the CTO installed.

The pics below are what I found.
The first pic is the CTO located toward the front of the motor.
The second pic is located toward the back of the engine, but I have no idea what it is.

Could these have been the source of the knocking?

CTO:


OTHER:
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Unread 08-09-2013, 07:17 AM   #843
Matt1981CJ7
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2X,

It's not likely the CTO was the problem. With no vacuum supplied to it, there's little chance of a leak. As it sits, it's just a plug in one of the coolant passages.

Matt
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Unread 08-09-2013, 09:26 AM   #844
2Xtreme
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Quote:
Originally Posted by Matt1981CJ7 View Post
2X,

It's not likely the CTO was the problem. With no vacuum supplied to it, there's little chance of a leak. As it sits, it's just a plug in one of the coolant passages.

Matt
Thanks.
That makes me feel better.
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