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Unread 10-07-2010, 10:29 PM   #1
ozzieb
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1977 CJ5 
 
Join Date: Oct 2009
Location: oregon
Posts: 90
MSD Module

I just installed a 6a msd module on my 77 CJ 5. Teamrush installed a while ago. Today when I started it up there is a noticeable noise coming from inside the. Dizzy. Like a cricket. It does not stop. Runs great though. No problems. Does anyone else have the same noise?

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Unread 10-08-2010, 05:36 AM   #2
gojeepin
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1983 CJ7 
 
Join Date: Feb 2006
Location: Riverview, Florida
Posts: 3,441
I'm running nearly the same setup without that noise.
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Vibration? Bump steer? Wandering? Read: Steering, suspension, and driveline basics. An article on how it works and where to look for problems.

83 CJ7, 4.1L 6cyl (4.0L bored .030" over), 35" tires, T-5 transmission, Dana 300 TC, Trussed AMC 20.
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Unread 10-08-2010, 08:07 AM   #3
ozzieb
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1977 CJ5 
 
Join Date: Oct 2009
Location: oregon
Posts: 90
When I did the wires I ran them along my valve cover. With the rest of my loom. Could this be the reason? Interference?
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Unread 10-08-2010, 08:39 AM   #4
gojeepin
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1983 CJ7 
 
Join Date: Feb 2006
Location: Riverview, Florida
Posts: 3,441
Did you twist your wires to keep them from picking up induced signals?

If the engine is firing properly I don't think that's a problem...

Your description of crickets inside the distributor sounds like something in the distributor is scraping.
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Vibration? Bump steer? Wandering? Read: Steering, suspension, and driveline basics. An article on how it works and where to look for problems.

83 CJ7, 4.1L 6cyl (4.0L bored .030" over), 35" tires, T-5 transmission, Dana 300 TC, Trussed AMC 20.
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Unread 10-08-2010, 08:49 AM   #5
LSUtiger
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1980 CJ5 
 
Join Date: Nov 2006
Location: Shreveport, La.
Posts: 1,133
Quote:
Originally Posted by gojeepin View Post
Your description of crickets inside the distributor sounds like something in the distributor is scraping.
That's what it sounds like to me also. Have you taken the cap off to see if there is something loose or the rotor touching?
Maybe the dizzy needs to be tightened down.
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1980 cj5 401, t-176, p/s., YJ p/b, tfi/hei hybrid, 3.73 30/44
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Unread 10-08-2010, 09:40 AM   #6
ozzieb
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1977 CJ5 
 
Join Date: Oct 2009
Location: oregon
Posts: 90
The wires are twisted. I called msd. And I guess the trigger wires have to be away from all other wires. I will move them. And try that. Looked at dizzy.nothing touching. If it still makes the noise I will replace cap and rotor.
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Unread 10-08-2010, 03:29 PM   #7
ozzieb
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1977 CJ5 
 
Join Date: Oct 2009
Location: oregon
Posts: 90
I moved the trigger wires far away. Nothing With Votage is near them, still the same noise out of the dizzy. I Replaced the Cap and Rotor even though they are 2 months old. and same noise. I guess its just the noise the jeep makes now that it has a Real Module :-) Runs Great ! I left the Old Duraspark Wires In play Just For a Back Up.
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