Motor missing
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- Sergeant Major of the Gee
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Motor missing
We have 120 lbs. on each cylinder idles smooth but have a miss on no. 3 when we rev it up!!! New plugs new wires new cap new carb valves look like they are all working. Any help on this one would be appreciated. Thanks jim
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- G-Sergeant Major
- Posts: 191
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Re: Motor missing
Assuming you have checked for consistant spark on #3 while it is running. With insulated pliers can pulled the wire off the plug while running to see how much it effects the idel running. If only minor difference, may check the following:
Try cleaning plug threads and seat to make sure you have a good ground.
May also try swapping #3 wire with another cylinder to see if miss follows, if not, do same with the plugs.
Make sure no play in your distributor bushings. Could cause a miss. Not sure if that could bring a random or consistant miss.
Just a few ideas. It's all a process of elimination.
Good luck.
Try cleaning plug threads and seat to make sure you have a good ground.
May also try swapping #3 wire with another cylinder to see if miss follows, if not, do same with the plugs.
Make sure no play in your distributor bushings. Could cause a miss. Not sure if that could bring a random or consistant miss.
Just a few ideas. It's all a process of elimination.
Good luck.
Military:41 WC-1, 41 WC-3, 43 MB, 43 WC-62, 52 M37
Civilian:31 Model A, 41 Pontiac, 56 Chev, 66 Mustang
Civilian:31 Model A, 41 Pontiac, 56 Chev, 66 Mustang
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- G-First Lieutenant
- Posts: 646
- Joined: Sat Jun 02, 2012 1:21 pm
- Location: N.E. Ohio
Re: Motor missing
The manual states one of the things could be improper valve adjustment. But, you do have good compression. John
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- Sergeant Major of the Gee
- Posts: 275
- Joined: Fri Sep 05, 2008 1:39 pm
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Re: Motor missing
Talked to an old Willys Jeep dealer. He said I can tell you right now wats wrong. !! The rocker arm tube and rockers are worn out. he was 100% right with lots of play the whole thing jumped all over and throws off the time.
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