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Joined: Apr 2020
Posts: 4
Grease Monkey
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Grease Monkey
Joined: Apr 2020
Posts: 4 |
I have a 53 half ton 3100. Converted to 12 volt many years ago. It was idling fine and just cut off. Now I cant get it started. I have spark, even replaced the coil. seem to be getting gas, looked down the down draft carb with the throttle open and I can see fuel in the float bowl? I even poured some gas into the carb. She turns over fine with a fully charged battery but just wont fire. I don't know a lot about points etc and am looking for any suggestion people may have. Is it normal to see fuel like that or is my carb clogged.
thanks for any help.
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Joined: Oct 2009
Posts: 1,294
ChatMaster - 1,000
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ChatMaster - 1,000
Joined: Oct 2009
Posts: 1,294 |
Sounds like it might be flooded. Dirt in needle valve or the float sinking.
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Joined: Dec 2017
Posts: 133
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Dec 2017
Posts: 133 |
Try using some ether to see if it fires at all. If it does, the issue is likely fuel system. If it doesn't the issue is likely electrical.
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'31 Special Sedan
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Joined: Apr 2020
Posts: 4
Grease Monkey
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Grease Monkey
Joined: Apr 2020
Posts: 4 |
Will do, thanks for the advice
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Joined: Apr 2020
Posts: 4
Grease Monkey
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Grease Monkey
Joined: Apr 2020
Posts: 4 |
When I test the new coil it tests at 3.4 across the positive and negative and 7.95 from positive to center. shouldn't that read at least 12?
thanks again
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Joined: Nov 2001
Posts: 19,758 Likes: 64
ChatMaster - 15,000
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ChatMaster - 15,000
Joined: Nov 2001
Posts: 19,758 Likes: 64 |
If the points are closed the coil will only test at a fraction of the battery voltage. If the points are open or have an insulating piece between the points it should test near battery voltage. If less there is a short. If the voltage is okay it doesn't mean the coil is good.
How Sweet the roar of a Chevy four!
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Joined: Apr 2020
Posts: 4
Grease Monkey
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OP
Grease Monkey
Joined: Apr 2020
Posts: 4 |
new coil and plugs and she started right up. Thanks everyone
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