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Re: 1937 Super 8 not restarting when hot
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Home away from home
 
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I am leaning on the carburetor issue as well.
An easy way to check that is to turn off the engine when it it hot, remove the air cleaner and see if a faint vapor mist exiting out the the top of the carburetor. If it does that, then you have gas dripping into the carb while it is off and flooding the engine. Gar
Posted on: 10/9 9:05
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Re: 1937 Super 8 not restarting when hot
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Home away from home
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I have electric fuel pumps on all my cars to fill the carb after sitting a long time. It saves the starter and the battery.
It is also beneficial on hot days down here in Texas when you stop at a long traffic light. Starting up, I would always have a vapor lock. 3 second blast from the elec pump and the line would be cleared.
Posted on: 10/9 11:38
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Re: 1937 Super 8 not restarting when hot
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Not too shy to talk
 
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I checked the fuel level in the bowl, it was right on. The timing was at 7, so I retarded it to 10. I pulled the air cleaner and the carb was clear. Pic shortly after shutting down. I then went to restart it with no luck. I then grabbed the ignition coil and it was hot enough, I couldn't keep my hand on it. Next test will be the resistance of the coil, both cold and hot to see if it is failing when hot
   
Posted on: 10/9 16:56
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Re: 1937 Super 8 not restarting when hot
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Home away from home
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Sounds like the coil to me. Very similar to the problem I had, though mine would restart easier after cooling for a sufficient time. Napa has replacements, or Dwight Heinmuller also has 6 and 12V coils in stock. Of course Kanter and Max Merritt would have them too.
-Kevin
Posted on: 10/9 17:44
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Re: 1937 Super 8 not restarting when hot
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Home away from home
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Fuel, spark and compression. You've got fuel. Unless the engine sounds noticeably different on trying to start it, your timing system is good. Therefore, spark.
In my experience coils work great, up until the point where they don't. Had a soft-fail on a Ford coil in my old Galaxie, eventually a hard-fail. Weak spark then no spark. Sub in a replacement coil and let us know how it works.
Posted on: 10/9 21:48
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Re: 1937 Super 8 not restarting when hot
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Not too shy to talk
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Tested the coil cold. It's at .9 ohms on the primary when the meeter is set to 200, 4.7 on the secondary when set to 200k
Posted on: 10/11 10:52
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Re: 1937 Super 8 not restarting when hot
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Not too shy to talk
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After checking it hot. The coil went to 1.0 and 5.1 respectively. I am going to stop and get a new coil tomorrow. From what I am finding it should be 1.5 and 8-9. I swapped in another coil that tested the same cold, and the car fired up. Fingers crossed it is the coil.
Posted on: 10/11 14:33
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Re: 1937 Super 8 not restarting when hot
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Home away from home
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Resistance would normally increase when hot. However, that does not eliminate the coil as a possible cause.
Posted on: 10/11 15:07
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Re: 1937 Super 8 not restarting when hot
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Home away from home
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I'd suggest changing the condenser for the points, if this hasn't been done already. A common failure mode is a failure when hot.
Posted on: 10/12 7:27
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