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EFV-8 Club Forum / General Ford Discussion / 1936 starting problems

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Posted By Discussion Topic: 1936 starting problems -- page: 1 2 3     carcrazy 07-25-2022 @ 8:23 PM reply profile send p.m. Senior Posts: 1597 Joined: Oct 2009 Do not go to an 8V battery. This is a band aid that causes many more problems than it can possibly remedy. carcrazy 07-25-2022 @ 8:20 PM reply profile send p.m. Senior Posts: 1597 Joined: Oct 2009 The results from a Google search for hard starting when hot follow: Bad cell or internal connection inside the battery. Bad connection to a battery terminal, the starter solenoid (either side) or the starter. Starter internally shorted when hot. Here are some other possible causes: Clearances within the engine are too tight when hot reducing cranking RPM. - was the engine recently overhauled? Valve clearances are too tight so valves don't fully close when hot which reduces compression to the point where the engine won't start. Failing coil when hot does not provide sufficient spark to start engine. Vapor lock due to gasoline boiling in the fuel line impeding the flow of fuel to the carburetor. Faulty fuel pump or vacuum leak at top gasket of fuel pump. Leak in fuel line between fuel tank and fuel pump. Fuel line located too close to exhaust pipe allowing fuel to overheat. Two backup items you can carry in the car at all times are starting fluid and jumper cables. Use of these will usually allow you to start the engine unless it has no spark. voced 07-25-2022 @ 5:50 PM reply profile send p.m. Member Posts: 86 Joined: Oct 2009 What should the voltage be at the starter when trying to start the car? I took all the grounds off made sure the paint is gone. Even took the starter off and cleaned all the areas. What about going to a 8 volt battery? It is a shame that I have such a nice car and can't enjoy it, because it might not turn over good enough when I get there. Embarrassing. voced 07-20-2022 @ 5:28 PM reply profile send p.m. Member Posts: 86 Joined: Oct 2009 I have considered rebuilding the original starter, but it did this before I put on the repo starter. However, I think this is another thing to try. I would guess that the windings on the old starter are better than the new repo ones. 37RAGTOPMAN 07-19-2022 @ 6:46 AM reply profile send p.m. Senior Posts: 1942 Joined: Oct 2009 I would swap out the starter, for a original maybe the comutator is swelling when HOT and rubbing against the fields, this is A long shot, I have used CERTIFIED AUTO ELECTRIC in OHIO, for rebuilding starters and GENERATORS I am not a fan of this new repro parts that some vendors are selling, my 2 cents 37Ragtopman , Maine ALSO , when engine is HOT, TRY turning the engine over by hand, you could use the hand crank try it cold and hot, was the engine rebuilt ? voced 07-19-2022 @ 5:38 AM reply profile send p.m. Member Posts: 86 Joined: Oct 2009 I have a cutout switch, but bypassed it and didn't make a difference. Also ran several more clean new heavy grounds. This problem has pulled my hair out. It is worse when hot. I did clean the paint under starter and put star washers on. Thanks again for your thoughts. Jerry 37RAGTOPMAN 07-18-2022 @ 7:15 AM reply profile send p.m. Senior Posts: 1942 Joined: Oct 2009 was wondering if you have a battery disconnect switch ? I had the same problem, and that switch was the problem, now I use a 1/2 inch wrench ALSO do you have a GOOD GROUND going to engine to chassis ? a corroded ground connetion or loose, or to light a cable hope this helps 37Ragtopman marko39 07-18-2022 @ 6:00 AM reply profile send p.m. Member Posts: 40 Joined: Sep 2016 Check voltage at starter when this is occurring. carcrazy 07-17-2022 @ 9:10 AM reply profile send p.m. Senior Posts: 1597 Joined: Oct 2009 Is your starting problem related to temperature? Have you cleaned and tightened all of the electrical connections in the starting system including all of the ground paths? Are there any parasitic drains on your battery when the engine is turned off and not running? Once you have done all of these external checks and eliminated any obvious concerns, if the problem still persists, you will have to look inside each component of the system to locate and repair the cause of the problem. Your battery voltage may not be sufficient to crank the engine at the required speed when your problem presents itself. Check to make sure your generator is putting out sufficient voltage to keep the battery fully charged. Does the slow cranking speed only occur after the headlights have been used? If so, you will have to run the engine long and fast enough with the lights off to adequately recharge the battery for the next start. voced 07-17-2022 @ 4:45 AM reply profile send p.m. Member Posts: 86 Joined: Oct 2009 It starts great if it turns over correctly. My other Flathead Fords don't have this problem, but this one has gave me trouble and I have tried everything. Jerry

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