Hot engine won't start?

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   Have a DewEze Bale Mobale (aka, hay monster) that starts and runs fine. Unless you manage to kill it when hot. Then it won't start. An other wise fully charged battery can barely turn it over. But give it a couple hours to cool down and she turns over and starts right u. 

Engine is a 318 Chrysler........with carter 2 barrel carb.......from early 70's. Hay monster built on Dodge D600 truck chassis. Aside from the hydraulics, more or less a stock truck.

Any ideas on why it won't start? Carb vapor locked maybe? 

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modirt Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 18 Jul 2018 Location: Missouri Points: 8432	Post Options Post Reply Quote modirt Report Post Thanks(0) Quote Reply Topic: Hot engine won't start? Posted: 6 hours 50 minutes ago at 12:04pm
	Have a DewEze Bale Mobale (aka, hay monster) that starts and runs fine. Unless you manage to kill it when hot. Then it won't start. An other wise fully charged battery can barely turn it over. But give it a couple hours to cool down and she turns over and starts right u. Engine is a 318 Chrysler........with carter 2 barrel carb.......from early 70's. Hay monster built on Dodge D600 truck chassis. Aside from the hydraulics, more or less a stock truck. Any ideas on why it won't start? Carb vapor locked maybe?

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steve(ill) Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 11 Sep 2009 Location: illinois Points: 86675	Post Options Post Reply Quote steve(ill) Report Post Thanks(0) Quote Reply Posted: 6 hours 28 minutes ago at 12:26pm
	or a bad coil / condenser... break down when hot... Since it does not DIE when hot, just not RESTART , vapor is a good guess.... Maybe start in ether ?
	Like them all, but love the "B"s.

TedN Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 30 Apr 2025 Location: Central WA Points: 48	Post Options Post Reply Quote TedN Report Post Thanks(0) Quote Reply Posted: 5 hours 60 minutes ago at 12:54pm
	I would guess you are getting voltage drop between battery and starter, a voltage test at the starter while cranking will tell you. get a set of test leads (I have a Maddox 30' set from Harbor Freight, under $20) so you can check from the starter housing to the positive lead. What I have most commonly found is the ground isn't sufficient when hot. A lot of older vehicles used an open weave ground cable that gets to the point it doesn't conduct well. If you don't have a test meter or just want to try an easy way to test for a bad ground, hook jumper cables from the negative terminal on the battery to the engine block when it doesn't start and see if that helps. You could have other issues, but the bad ground is the one I have seen the most. Ted
	190XTD seriesIII, 190XTD seriesI, maroon belly 7000, 190XTD series??? project(or maybe parts)

modirt Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 18 Jul 2018 Location: Missouri Points: 8432	Post Options Post Reply Quote modirt Report Post Thanks(0) Quote Reply Posted: 4 hours 46 minutes ago at 2:08pm
	Now that I think of it, there may be another cause/fix. The fuel line from the fuel pump is now exposed. Somebody had wrapped it with a glass mat insulation and black tape, but that is now gone. I have some insulation tube that I forgot to install. That may help. It also may not help that the radiator and fan are mounted up high and remote. No cooling fan on the motor block itself, so no help for the fuel line. Ground could also do it, but this one has black battery cable running directly from battery to the chassis frame. Previous owner told me he was also looking for a coil, so that may help too. Can't ever recall any farm truck.....once it was running and warmed up......not starting.

Tbone95 Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 31 Aug 2012 Location: Michigan Points: 12075	Post Options Post Reply Quote Tbone95 Report Post Thanks(0) Quote Reply Posted: 4 hours 29 minutes ago at 2:25pm
	Just doesn’t seem like stuff like fuel line insulation, coil, condenser would have anything to do with barely being able to crank it. Ground going bad or something seizing.

AveryD12 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 05 Mar 2018 Location: Foxworth.MS Points: 132	Post Options Post Reply Quote AveryD12 Report Post Thanks(0) Quote Reply Posted: 3 hours 37 minutes ago at 3:17pm
	I had similar issues with a Chrysler product. When the engine got up to operating temp and it had run for an hour or so it wouldn’t restart until it cooled down. Found it to be a bad starter. Don’t know if this could be your problem or not. Avery

Joe Goodwill Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Access Joined: 12 Sep 2009 Location: Souris Manitoba Points: 89	Post Options Post Reply Quote Joe Goodwill Report Post Thanks(0) Quote Reply Posted: 1 hour 36 minutes ago at 5:18pm
	Mid 70’s Chevy 454 would get tight and hard to turn over if you shut it down quick after running hard and temp was up. Never figured it out but that thing was sure hard on back tires!!😳

Ed (Ont) Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 08 Nov 2009 Location: New Lowell, Ont Points: 1470	Post Options Post Reply Quote Ed (Ont) Report Post Thanks(0) Quote Reply Posted: 4 minutes ago at 6:50pm
	Certainly sounds like a bad starter. Slow to turn hot usually indicates starter problem. But check all your cables and connections as well and battery condition. If that starter is 50 years old it has done well!!!! Gear reduction starter on that?? Chrysler used those a lot.