Im new on the ford forums here and i was wondering if some of you seasoned vets can help. I have a 78 bronco with a 351M. its starts unbelievably well when its cold. but when the engine is warm and i shut it off to talk to someone or do something for 5 minutes the engine won’t start again. We’ve made sure its got spark and fuel. think maybe its the timing chain too far gone and needs replaced? someone suggested putting a manual choke in it. its becoming a more and more reoccuring problem and…