# What made engines stall in the 1930s?

**URL:** <https://boards.straightdope.com/t/what-made-engines-stall-in-the-1930s/843354>\
**Category:** Factual Questions\
**Created:** [November 13, 2019, 3:00am UTC](https://boards.straightdope.com/t/what-made-engines-stall-in-the-1930s/843354 "2019-11-13T03:00:34Z")\
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**Author:** ![Johnny\_L.A](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/johnny_l.a/32/1084_2.png) [@Johnny\_L.A](https://boards.straightdope.com/u/Johnny_L.A)\
**Post date:** [November 14, 2019, 2:34am UTC](https://boards.straightdope.com/t/what-made-engines-stall-in-the-1930s/843354/13 "2019-11-14T02:34:58Z")

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My MGB has a problem in traffic. When it’s stop-and-go, the temperature gauge creeps up. Sometimes I’ll have to turn the heater and blower on – in Summer – to keep it from overheating. After a time, the engine will start running rough and then it stalls. I’d assumed it was the ignition coil or the electronic ignition module balking in the heat.

I wonder now, if I’m experiencing vapour lock. Though it has an electric fuel pump situated in the right-rear wheel well, the carburettors are right above the exhaust manifold.

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