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T
What fuel for 404?
Mercunimog404, great info! Maybe that electric pump was why MB put the extra little drain plug in one tank?- tennmogger
- Post #22
- Forum: Unimogs
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T
What fuel for 404?
Heat is certainly a factor but the best solution is to pressurize the gas all the way from the tank to the carb. Adding an electric pump at the tank is a start. But, both tanks feed from the top. The gas has to be drawn up to reach the pump and the gas vaporizes right there inside the draw...- tennmogger
- Post #19
- Forum: Unimogs
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T
What fuel for 404?
Vapor lock is caused by the liquid gasoline becoming a gas or vapor. The typical fuel pump can't pump it, and the gas cannot be 'pulled' out of the tank. The old gasoline 404 Unimogs have an on-block mechanical fuel pump and the gas has to be pulled many feet from the tanks, through filters...- tennmogger
- Post #16
- Forum: Unimogs
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T
What fuel for 404?
I've got three 404 Unimogs with the low compression M-180 engines and they have been burning regular ethanol-additive gas for years. No problems. Sure I prefer ethanol-free gas but it's not always available. A buddy in Knoxville uses a 404 mog as a daily driver and he runs lowest octane...- tennmogger
- Post #13
- Forum: Unimogs