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SuaveGato's avatar
SuaveGato
Explorer
Sep 13, 2014

And my sad Generac Generator saga continues…

I originally started this post 2 years ago and the topic is now closed but it can still be viewed here: Original thread that is now locked Here is the current update: So here is the full update,...
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Powerdude's avatar
Powerdude
Explorer
Sep 16, 2014
Most propane sold in the US has quite a significant percentage of butane.

Butane boiling point is 30.2 F
Propane boiling point is -43.2 F

If you have a 50%/50% mix (really common), at slightly below freezing temperature, you won't get enough vaporization (i.e. fuel to the carburetor).

See here.

Not the generator's fault. Chemistry is working against you.

Ask for a 70% propane, 30% butane mix or lower. Most places have no clue what they are selling.

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