Quote:
Originally Posted by trularin
Propane is more of a gas when it is hot than when it is cold.
I think you are so lean when the engine is hot, the engine can not fire the vapor.
Because the manifold and engine parts are warm, the gas thins out making it necessary to have more to get the same as when it is cool or cold.
Just my opinion.
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I think you are probably right on. Now how to cure the problem? Everything is new and within spec. Carb/mixer, regulator, hoses, shut off valve , everything. I follow the theory of vacuum in the engine breaking the 3rd stage of the regulator. The motor has 180 lbs. plus compression. There is plenty vacuum at the carb during cranking. I still keep coming back to a fuel volatility issue.
John