Rock Chuck,
The only fuel I have used in my stoves is the MSR ISOPRO all-season fuel blend. That might be why I am able to make that Jetboil work Ok at low temps?

As far as the altitude is concerned I have run the stoves up to about 12,500 feet and they work OK, though not as well as at 5K.

Last edited by 340boy; 03/27/18.
"For joy of knowing what may not be known we take the golden road to Samarkand."
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