allright all you chemistry majors ---

is there a point at which intake air temp can be so low that it's destructive? i mean, if you're out in alaska and the outside temp is -20, provided you get your car started, is the air too cold for intake?

we all know that the colder the air, the denser the air, the more the air, the better... but at what point does low temp become a problem?

 

No, actually it would be about -25 or -30F that would be bad. At this tempature gasoline will not atomize, but will stay in pure liquid (droplet) form.

It just puddles on top of your pistions and doesn't provide a decent flamefront for combustion. Once you get it started/to fire, the combustion chamber retains enough heat from the previous combustion to keep the gas in atomized/suspended form.

 

if its uber cold you could spray some 'Start Ya Bastard' into the intake with the throttle body open before firing...that should ignite easily and give enough temp for the successive fuel to atomize

ps...on looking SYB is an aussie product lol...an engine starter aerosol would work

 

nope its been proven that intake temps are perfectly fine all the way up until the temperature that gas freezes. i think thats around -200 degrees Celcius. but you wont this outside of a controlled lab. so you will be fin as long as the car can start. but if it doesnt just throw some aerosol engine starter in there. that is if that doesnt droplet out as well.