Power loss with hot humid weather?
Anyone else having problems with power when its 90-100+ degrees outside, my wife told me her 8 is really running sluggish when its hot out, at night most of the power comes back, so I kinda threw it out as A/C bogging the car down.
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No shit sherlock
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All air-breathing internal combustion engines do poorer in hot humid air. The scale of oxygen content (density) goodness, best - worst:
Cold Dry Air Cold Humid Air Hot Dry Air Hot Humid Air It's a Boyle's Law of Gases thing. Running the A/C of course puts extra load on the engine, diminishing power, as well. |
Originally Posted by Grimacus
(Post 3084271)
Anyone else having problems with power when its 90-100+ degrees outside, my wife told me her 8 is really running sluggish when its hot out, at night most of the power comes back, so I kinda threw it out as A/C bogging the car down.
http://www.finishlineperformance.com...4-08-1924g.pdf |
norml!
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Find me a car with a internal combustion engine that doesn't run like crap in the hot humid heat and I'll buy it tomorrow.....
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Originally Posted by Pico
(Post 3085485)
Find me a car with a internal combustion engine that doesn't run like crap in the hot humid heat and I'll buy it tomorrow.....
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Normal, butt clean the MAF
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Well my wife now tells me it barely accelerates with the 100+ degree temps. Probably be a good time to take it in before basic warranty ends.
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Huey is correct and right - the denser the air the better. It's the same as the story about it being better to fill your tank when the ground is cold as there's more liquid and not as much fumes going into your tank compared to a hot day.
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Originally Posted by Grimacus
(Post 3085683)
Well my Jeep wrangler 4.0 liter runs just a strong, now give me headwind and thats another story.
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