Mustang Perform Better in the Night Time Air??? - Ford Mustang Forum
 
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post #1 of 10 (permalink) Old 05-29-2011 Thread Starter
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Mustang Perform Better in the Night Time Air???

Call me crazy, but since I purchased my 98GT I am CONVINCED the car accelerates better, performs better, the pedal feels stiffer, and feels like it has more power when driving at night....specifically on a spring or summer night in New Jersey. Is it the thicker, cooler air? Although it runs just fine in the middle of the day, it just seems to be a little more sluggish.

This may be a stretch, but the only thing this would effect is air flow. Mainly the CAI and/or the MAF sensor.....wondering if the filter is due for a cleaning or the MAF needs to be replaced.


It's a Mustang GT. A Ford product. Need I say more?
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post #2 of 10 (permalink) Old 05-29-2011
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the night air is cooler and denser, more air = more fuel = more power or at least in theory.

last weekend on the powerblock horsepower was dyno testing a olds engine and it got best performance in the middle of the night... so cooler air worked for them.


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post #3 of 10 (permalink) Old 05-29-2011
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It's science......................
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post #4 of 10 (permalink) Old 05-29-2011
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Your computer pulls timing out over 200 degrees.. during the day you are likely to always be over 200 degrees, at night it may stay around 190-195 easier in cooler air, it'll make a really big difference, especially when added to the fact that cooler, denser air coming into the motor makes a tangible difference.

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post #5 of 10 (permalink) Old 05-31-2011
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Cold air has more oxygen...so you are not imagining things.
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post #6 of 10 (permalink) Old 05-31-2011
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That's where that whole Density Altitude thing comes into play.

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post #7 of 10 (permalink) Old 05-31-2011
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I take it you have never been to the drag races? I have seen guys with little mini weather stations. Cool dry air = HP. When i ride my Harley to work in the mornings it would run great in the cool air. On an air cooled motor you could really feel a big difference.
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post #8 of 10 (permalink) Old 06-01-2011
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In the early 1980s I had a 302 4v Fairmont Futura set up with Mustang GT parts. My job had me driving throughout the tri state area. The best driving was at night on the GSP with the windows down, the stereo playing and the cool air making the engine run smoother and better. Back then, water injection kits like Spearco were a big seller for people who wanted the same effect.
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post #9 of 10 (permalink) Old 06-01-2011
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you should see the difference with F/I. the difference is exponential.

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I have noticed this too... so your not the only one.

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