Does cold air make a difference?
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Junior User
Joined: Nov 2003
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Does cold air make a difference?
I'm in Hamilton Ont. Canada, I own a '83 F150 300CID, It never ceases to amaze me how well my truck runs in the colder weather, warming up takes a bit, but once shes ready, man does it ever run smooth.
Does cold air make that much of a difference?
Does cold air make that much of a difference?
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Joined: Oct 2003
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I have thought of that for a while also. A way to cover the carb and run the injection type air delivery tubes as in the "cold air box". They also make one that runs to a duct that fits just under the front fender for Ram Air. I have read on this site a lot of negative thoughts about the Tornado, but the theory is correct. All turbine engines have swirl vanes to get the air spinning, which makes it move faster and able to compress it better. Also if the air spins fast enough, all dirt and debris can be vented to the side thereby requiring no air filter. Maybe I just have too much time and money on my hands.
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Thanks guys, I just wasn't sure. I have had a K&N filter in the truck for awhile now, I noticed a difference right away. I just didn't think cold air made such a big difference. Too bad it can't run like this in the heat too.
Postmaster
Joined: Jul 2003
Posts: 2,711
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From: Pittsburgh
On thanksgiving driving to my aunt and uncle's house during the day (about 60*) it was all my truck could do to run 65 on the highway, on the way home (sub-freezing) I had to keep my foot out of it to keep from going 80. Last time i set my carb it was about 20* so i figure that has alot to do with it, i thought it was going to stay cold 
Justin
Justin
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Freshman User
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My flight performance manual shows that to ba a 10% change in air density (at 2000'). That sounds like a drastic change in power for 10%. You may be running on the edge of being too lean, but if you are willing to adjust for the daily temp, you'll be getting max performance (& mpg) at that time. Maybe you can make that $60 last a little longer. You could get a little notepad and keep track of the temp's and performance and know for example each 10 degrees is 1/4 turn in or out ..... just a thought.
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Mountain Pass
Joined: Mar 2003
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From: Up state NY
when cold air is blown into a hot cylinder it expands, that is the exact reason detroit has air to air coolers on their over the road trucks that have turbos.the turbos heat the incomming air then there is a raditor that the air goes through infront of the truck to cool it down causing it to become more dense, in turn making more power.