I'm new i couldn't find any information on this and i hear my buddies talking about this alot when you put a cold air intake on that helps your gas mileage and gives you a little bit more power is that correct i got a 08 tc

 

no, your friends are wrong.

for an engine to run properly, it has to mix air and fuel in a proper ratio to make optimal power without hurting the engine. this ratio is about 12 parts air to one part fuel.

now gas is a power source, and air unlocks it. if you just dump fuel in (run rich) the engine will bog down and lose power. if you force more air in, and don't add enough fuel, your go lean, and get detonation (engine go bye bye).

so to get more power, you need to add more of both to maintain a proper ratio.

for every 10 degrees you cool the incoming air going into an engine, you get 1% more power. this principal is what drives a cold air intake. the intake draws more, cooler, denser air into the engine to make more power, now then, you are adding more air, if your engine doesn't add more fuel, it will run lean and detonate. but luckily, your mass air flow sensor reads the increase in incoming air volume and adds more fuel.

so if you add more air, you have to add more fuel. it isn't alot, but you aren't going to be saving gas, that is for sure.

 

so how is it possible for me to run 35miles before the arrow moved? all i have in the engine is short ram intake(injen), megan axle and all i idid is run below 40 and my rpm stayed under 3000. im running the car in the suburbs tho mayb thats y........we dnt hav highways here on wer i live. oh well

 

Unless you have a scangauge or run full tanks at a time, you won't get an accurate measurement of your fuel consumption. Certainly not from watching the arrow move.

 

the gauge isnt linear, so at full it doesnt move as much at the same rate as it does at empty. idk y, maybe the tank isnt "square" or pressure effects the gauge. anyway, at half a tank i will have went 250-300 miles, and i get about 450miles to a tank so thats not half. ( yes i know thats like 33ish mpg, i dont know why i get that much, i guess im just lucky)

 

thanks

 

man you are lucky. I only get 270 on a full tank of gas going all the way to the gas light too...

i am Supercharged and it is a combination of freeway / city driving

 

Quit mashing on the gas

 

^^ its not really

before i installed the s/c i was getting 290-300