Gadgetory

now there are two main reasons you put an air intake kit in your car the first one is to optimize air flow that is to make sure the engine is never starved for the air it needs to combine with fuel the second reason is to get a cooler temperature on that air let's start with the optimized air flow you need to make sure that breathing is free because there is so little time for a cylinder to be filled between 0.02 and point oh six seconds depending on the engine's rpm anything impeding that air flow means it doesn't completely fill the cylinder with air and gas and that is reduced volumetric efficiency when it comes to cooling the air that is important too because if you're a call from high school science class cooler air is denser air denser air has more oxygen molecules in a cubic inch more oxygen combines better with the fuel to get more power out of every time you fill and fire the cylinders this is what air intake kits are alright of course I'd love to install an air intake kit or just about anything on an f40 but I don't think it needs the help however our photographers also has an O 6 Tahoe with the big v8 it could use the help let's do it bring it in here we go don't lose a mirror you got it or you just got it ok looks good sell so this won't hurt a bit okay we'll start by removing the factory air intake system which you can see is a whole lot of plastic dreck okay first thing in the airflow is this air box right here this is where the air filter lives I'm going to disconnect the mass air flow sensor and then if I lift this off and pull off the lid here this is your traditional air filter which is the sort of pleated paper thing you can't see through that right I mean you're gonna see a big difference when I put the new one in this is rather dense and air gets through here rather slowly and down here is the bottom when that thing sits and I want you to see this these are the intake nozzles on the old air box and notice what they breathe through a couple of holes punched in the sheet metal here on the inside fender well it gets air from basically down the right side of the fender it's a little bit occluded because the air has got a tortured 90-degree path to make up a narrow channel here so that's gonna improve our air flow right there by getting rid of this turn this corner okay now I pull off the electronic connector for what's called the mass airflow sensor it's this guy right here let me try and remove that because this part we're gonna keep a mass airflow sensor you can just see right through there it's got a screen to bring down turbulence on the front and on the back it's got electronic vanes that can measure the volume of air that is rushing across this thing it's the first piece of electronics that tell the engine how much air is on its way to the throttle body which is where the real intake begins we're gonna put this back in now the last big piece we got to get rid of is this big kind of ductwork this plastic plenum I've loosened it up from the throttle body right there you can look in there and see the big butterfly valve which is the beginning of the fuel-air mixture chain we're not going to screw with that that's serious stuff but this is a large very convoluted thing that has all kinds of warming and cooling chambers in it which we're going to get rid of and this may change some of the cold-weather behavior of the vehicle okay it's what we've done now is we've removed this big kind of occluded air box with that pleated filter and we've built up this heat shield this is going to be our new replacement for the air box and I've mounted the mass airflow sensor on it this thing just sits down on some studs here notice how much more of a flee breathing apparatus it is than what came out and now from the heat shield and mass airflow sensor we're gonna put on this little coupling it's getting us to the other key part of this a great big pipe big diameter very gentle curve and not a bunch of chambers off of it where turbulence can build up and impede the flow into the throttle body so all in this will take you about an hour it's not a difficult job it's one that requires that you fit and pre fit things to make sure that the clearances are all good and important to points keep all your old parts just in case and secondly don't leave anything inside this apparatus not a washer not a nut nothing because after the filter there's no other gatekeeper that keeps things from being sucked into the engine the fastest way to a $10,000 bad weekend is to suck a nut or a washer into your head now parts like this always have these hot rod stickers that come with them I don't stick them on my car instead I use them as a contact gauge take a piece of it put it upside down here with the sticky side up then pull your hood down if you want to check clearance if it doesn't stick to the top of the hood you know you've got at least a little bit of an airspace there and you're not rubbing on the underlayment in the heat sheet okay now the last part which is putting in the only service element and the coolest-looking part now may be that pipe is and that is the air filter notice how different that is from what came out completely different shape this guy you can't see through this guy's a little hard to tell but if you look inside here far more breathable this is an oil impregnated material so it's not as thick because the oil helps to draw a dirt out you service this thing once in a blue moon you wash it in real it probably almost never put this guy in and see how this thing runs okay our filter is snugged up so let's see what we've accomplished we've nailed all of our goals by getting a much more cool and unobstructed airflow cooler here because we have a metal heat shield a little more air around it it's not so obstructed because it's not coming out of this tortured little turn here in the fender well graceful large diameter pipe so overall we should have a cooler easier flowing intake to get to the throttle body and into the mechanicals of the engine let's see if it drives or sounds any different so on the freeway you get why this is different Wow what are you hearing yeah yeah yeah definitely different yeah yeah that's it even that big comb filter we put in there there's not just air going into it but there's also noise going back through so engine noise there was only tramps it's Gaza they're very different here we are 3000 rpm so we get a chance open up a little bit see if you feel any more power any more torque it says right here this gets guaranteed to increase horsepower we this is what I think is the placebo effect people put these things and they go we have feels faster that's all right there a little more torque maybe you can also my puzzles better gas mileage not want to get my PG babies you're monitoring your gas mileage here I guess what a carcass sizes always anything is he going anything else yeah thank you very much booty hotel sounds good pleasures mine you got my usual 3030 guarantee here we have 30 yards were 30 minutes actually passed both so you're out of horn yeah now here's why self oh didn't find his Tahoe is night and day different after putting in the intake kit these are dyno results from a vehicle like his with a kit like that here's horsepower gone up from 249 to 257 that's not nice day here's the torque difference 245 to 253 foot-pounds again a little over 8 foot pounds or so but notice on both of these the improvement is on the high end of the RPM range where factory intake systems tend to make the engine run out of air that's very common this helps address that this is really good for high rpm run oh by the way self so grab me in the hallway there today and said he's actually feeling the power and torque improvement since we put that air kid on more and more as he drives the vehicle so that's good news as is the fact that no parts have fallen off yes you