Stupid tuning modifications that actually make your car WORSE!Jun 10, 2021
hi everyone martin a lot of people like to modify their car to improve its performance whether it improves handling improves speed improves braking the only thing is some people spend money on things that really have no effect and they are pretty useless and with that in mind here the car wire the most useless
tuningmods everyone thinks big wheels mean and better thats better looks better and performs better thats not always the case now certain cars or designs have big wheels for example an Audi RS q8 can have wheels up to 23 inches in diameter however there is still a maximum for that car which is 23 inches and for other cars there is a maximum too if you go beyond that
actuallyit will slightly raise the ride height of the car another thing it will do is mess up the diameter of the wheel so what you are changing will be out and
yourspeedometer will be out too now what about the gavier wheels rands, even those within the manufacturer guidelines, the fact is that as tire damage increases, therefore, you reduce the amount of sidewall on the tire, so you have a low profile tire, which which means that the car will not be as comfortable on bumps.
Another thing about making the wheel size bigger is that you do increase the size of
yourtires which means your ties will be more expensive you will have more contact with the road because you have more tires on the road the downside is that the tire and tire combination gets heavier the bigger the wheel gets and that means it has more unsprung mass and more unsprung mass is not a good thing because it can affect the handling of a car it can affect the feel of the steering and the amount of communication the car gives you while you're driving so while you may have more grip it doesn't necessarily mean the car is more fun that's why for my Porsche 911 I've stuck to 17 because it
actuallyhandles quite a bit sweeter than xviii even though they give you a little more grip and
makeit look a little better r some people like to highlight their cars by giving them a lot of negative camber now the camber is the angle at which the wheel sits with the ground so negative camber tilts the wheels in that way the idea is that when you're rounding a corner the car leans over and the outside wheel ends up upright meaning you have a maximized tire contact patch to the ground so handling is good now that it applies to race cars but you don't want too much negative camber in a raison d'etre of a street car is that most of the time you are going in a straight line, so your contact area with the ground is reduced because the wheel is at an angle.
Another problem is that even if you are in a race. track if you have too much negative camber then you're never going to get the wheel in the right position to have the full patch of ground contact even when you're in a corner they also mess up their cars braking because if you think about it mostly you're braking in a straight line and if your wheels are like this then there are fewer tires touching the ground to grab on to when you are braking which is not ideal. Another thing with a lot of camber is that it can put stress on the suspension components because the wheels are too twisted.
The angle doesn't help the wheel bearings either, as they have to work a little harder. Adding a lot of negative camber to your car to
makeit swerve will ruin performance and make it slightly less safe. Many people like to replace paper. air filter in the airbox of your cars with a performance type that is less restrictive the idea is that it will allow the engine to be more proprietary so it can have more fuel and therefore get more power it makes sense But it doesn't always work that way and I can attest to that myself because I installed a performance air filter in my Porsche 996 and it increased top end power by about a horsepower or two basically an increase that you would never feel like you actually dropped power slightly further down the rev range, which meant that overall the car was making less horsepower, especially in the more tractable range, the midrange, so you didn't have Sense, it sounded good, although the thing with performance air filters is that they will let more air in. the top end sometimes in the middle of the rev range needs a little more stamina to get the engine running properly now another thing about these performance air filters is the fact that they are supposed to be reusable so reusing them you have to clean them and then reeve oil them because while they do allow more air through one of the ways they trap air is they have oil in them and it does pick up sand and dust particles the only problem is sometimes that oil can get into the air intake and if you have a mass air flow meter inside the air intake like my porsche you can mess it up and then you have to replace it which is very expensive and even before you need to replace your pulle i notice your car a lot because this sensor will not be able to work properly so your performance air filter will actually make your car run
worsenow there are systems that improve the performance of your car and they are sis Cold air intake issues what they do is move the point where you suck air into the car away from the engine so it's in a cooler part of the engine bay.
Colder air is denser, which has more oxygen, which improves fuel burn. However, in order for it to work properly, you must also do it in conjunction with an ECU tube to indicate the cause of the engine to provide more fuel and balance the air-fuel mixture at this time. looks the same with a cone filter unfortunately they don't do all the work of separating the hot air from the cold air inside the engine bay so you end up sucking hot air into the engine and this usually results in less power Overall, If you're thinking of installing an aftermarket dash filter you may get some horsepower, you'll also get nicer induction noise, but it won't be any kind of performance increase. feel and in fact you could end up with less performance like I did we all know that lowering the car lowers the center of gravity which will improve handling and this is true although it depends on how you lower the car see if it does it on the cheap with spring clamps that basically shorten the car's original springs by tightening them which won't work in fact it could be dangerous you see a car's springs and shocks are set up to work together if you alter the spring by lowering it and constantly under stress.
It won't work as well with the damper. Another thing that could happen is you overtighten it and if you go over a big bump or hill or center on bridge the spring could become dismounted from its mount which is clearly very dangerous also running along with your spring under compression it wears out the spring wears out the shock and your suspension could fail early now if you want to lower your car you need to get some proper lowering springs proper shocks to go with them or maybe go with some coils or if you want to go all out and really hit your car how about something like an air ride where you can actually alter the ride height using the air suspension system remapping a car's ECU is a good way to make it make more power after all the ECU causing smart controls like ignition timing, ignition timing, amount of fuel entering the engine, the turbocharger boost pressure rev limiter sor if it was installed once so it makes sense that it will work and it does and you can make a good profit now certain
tuningcompanies that just ride you and work with the manufacturers so they can fit these things to your car without affect the warranty, which is great. rb we actually did this on a set than Pro and got a 50hp increase over the stock car and it was really noticeable and it's £500 which sounds like great value for money but some people want to save money who don't want to want to pay £500 for some real performance gains so instead they go on the internet and look for tuning chips now the way they are supposed to work is they plug into the car's ECU and alter the signal which goes from the engine intake temp to telling the car's ECU the intake temp and making it think it's actually colder than it is so the car thinks wait a minute we've got more air dense we can push more fuel into the engine and as a result the car should make more power that's a theory but it doesn't work because the reason it doesn't work is these boxes are nothing more than a placebo effect s Just a little box with a blinking LED, could you plug it in and they don't actually work? anything so good you won't get any performance increases but worst case scenario if you're hacking this thing into your car wiring then you could damage your car.
If you want to increase performance, look for a proper ECU tune. Some people think that you can improve the car's performance by installing specialized spark plugs now. If your car's spark plug is failing, then the car will not run properly, that's a given; however if it works properly no performance spark plug will ever perform better than a regular spark plug all a spark plug does is provide a spark and if the spark is enough it will do the same job regardless of what type of spark it produces it just starts the process of burning the fuel, what really matters for performance is the timing of the spark and the fuel/air mixture ratio, that's what the spark doesn't do. good aerodynamics help economical top speed and also make it more stable when going fast and of course improves fuel efficiency and sports cars have specially honed aerodynamics to help them glide through the air as quickly as possible and at the same time reduces lift so they stick better to the road for better handling;
However, don't think that you can improve the handling of your car simply by putting on a spoiler or front splitter; it won't work when these things are installed by manufacturers of race cars or road sports cars have gone through hundreds of hours of development in a wind tunnel to make sure they do their job correctly. it looks faster but it will make you quite a bit slower because some aftermarket wings will cause drag let me slow you down in a straight line it will also add weight to the front or rear of the car which will reduce handling and while you might think that these devices will produce downforce.
There is a possibility that they will do the opposite and increase the lift of the car. Catalytic converters are installed in automobile exhaust systems to reduce nasty tail-pipe emissions. pipe what they are essentially is a honeycomb structure that the air goes through but since it's basically a clog in the exhaust I would think removing it would free up the airflow so more air can get through the engine for more power however if you remove the catalytic converter from your car you will probably get less power. The reason is that when the manufacturer is setting up the car, it is designed to work with a car to convert it into place and therefore takes into account the back pressure it gets. remove it and the kernel probably won't work as well as it should. a bindle a4 which has slightly wider track than the regular series four so that slightly wider track means the car is better balanced in the corners because it is slightly wider so people think that you can do the same thing by putting spacers on your regular car now you can get away with putting gaps on cars up to two centimeters should be fine well it does push the wheels out and may make the car look better but it doesn't actually , it necessarily improves handling because when car manufacturers are calculating track width they have done a lot of math with steering geometry, suspension geometry and many other things that you and I just won't understand and pushing the wheels of cars are altering the geometry of the car, which in turn can make it handle
worseand if it fits into large spaces, as some do people, then it could make your cars handling so much worse that it's dangerous to push With the wheels out, you're putting more stress on the wheel studs that hold the wheels together, you're also putting more stress on the other suspension components, so it's generally not a good idea. tells you how much compression you can have inside the engine before it turns onpreviously now pre-mission is a bad thing it will damage your engine you want a controlled burn which is initiated by the spark plug now if you have a higher octane fuel you can compress that fuel air mixture a bit more before pre-ignition which means which can actually bring your spark back later so you have a really compressed fuel air mixture for maximum combustion and more power so people think why not just add an octane boost to my fuels dip it There and so the car will be able to compress the air/fuel mixture more and I'll get more power, but it doesn't run like it does from the factory, the cars are set up to run. a certain minimum trim rating and if you put a higher octane rating than that it won't give you more power now it will probably give you slightly better economy because the fuel burns more efficiently with higher octane but Cars are set up to deliver a certain maximum amount of power as standard, so it's just a waste of time to put this octane rating on;
However, it is not a waste of time if you have had your car specifically tuned to run on a higher octane number, so using a high octane fuel may work if your car's ECU has been specifically tuned to do that, but that means you're stuck running on the higher octane fuel and just using an octane booster to get to that higher rate won't work either because you can't be sure that you'll generally get enough octane rating from your fuel . I hope you enjoyed the video. Please let me know in the comments below if there are any time-wasting mods I've missed and also let me know if any of the mods I've listed in this video you've actually done to your car by mistake.
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