5 Car Myths Stupid People Fall For

5 Car Myths Stupid People Fall For


rev your engines today there’s tons of guys
out there claiming to be experts that don’t have any idea what they’re talking
about now I’ve been doing this for 52 years fixing cars and I’ve been doing
car talk stuff really for another 20-something years
here’s five big myths that I’m gonna bust about cars and the first is the
myth that you can buy special oil or special oil additives and that’s gonna
make your engine last longer get better gas mods have more power
well it’s total nonsense if such an attempt and oils did exist they would be
sold in the cars in the first place because the car manufacturers get bonus
points for meeting EPA standards the car got better gas mileage it’s better for
them so don’t think that any of these magic oils are gonna do anything except
possibly damage your car look at the oil cap this one says to use 10w30 oil so
that’s what you use and this one says use 5w30 so that’s what you use so stick
to this there’s a million brands out there you can use don’t think oh if I
put this magic ceramic coating oil and it’s gonna work better or I’m gonna use
a lighter oil or a heavier oil now the only thing that you got to worry about
is keeping it clean you want to change it regularly now let’s say you buy an
old junker and the engine is all dirty take out the valve carbons all kinds of
sludge in there well then you can use something like this kmw motor flush
basically kerosene you follow the directions this is a 5-minute one you
put it in the oil you’ll let it idle for five minutes then you drain on your own
filter and the kerosene inside will get rid of a lot of the sludge inside if you
bought a car and it’s all sludged up yeah you want to clean it out to get the
crud out and don’t get the not bright idea that oh I’ll use the flush all the
time to keep my engine clean no you don’t want to flush all the stuff out
they can even cause problems in a car that’s an otherwise really good shape so
just change your oil and filter and use the correct oil don’t listen to any of
these scams up that there tell you gonna get better gas much more horsepower all
that stuff is a line of baloney now the second myth I’m gonna bust this
tire pressure some guys Italia oh you can adjust your
tire pressure to make the tires work better no don’t mess with the normal pressure for normal driving down the road you want
the tires to ride the best and last the longest it’s always a compromise because
you want them to ride well but you want them to last long when I was young and
old trick guys would do would be they’d have a big car and they lower the air
pressure 5 or 10 psi the tire was softer and it actually had a softer ride the
targets were out faster the middle was in more outer edges would wear more and
it didn’t handle as well it wasn’t made for these sloppy tires you get more flat
tires because less pressure in the tires a lot softer and nails can go through
easier now in specialty situations you could let air out of your tire really
slippery road if you let a bunch your tire pressure out the tires gonna get
flat or have more area contacting the ground which means it has more friction
and it might not slip so if you were stuck you can let some of the air out
and if you drove out of the hole hopefully you got an air pump in your
trunk I got an electric one you can fill it
back up and drive merrily down the road hey the military Humvees are set for that
they get a lot a bunch of air pressure out so they can get out and then they
push a button and they re-inflate so I mean in a specialty situation go ahead
let some air out but don’t drive like that and the same goes for too much air
pressure so much your pressure the middle of the tire where Plus it’s
dangerous if you overinflate done they can’t eventually explode realize that
you do your tires when it’s cold outside fire hasn’t run all day check the pressure and you drive down the road the pressure
goes up just check your pressure to 32 then take it for a half hour drive a quick
jump out and jacket you’re gonna see the purchase quite a bit higher because as
it heats up it’s physics the pressure increase there’s none when it cools down
it goes back to the 32 so if you want the combination of the best handling the
best guess much the longest life of your tire and the least amount of possibility
of getting nails and stuff going through the tires put in the regular pressure
for your car you want to get a gauge at your own so it’s always
saying these gauges hey they vary from place to place so don’t listen to any fool that tells you oh you can put in less pressure you can put any
more pressure no you want just the right pressure the tires will be happy and
you’ll be happy with the ride in the handling now the next myth has to do
with automatic transmission fluid some guys say all automatic transmission
fluid is the same you can use the on the album whoever makes them in modern cars I will advise you don’t listen to that advice at all there are so many
different types of automatic transmissions these days and generally
each one has a specific fluid that’s designed for that transmission last week
one of my fans emailed me said Scotty I was a fool I didn’t listen to you and he
had a CVT transmission and he had changed the fluid he didn’t buy the
Nissan fluid he bought one from a very reputable company that’s been around for
over a hundred years and he put it in and how he said almost right away it
started acting different it started slipping having a little shuddering that
it didn’t have in a first place this doesn’t have any ingredients it’s
all there trade secrets so who knows what attitudes and what components are
in one versus another take a Toyota now Toyota sells Toyota automatic
transmission fluid but of course they don’t make it they’re not an oil company
they know what specifications they wanted and they’re made with those
specifications you have no idea what the specifications are of other ones so my
advice don’t chance using generic ones use the same exact fluid that came with
yours when you empty out of transmission only a small portion comes out so you’re
mixing a new stuff with the old stuff and who knows if those additives are
even compatible stick to what they came with they don’t cost all that much more
for example in my Toyotas I get a discount store and I can get cheaper
fluid for like four dollars a quart what the Toyota dealer it’s like 580 for
a quart of air fluid so really stick to the same stuff now you can buy it
wherever you want as long as it’s the same stuff there’s a lot of people buy
on a cheaper price it’s exactly the same but you want to get the same stock
because of the antifreeze that’s different this stuff is made by zerex
and it’s for Toyota Lexus and scion I use it all the time in them it’s the
same ingredients because it’s a hoat hybrid organic acid coolant it’s not like a modern automatic transmission this isn’t
shifting gears and going through crevices and computer modules open and
closing valves it just flows through the cooling system to cool stuff it’s a lot
simpler than an automatic transmission and the food that makes it work because
you realize an automatic transmission it’s the fluid that’s actually driving a
car the fluid friction that goes through that provides the drive you don’t want a
mess without the a fluid works by using something that’s made by somebody else
that may have different characteristics stick to the factory when it comes to
transmission fluid these days because look at this STP one
read the fine print what does it say for use with certain Ford vehicles doesn’t
even tell you which certain ones spec for the stuff that it came but now the
next myth I’m gonna bust is oh you can use the high octane gas to make a car
run better in the three cars in my drive over here yelled Celica the matrix and
the Lexus behind it I’ve used nothing but regular gasoline ever and they all
run perfectly fine the engines are designed for regular octane level of
gasoline high-octane gas for many people it’s a thing of the past
young mechanic cars had really high compression engines they would clatter
and reignite with low octane gas you had to put high-octane gas in them but
modern engines aren’t that way they’re all computer run 13 years old even a 13
year old wants garlic computer stuff in it it can compensate for any kind of
gasoline you put on it if you go high-end in modern cars let’s say you
got a Ford Mustang with that EcoBoost four-cylinder engine and puts out 300
something horsepower yes if you put high-octane gas you get 300 something
horsepower but if you put low octane gas you get 200 something horsepower it runs
vertically fine you just have a little bit less power it won’t hurt anything
but you know that’s up to you with all the modern computer control devices on
your engine and transmission higher octane gas is not needed and we’re
really I get a kick out of this okay that’s regular there’s medium high
octane gasoline I didn’t comprehend what’s the point of
the medium stuff is now know some guys are gonna say Scotty doesn’t know what
he’s talking about I had a car and I put high-octane gas it runs better well yes
if you have an old worn-out engine and it’s full of carbon and has all kinds of
problems inside if you put high test gas it might not ping because with all that
carbon buildup that up the compression ratio inside the engine the carbon takes
up space so that makes the compression go higher because there’s less room for
the gas and air to mix so it’s going to be scrunched more in a normally running
car you don’t need to do that and if your car does run better with height
that’s gas then you need a carbon cleaned or needs some kind of work
because it’s got an internal problem if it does run a lot better on high test
gas then it does not look this game now you might wonder all the advertising you
see from gasoline come at least it’s for their high octane gas most cars really
don’t need it but that’s their highest profit margin so of course that’s what
they’re gonna advertise so what 99% of the people out there don’t worry about
it don’t waste your money on high-touch gasoline now the fifth and last myth
that I’m gonna dispel is any of these gimmicks that say if you use this on your
car you’re gonna get better gas mileage have more power and they’re all nonsense
from guys that are selling giant magnets that you put over the fuel line to make
the fuel work better to line it up well I hate to tell you gasoline is not
magnetic so it doesn’t have any effect on it at all that myth actually came
from a somewhat true practice ages ago farmers and the tractors and rusty gas
tanks and if they put a magnet near the line it could hold the rust pieces
against the magnet so it wouldn’t clog up the carburetor but unless you drive
it a little tractor that’s falling apart so far for these magnetic fuel enhancing
things and don’t fall for these Oh if you add this to your gasoline it’ll burn
more efficiently I mean you couldn’t destroy a car that way there are guys
that would put mothballs and they said oh well you know whatever is in the
mothballs is gonna make your vehicle run better it can destroy your vehicle don’t
try anything foolish stuff same thing goes with those hho generators that take water and they create hydrogen that you’re gonna
burn in your car and then you’re gonna get better gas mileage more power that’s
crazy too you have to create the hydrogen
from water through electrolysis well you’re using electricity that your car
has to generate the energy it takes to generate the electricity and do the
electrolysis more than you ever get by burning hydrogen so in the end it’s a
net loss procedure you’re not gonna get better gas mileage you got to get the
energy to make the hydrogen in the first place ever since I was a kid people are
trying to find these perpetual motion machines that were run by themselves but
you know it’s not gonna happen on planet earth we have friction there are laws of
physics that you have to follow you can’t get something for nothing and
these hho generators they kind of promise that but they fall flat no I’m
not saying hydrogen doesn’t work in the car cars can run on hydrogen quite well
it’s a very good fuel supply but you got to get the hydrogen from somewhere and
you have to have a system that can meter it correctly to the engine and hydrogens
a pretty flammable gas it’s not that easy to store so it’s got its own
problems so don’t think one of these HHO generators stuck on your hood is gonna
make your car get better gas mileage and have more power so now you know five car
myths to stay away from in the real world hey maybe have them in your dreams
but don’t apply them to your actual car in the real world, so if you never want
to miss another one of my new car repair videos, remember to ring that Bell