It doesn't matter if they use ft pounds or newton meters. They could have used 100 door knobs of force and it'd be the same concept.

I’ve never heard this explained so simply. Thank you 😊 🙏 .

I owned a vehicle armoring business and worked Dubai. We found we could gain more horse power,in this case translate, moving mass quicker and less costly by lowering gearing than exhaust, air intakes, cams, and other superficial add ins. Even though we also did many of the engine tweaks when clients would pay for it. I am ordering a new Bronco and buying it with the lowest gearing possible. Low gearing term equals high gear ratio,ie 4:11 gear is preferable for pulling power, 3:56 gears is great for low engine rpm's at highway speeds. That's how I always made the distinction.

I had 3.55 open gears on my Explorer with 4.6L V8 and they were ok at highway speeds but low end power suffered. I drive in the mountains a lot and frequently haul stuff, so I switched to 4.10 gears and added a limited slip differential. It helped a lot going up and down the mountains, I have more power going up, and more engine braking going down. The engine and transmission do not work as hard because the rear end is doing more of the work. Gas mileage you might ask? Well at 70 mph my tach says about 2300. Not bad at all. I just slow down on the highway and do about 60-65 mph now. I noticed barely 1 MPG lower than before. I used to get about 20-21 on the highway now I get 19-20. Barely any difference at all. With an overdrive gear, you are safe when driving on the highway with deeper rear end gears. On heavier cars or trucks with automatic transmissions, you need more gear in the back.

guys, it's not about having a certain speed or torque number or conversion, but about understanding how it evolve with gears settings. For instance if you gain speed in mile per hour, you also gain speed in kilometers per hour, point being that changing LB.FT into nm isn't important to explain gear ratio work

To anyone wondering, yes 4.00 and above with a engine that has about 350lbft of torque will do burnouts and if the motor has above 600lbft that's when you get tall wheelies.i know this because I have a gasser and I've been through it all

i have a 3.36 rear end and a 2004R trans with a fourth gear of .67. once lock-up engages and going up hill, my engine lugs and i’d have to downshift to third. my wheel/tire is 26” tall. i’d like to swap for a 3.55 but for now down shifting will do.

So you just said that my Honda actually has some torque?

I love the Lincoln locker being installed lol

if 25-27 size of wheel what ratio of differencial is good for middle hi and low

Tire size stall convertor and the transmission ratio all is what gels everything together to work like lightening.

Great presentation

nice gated manual shift tho

so just a question that I am researching... if I lowered my final drive ratio from (idk how much it is right now) to a lower value /ratio it will allow me to cruise quiter in my car and have a higher top speed for the autobahn? but it will hurt my acceleration? did I get it correctly? if yes.. then if I do lower the final drive ratio to get a quiter car for long distances but then do few upgrades to the engine to increase HP / torque will I then be restoring the lost acceleration time (0 to 60) and still I would have a quiter car for traveling? (because my car right now is too noisy even at 50/60 mph the rpm would be at like 4/4.5k rpm...

4.10s on my 2013 Mustang GT (manual) and topped out at 115mph in 4th gear at 7500rpm on 28" slicks. So I will gear down to 3.73s and that will increase the top speed in 4th at 7500rpm to around 130mph. Which will let me get into the 11s in 4th gear.

Great video. Very informative.

I have a 5.3 2002 single cab. Chevy 1500 with 3.73 should i swap to 4:10. The most i drive on high is 2 hours for truck meets at 75-80 mph will it affect my vehicle? Help!!!! Advise needed!!

My differential ratio is 3.9 at a speed of 100km, showing 3000rpm. If I change this to 5.12 differential ratio, my rev counter will show approx.

My Old hiace van LH -103 Model Too much slow going on ascent I thing i want change my vehicle Pinion which one god speed Ratio can you please tell me

1:58 got to love this KE and this amazing torquey 3TC engine

What's the name of the beat? Where can I find it?!!

Wow that went no where.

They could have said it produced 100 duck farts, the video wasn't explaining what torque is, just how gears worked and just how much it increase the power at the wheel

But will it do skids?

Awesome vid!

Can never know enough,(when tuning) now, someone. Tell me what I tune each gear at for a - all wheel drive skyline gtr gear 1-5 (for a game ) wish it was mine lol)

In a video primarily about final drive gear ratios why do they keep showing the spider gears and even show what appears to be someone welding them solid? Back in the jacked-up four wheel drive craze days back in 1970s I used to get a kick out of watching guys take a truck with about 3 to 1 Street gear ratios and put tires twice the diameter of the stock tires and then destroy innumerable sets of universal joints as the huge tires made their final drive ratio more like 1.50 to 1 and when they ran it in the transfer case low range ( because they had to all the time ) it put all kinds of torque stress on the drive shaft. Same with brakes, I loved it when they would put monster tall tires on an axle with little car size brakes and wonder why they can't stop without blowing the hydraulic lines off. Haa ha ha

I recently bought a 2011 chevy colorado 2.9L and a 4speed transmission... I put a shift kit and buy a posi locker but dont know the ratio... if I wanna race 1/8"mile and drift what is the most suggested gears for that use?? I want good torque and also some speed

My question is is there a gear a lot a variables but half turn or even a quarter turn at crank full turn at rear end that would save 3x gas I understand you’ll have 0 torque Thought process trucks use 2-3 speed rear ends could convert dually axel into single wheel axel and install two speed rear end if on the Hwy could shift into that final drive gear for maximum mpg knowing that gear is for fuel economy.. innovation also comes when feet are to flames gas $5+ per gallon. In a crooked world have to think of things like that if it doesn’t resist someone will make it

Good video...left out tire diameter in the final calculation...

so when someone or a manufacturer claims a torque number, is the torque of the engine or after the gearbox and the diff? and does it mean that the actual toque numbers on the crank much lower?

Nice background song, what song is that?

does gearing affect hp at the wheels?

What’s are good diff gears for top end with the loss of torque from start

2:46 concept applies to the KOENIGSEGG REGERA if i'm right. I think i'm starting to grasp gear ratios

I think 3'73, is a Great gear for prrformance and Street.. I ran around. (Locally) a Few Years back, with a 55 Chevy, with 5'38 gears, then later, a 68 Camaro, with 5'38 gears! Both engines were built, and the cars, were very quick.. NOT A TRIP TAKING GEAR, for certain! I am building another 68 Camaro NOW.. IT has a CERTIFIED 400 HP 350 (Built by Mike Saye) with 4'56 gears.. STILL: Not a Gear, for LONG TRIPS!! ;)

Good Stuff 👍

0:46 can anyone plz tell me what's the brand of the car?

So i ask my self this question. If I have a 3.73 diff gears, what is the max tire/wheel for his ratio?

only problem with the video is he mentioned overdrive with classics and not that most classic cars didn’t have overdrive

So what should i do in my lincoln marl 3.73s or 4.10s i drag race alot and do roll racing alittle

*Metric*, do you speak it?

So this is why some drifters run certain configs.

i want a 6 speed car with a 1:1 6th, and a 2.39 diff.

No one gonna notice the mans drip at 3:55 😂 flexing that his son’s kappa at work and he ain’t know lol

lets talk about people that put tiny ass slicks on to drag to multiply even more

The title implies he is about to compare the performance of 4.10 gears vs 3.73 gears. Never did. Instead he tries to explain a transmission.

Best video

1:30 nearly a money shift

3.36 rear gears

If I go with a 3.73 gear will it make my car faster with the mods that if have on my firebird bc basically what your saying is the higher the gear ratio the lower my mph is in each gear shift...

But in motorsports, how are gear ratios variable? Won't that mean replacing the whole gear for even the slightest change? (which is commonplace depending on tracks)

Higher numerically means lower gear ratios.

My car comes stock with 4.31 gears

Or 389

4.30s all day

Yeah.....ok

100ft pounds of talk

Haha so many mistakes with your graphics. The revs @ 70mph is bollocks. A 3.93 to 4.1 diff ratio would raise the rpm less than 200rpm, up from 4350 to 4538. Not the 1200rpm your graphic shows. Dumbing down for what you think your audience is? Heey nice you think so highly of us.

Hey

3.70s wouldn't get me over 52 mph. But my final gear is 1:1. This comment is for classic car owners who's unsure about gearing. If you are NOT running an overdrive and want to drive regular highway speeds such as 55 or 60 on relativity flat terrain with the rpms decent and not about to sling a rod. Best gearing for 3 speed or 4 speed transmission ive found are 3.25 for a 6 cylinder and 3.00 for a v8. These gears are for regular driving not racing.

My F250 & F350 have 3.73 gears, my old F250 had 4.10’s. Not much difference in the real world. Top speed in not an issue as these big 4x4’s ride so rough.

What ever happened 390 to 1? Or 391's .

Ok, now do a video discussing parasitic loss as power is transferred from the crank through the drivetrain to the wheels. So all of you calculations in this video have to be tweaked by an average 10% loss.

"took"

I already don’t like this off the title. Better gears, Better results.

It’s easy...race cars that are racing on tracks with many turns have gear ratios that allow them to pull out of corners...cars that run on tracks with long straights have ratios that allow them to pull mph down the long straightaways...🤣🤣🤣...now let’s everyone get along ...😂😂😂

1:48 - Thats a Puerto Rican license plate

Not quite right about why dyno in the 1:1 gear. It's not about output torque, it's about drag. The 1:1 gear is directly coupled, the input and output shaft are simply coupled together. This means the torque isn't being transferred through gears. This reduces drag producing a higher HP number.

I understand nothing

my cj 2a 5.38:1

I’m of the minority, where I like to have taller gearing Cannot stand cars going more then 2500rpm or so going 80mph

69 Chevelle?: 3.08's- go 80, 3:73- go 70, 4:10- creep around @ 45 mph.

Title implies the passing of wisdom regarding gearing, the "truth". So, what was it?

I prefer 3.38 gearing

Want to confuse someone, tell them with all things being equal, a 3.55 geared car will go faster than a 3.73 geared car. Now watch the arguments ensue. The smart ones will key into the "all things being equal" and know I'm right.

90% of drag race cars have to deep of gears

You don't know what you're talking about Buddy you never once mentioned the total diameter of a tire ..tires are gears too.. you want to know what's better 373s or 410s go put 373s in your car run a quarter mile then pull the rear end out put a 410 in there then run the quarter mile you tell me.. it's 410s

3:91 is the perfect rear ratio with 4 or 5 speed trans or 4:88 with a 6 speed

lbft? you mean nm!

Personally I think 3.42 ratio is just about perfect.

I want to be the first one to the finish line. I could care less about being the fastest. Get it?

Wait, first?