Is your differential cover KILLING your gears?
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- Опубликовано: 26 мар 2020
- Is your rear differential cover killing your gears? After more than a year of research, Gale Banks and the Engineering team discovered that some covers do more harm than good. Here's how they solved it.
Watch the full "Behind the Diff Cover" video series. • Differential Cover Dev...
Banks Ram-Air Rear Differential Covers currently available for 01-19 Chevy/GMC, 03-18 Ram, with AAM 11.5" or 11.8" 14 bolt rear axle.
The following covers are now in production: Ford Sterling axle with 10.5 ring gear, Ford M-275 axle, 2019-20 RAM with AAM 14-bolt.
Banks Ram-Air Differential Covers
www.bankspower.com/diffcover
Banks Power is protected by AMSOIL: www.amsoil.com
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Watch the full "Behind the Diff Cover" video series.
• Differential Cover Dev... 
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It’s great to watch real engineering and not just marketing.
It's still marketing wank, he made no comparison to the stock cover proving his it's any better than what comes from the factory. He said it's better than the aftermarket which is poorly designed, that's fine but made zero comparison to what the axle experts designed for production.
@@otm646 Here you go: ruclips.net/video/0PMvVcsU3PE/видео.html
otm646 the Banks cover follows the same fluid path and flow to stock covers but add better heat dissipation, sight glass, magnetic plugs that with take a square drive vs hex keys, better locations for the fill hole plus the addition of a drain hole, and gasket channel. Oh don’t forget Ram air.
I got 400kmiles on my Ford F350 with factory covers, still runs great with no noise, I don't think I need any of this.
It is interesting to see real engineering applies to mundane parts of a car or truck, but let's be clear, there is still a lot of marketing behind it.
The issue isn't the product or even company's fault, it is simply that the improvements are very incremental. There is only so much improvement you will realistically see with some of these products. Can you see lower temps, which might result in more efficiency and this better fuel economy? Absolutely! But your 15 MPG truck might now only see a 0.1 MPG improvement. Is that an improvement? Of course, but its negligible. Same with the life of your oil. Maybe now you can go from 100,000 mile diff change interval to 101,000 mile interval. Does that really matter? Your call.
I still like this product, their willingness to apply actual science and their enthusiasm to not be happy with settling for the status quo, but take everything with a grain of salt.
Good luck refuting the science. This diff cover isn't backed by your feelings or opinions, as science doesn't suffer Bro Truck emotions. Thank you, Mr. Banks.
Do you even lift bro? Lmao!
Baywarrior707 yea warmer oil flows better but it starts to break down at and lose viscosity.. unneeded work equals loss in efficiency. Yes flat back covers are deeper but if you watched the series those companies ask for higher capacity still meaning oil level is a lot higher than stock, another loss in efficiency.
@@Baywarrior707 The flat back ones also don't allow for proper fluid flow over the diff to the oil slinger for the pinion bearings.
@@Baywarrior707 you wanting to know what the airflow is behind the Banks differential cover highlights your misunderstanding.
Remember guys this ram air (thought) might help if your going 70mph all day long, American Alxe didn't seem to think it's important, I'm 68 an I've never heard of an Axle failing because the lube was to Hot, save your money an just change your lube when your supposed to..
This will surely trigger some grown men who think their trucks are god tier who fell for the crap covers.
I never understood the diff cover thing but I would get this one lol
@@kylerollins7882 honestly, I never thought about my diff cover, but now I want this one lol
@@kylerollins7882 same
I mean, I won't deny that it's better, but I've never seen a class 8 truck with a fancy cover. I have seen plenty of diff temp gauges, so it's obviously something that can get toasty (and over heat when pulling an overweight load up a 15 mile 6% grade. Moral of the story, unless you actually USE the truck instead of treating it like an SUV with a bed, I doubt you will ever have any issues related to heat relating to the diff.
I'm not sure there is anything that doesn't become unsafe that you could hook to the bumper of a truck to really over heat the diff. Pretty much have to tow a fifth wheel or goose neck. My neighbor hauled pecans and grossed 32,000lbs in a 2500 dodge. I think the GCWR is 18,000lbs. Thankfully, it's flat around here.
@@kylerollins7882 mostly the material of the new housing sheding more heat, with heat fins. but obviously flat back covers were the dumb part.
This is really about something much more profound than a diff cover. This has changed the way I think about alot of things.
Meatwad Baggins dont think too hard you ain’t gettin paid yet
@False Flag
Lets be honest. You dont know what profound means.
Meatwad Baggins it has completely changed my life in oh so many ways. What a difference a differential cover can make in your life.
@False Flag
That is literally not what I said at all. Why are you talking about a diff cover?
@@mikecastellon4545
Wasnt talking about a diff cover
4:35 he really had some sit off camera with a massive chain of extensions just to turn the diff
Had me coughing!
"So, how was your day at work?"
usually when i work on my car i cant find a single damn one, or a short one when i need a long one or a long one when i need a short one....LOL
Kinda like a pig roast.
I can't unsee that wtf 🤣
Don't even own a truck, but he sold me on it
The most practical vehicle you'll ever own.
And BTW, make it a diesel. An older diesel, like 1990's diesel (unfortunately many still out there have actually gone way-up in value in recent years).
@@erwin643 every sub-300,000mi diesels in my area are being sold for $20,000+ :(
@@simonbardell3527 And well worth it, since we hit "Diminishing Returns on Complexity" (Tainter) with automobiles years ago, with computerization and emissions control stuff that reduces efficiency (remove that stuff and watch the mileage skyrocket, particularly with diesels).
The analogy I like to use comparing gasoline to diesels is the old rivalry back in the 90's between W/intel computers and Apple Macintosh: Anybody who knew computer technology knew that Apple Mac's had a more efficient architecture, with more raw computing power. That's your Diesel.
Despite the ridiculous simplicity of the all-mechanical 12v Cummins in my old 1990 Dodge D250, it's the most fuel efficient diesel truck for its size (especially with air intake and exhaust upgrades), compared to more modern, larger diesels (granted less horsepower).
Even though I followed the entire diff cover series, and have already seen all this before....I watched this in its entirety as well because Gale is king.
Gale Banks turbo torque master for the win . . . again! thats what now? score? without count.
King you think he he is king. More like Diesel GOD.
I watched it twice, even though i watched the series aswell haha🧐
All of the other competitors have been real quiet lately🧐🧐😂😂😂
. . . . they actually . . . didn't . . know. . . .
See now this is genius. No marketing gimmicks, no random claims splattered on their site, just pure science and an excellent explanation. More companies need to be like this. I don’t even own a truck 😂
I was about to say "It's not genius, it's Gale Banks", then I realized it's the same thing.
This guy is so convincing. He should run a cult. A weird cult about diff covers that are DEFINITELY NOT FLAT.
Wouldn’t it be nice if this much engineering was put into everything automotive related coming from the factory
Ram is actually going to be implementing an antifreeze cooled rear diff on their 3500 trucks :)
It is. How do you think differentials run for 100K with never having the gear lube changed. There are literally millions of trucks on the road running stock differential covers abusing the hell out of them and not needing to buy a $400 cover. Don't mistake the aftermarket marketing as "engineering."
@Not Hitler Or just spend $50 in gear lube every ten years instead of the $400 cover.
@@tirefryr exactly lol people really think that because they spend more its obviously better
It is. Profit margin is king.
I have a mag hytec......I feel so used and it’s my fault.
Your first name..... it checks out.
I Ha e been skeptical about any no stock diff cover since my step dad was a few chief on a IHRA dragster. He always swore by stock covers. Or oil pans with twister tubes in the bottom of the pans. All custom made we fsbbed in-house. Our motor guy was a gm dynotech for 35 years
I did weld small air grabber cooling flaps to my. Drum brakes and hat style rotors. World of diff
@@davidmoore8741 twister tubes? Can you explain more
@@davidmoore8741 yes twister tubes, I'm curious!
4:18
There is John, the extension enthusiast.
I think I just watched the best infomercial ever! Was waiting for the "but wait, there's more". The amount of time spent and number crunching must have been enormous.
This series was amazing. Great final product.
This makes me want to buy a truck just so I can get a diff cover like this.
Beautiful engineering.
Instantly I thought a huge expensive advert. I wasn't disappointed... However you can't refute the science used. It's well thought out, well executed and explained. I cannot confirm or refute the claims but as an engineer it's sounds logical and believable for most part. If I had a need for a diff cover... Banks would have my cash purely for the belief they have in their own engineering and quality. Kudos.
You can't refute the science but it would be dumb to buy an aftermarket diff cover. Just look at how many people NEVER change their diff fluid and these trucks are still running. Just change the fluid and be done with it.
@@thefuzzypickle8277 There's two reasons to buy an aftermarket diff cover: off roading and extreme performance. OEM diffs are pretty thin, so they're easy to damage.
Banks saves us all again, always an innovator
I followed the development of this dif cover for a while. Was sad to see it wasnt available for Fords yet.
Ya that is odd. Considering there are more Superduty's sold in north America over any other brand.
@@jforu33 it was even more odd considering my 7.3 has a bunch of Banks parts already on it
It says fords are coming
I would almost bet he made them with the hotshot guys in mind. They are nearly always are driving dodges.
Biggest reason is the Dodge and Chevy have a similar differential and use the same cover. So by building 1, you cover Chevy, GMC, and Dodge.
Mr. Banks I love the amount of research you and your team put into these things
I watched the whole series you did on diff covers, Very well done. I will be getting one as soon as I can
Gale, I think what has drawn me to you and your products is your relentless pursuit of efficiency, I applaud you!
Your guy's engineering is next level. Always on the cutting edge 👏
I was so concerned about the fins sticking out, smacking them on a rock - but you even thought of that!
I never give a thought to the differential being a fuel eater. Especially seeing how the oil would heat up while working. Your graphic showing the oilas it move up the ring gear to the pinion gear really points this out. And with your diff. cover addressing not only the flow of the oil but cooling the oil at the same time. I can see where that is benefitting the fuel mileage of the engine. Thanks for sharing Mr. Banks.....
So Wise , Thank You. Thank You for the explenation of why even a diff cover needs to be Engineered
I've been waiting forever for this series to finish. I loved every one of them.
The amount of these I see on the road is actually pretty cool
So the flat back covers really grind his gears?
IT has never made sense to me either.
Its about oil circulation not grinding
@pete smyth I was thinking the Peter Griffin joke.
Time to GEAR up
Nice
Damn, I don’t even heavy haul and Gale is convincing me to replace my diff cover. This man can sell water to a fish!! Great work man!!
I've been following this whole series. Thanks so much for the education, these videos have been super informative!
I don't even own a truck and this Saga has been fascinating. been watching this since your first video. keep up the great work. hoping to see this sort of technology in the oems in the future!
My rear end was heating up, just by watching this excellent video explaining with real life situations, models and animation. After 50+ years of fixing vehicles from cars, trucks and school buses, it is very clear to me that they thought of something I never gave a second thought to. I was just glad to have a customer willing to let me change the lube. My god, it only takes a minute to get a finger in the diff to pass judgement on the lubes condition. Great idea as it is one of the root cause of differential failure plus heat degrades all of the man-made chemicals added to make GL4 / GL5, much less synthetics. I have rebuilt differentials for decades, keeping lube on the pinion bearings much less the outer axle tube bearings can only help, whether full-floating on not. I can see some fuel economy gains but rotating parts under the extreme loads getting lube, as these components see unbelievable loads while pushing an empty truck or loaded vehicle down the road. Great product for vehicles with larger loads. Why do they make covers that preload the main caps? Is it because of load forces? You bet. GM engineers have told me many times that components are designed for 5,000 hours. This is 150,000 miles. As long as fluids and proper service is performed. ASE Master Tech since 1978 - Retired “I like it!”
Banks is a solid company with a passion for engineering.
im a flight instructor (Airplanes) for 2,5 decades.. This is very true. Im buying it for my jeep cherokee with 160k miles and some backlash already. Wont wait for more wear out..
This man is the real deal. Pioneering the way diff covers are made and blowing away the competition!
I've been following the diff cover series waiting to see what u come up with. Well done...
Happy I got mine a few weeks ago. Almost fell for the hype of the others but thank goodness I waited for Banks.
I really enjoyed how the bottom section of the cover sheared off. If it consistently shears like that without losing fluid, that's great piece of mind when offroad in some rough stuff.
Fantastic amounts of quantitative information conveyed in a perfectly understandable way. Very very well said. Great video, I don’t even own a truck and this was awesome.
Beautiful cover and engineering that works!!! Well done
Damn! I really love the way you do research and development. And you put a truly innovative and superior product on the market. Thanks Gale for thinking outside the box. Can't wait to get mine.
Love mine! Was so glad to see the progress, and the research done from the videos. It was a long wait, but so worth it. Keep up the great work. Can't wait to see what you guys come up with. Exhaust manifold on the 4th gen rams, or a 2010-2012 intercooler perhaps. Love your products and your enthusiasm for the R&D. Keep it up. 😀
I have a Mag-Hytec cover on the Dana 80 on my 2001 Dodge, and ran it for many hundreds of thousands of miles delivering trailers. I did have a rebuild done at 250k miles, basically to change the axle ratio. I finally had to retire the truck at 580k miles because a lot of small things were going wrong, electrics, heater, and the transmission was making grumbling noises again. So I replaced it with a 2008 Dodge. I watched all of Gale's diff cover series and was impressed with his methodical approach and attention to detail that the flat-back designs missed. I bought one as soon as I could and have had it on the truck for about 20k miles. Things are good so far. One thing that sold me on the Banks design was the 4-quart fill, instead of the 7-quart fill of the Mag-Hytec. I always run synthetic diff lubes, and saving 3 quarts on the fill helps.
Just when you thought this diesel master done it all. He comes up w/ this.
Definitely hope Banks makes these covers for the “old school” bomb proof, 14 bolt 10.5” corporation full floating axles. These axles have been around since 1973 thru current year gas trucks. I would think there are at least a million of these axles currently around being used. I know newer diesel trucks since 2000 have gone to the larger axles. Not everyone has these trucks though. Please Banks, offer more covers for different axles!
In 1998.5 they went from a 10.25 to 10.5. The 10.5 lasted (I believe) all the way through the 6.4 psd.
@@TJrcTX i don't think ford used the AAM axles in any of their models. They have used Dana for the front and their own (?) rear axle with similar size ring gear. AAM is an independent company that was purchased from GM (what was orginally called 'corporate') and then became standard equipment in most or all of GM and dodges.
@@travispfannmuller7717 at some point they stopped using dana axles in the rear, started using the Sterling 10.25 and 10.5. The GM corporate 14 bolt with a Detroit locker was the best rear axle set up I have ever had in a truck.
Tim Steinke they still use sterling 10.5 on all the single wheel super duties pretty much 99 to current. Duallys use a Dana 80 rear axle
If it’s bomb proof you don’t need to improve anything, do you?
I appreciate just the amount of work research and development that went into that did cover, it’s one thing when a company says it but to actually see it is awesome!
Thank you Gale & The Banks Team. Just ordered your Diff Cover for my 2000 F250 7.3 with less than 8,500 miles on her. Looking to keep her healthy for a very long time.
Nice! Send us some photos on our socials like Instagram or Facebook. We love sharing photos with our fans.
@@bankspower ok, I’ll share to your Facebook messenger.
so awesome to see Banks innovating again , just killing the game lately !!!!👍👍👍. wish I could afford all the cool stuff u guys have .
Love it! Straight talk backed up with solid proof.
Idk why I just watched this but I was hooked!
I hope this guy never passes away. So much real information no matter what he is building.
I’ve never had a diesel but I love hearing this guy talk. Super knowledgeable and clearly loves his job, I would too lol
One of the largest reasons I have such respect for Gayle Banks. Nothing he says is "marketing", it's all facts, science, and engineering behind everything he says.
Great quality product! I've been waiting for the weather to warm up to install mine, though I'm a bit hesitant living in interior Alaska.
It's nice to see a well designed piece with thought behind it. 👍
I really love how thorough they analyzed and tested and reanalyzed to put a perfect product out that actually work! I can’t wait to buy one just for peace of mind,knowing that I’d be doing everything to protect The whole rear end a less wear in tear. Nice job!! AND life warranty! Just can’t beat that!#BANKS
Clear, concise explanation of a brilliant product.
Gale is the man! I love it! Calling out all those idiots and "cool guy mods". I have always ran an OEM cover on my trucks, but this one has the science to back up why I'm going to buy it!
This was actually really fun to watch come to fruition. I suspect there may still be some aerodynamic drag from having to redirect the air flow (no free lunch) but everything makes sense to me. I'm honest, the O-ring grooved seal is the the part that made me giddy...and I'm sure many of you did too.
It'd be interesting to see a test to determine whether the scoops pumping air behind the diff would reduce the slipstream and if it would be enough to offset the drag created by them.
Absolutely amazing Gale!
Build a Banks diff cover that has a clear cover on it so we can see the fluid doing what you say it does. Love your study and science based facts. You are a very intelligent person Mr Banks.
Bravo. I've always wondered why people were adding more gear lube to differentials. Working with industrial-sized gearboxes, whenever a tech added too much gear lube to the unit, it would cause the temperature to quickly Spike to 400 degrees. Finally someone did some research and engineering.
Really looking forward to put one on my f150.
Utterly brilliant strategy: real engineering, real results, and tell the truth!
Been waiting for this. Awesome
Thank you
holy shit. i learned more about air dynamics in this video than i did in high school. also, this cover is going to revolutionize everything to do with diff covers.
Nice work Gale, I enjoyed watching that.
Fantastic video! Informative, productive, embarrassing (for a few 😉) and well presented!
edit: Can't find many companies with that kind of research behind their product. The hammer test that proclaims the rock hit policy, love it!
I remember the series on these covers and the research. I've been holding off on upgrading my cover on my 2018 F350 dually now it's looking like my wait may be indeed over!!
Sterling axle cover is now in production, followed by M275, M300, and various Danas.
I got one, its a great product. Thanks Gale.
Amazing job gale, thank you.
Great work. Took a long time to finish
That's some really fucking neat engineering.
reminds me off the bmw m series cars rear diffs. Their diff covers have big heatsinks that sit low in the airflow under the car to keep cool.
Well I'm convinced. Is Banks going to release a Front Diff cover as well so they will match?
For the front cover you mostly just want armor I think. Unless your desert racing I don't think you will be working the fluid very hard offroading. A strong smooth front diff cover that resists mud buildup would be cool. Mud insulates pretty good heh. Friend had a finned front diff cover on his Cherokee and it would get packed with mud. Not sure how much heat it built up in that environment though.
@Lassi Kinnunen pretty sure that's not the case with the AAM axle in the gm and dodges. There is an axle disconnect
Travis Pfannmuller not all of them, my 06 dodge does not have a disconnect.
That's what I like, real research and thought out engineering to deliver a premium product that isn't just made to take the customers money. You rock Gale Banks!
Smartest, most eloquent and respected man in the performance aftermarket automotive industry. Much respect Mr. Banks, thank you for designing and manufacturing a product that actually WORKS!
Pure old school. Tells you his product is better and even puts in the work to prove it! 👍
Wow now this is one bad ass diff cover.
Well done MR Banks and your crew.
Think ive seen this b4. Repeat? I watched it over and gave ☝anyway. Love what u do
What an eye openner!
I truly hope to see you guys expand your line on more trucks soon, Especially an obs 7.3.
Looks very well designed
Excellent diff cover!!!!
I loved watching all the videos when y'all were testing the competition as well as the stock ones to see how to actually make a better diff cover, not just make one that looks like it's doing something. I've always felt that most covers were a waste of money, and laughed every time I saw a lifted pavement princess with one. Great work guys!!
Thank you for showing us
Great review , I hope your product sells great🇺🇸
Beautiful presentation! ......
Facts and all clearly explained, this is auto engineering at is purest!! 👍
Proper job on the design. Good to point out how the pinion bearings get their lube since its not immediately obvious until you've looked inside a rear-end, and those get fairly hot due to the required preloading.
I watched the rear diff vid that had the clear cover on it just before this and sent a message asking about over filling. The way the fluid was running at 15 mph and then again at 30 mph made me thing that there should be inner fins that direct fluid to the axels. Then I watched this video and was blown away that my thought of how that should be was exactly what you just showed you had already developed. I love it. I didnt imagine all the heat transfer stuff but I did have the fins that channel oil to the axels in my mind already. Amazing stuff SIR. Thanks for you posts. Now I know that there are other guys out there who think like me. lol
Edit was just for this question: Could you possibly make a video of the oil coming down the axle tubes (both tubes) by putting a clear cover on the ends where the brakes would be? I often wonder if one side gets less oil and wears the seals out quicker than the other from lack of lube. thx
Mr. Banks
You are awesome sir! 😎👍
Absolutely superb
I like when people talk to me with their brain. Captivating to listen to this video. Keep it up!
You are an absolute genius.
thank you, great information and presentation!
You guys are awsome!
Boy when gale goes to do something not only does he do it he kicks ass at it. Heaven help us if he was let loose on nation problems. God bless you gale banks stay safe
Since I solved the braking problem on the Hummer I got a question for you. "What happens when the air ramp fills up with mud?"
The reason I ask is that was the problem with the Hummer's first gen parking brakes. Mud would get up there and force the brake calipers closed and the disc brake would heat up to glowing red metal and turn into a bowl which was right next to the fuel tank.
Now I like that it breaks away if it were to get snagged on a rock as no one likes to get stuck and require an expensive tow in the middle of nowhere.
It's great to hear and watch videos like this I just would love to know who keeps coming up with these great ideas and who is thinking of this when you think of Gale Banks you think of horsepower performance great ingenuity and Brilliant ideas you must have some team of Engineers who just sit back and go over these vehicles and thinking what can be improved to help the consumer
Super nice efficient cover 👍🏻💪🏻