Dana 70 Rebuild, Lincoln Locker & Disc Brake Conversion - Reckless Wrench Garage
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- Опубликовано: 9 фев 2025
- On this episode of The Reckless Wrench Garage, we rebuild a Dana 70 HD axle. The axle looked good on the outside, but it was pretty gross inside. We used a Yukon Gear and Axle master overhaul kit, and a Hardcore Diff cover. There are not many good options for a Dana 70 HD, so we welded up the spider gears and made our own locker, a Lincoln Locker! Finally to save some weight and increase braking power/efficiency, the drum brakes were converted to a disc brakes.
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On ColoradoK5.com, my 4x4 groups site. We (back in the old days) 20 years ago, called welding the ol' 14 bolt rear's spider gears, we called it welding up the "Ball of Doom"
As the spider gears when completely welded, resembled a ball. I don't remember anyone ever breaking one. So, there's that. Keep at it!
Switching to disc is nice. 70 Lbs of unsprung weight reduction is nice. The stopping power and better looks are excellent too! Nice work and video.
Epic ending, guys! I am enjoying seeing Chris get more comfortable behind the camera.
Thanks Josh, glad you liked the ending LOL!
Oven cleaner for axle housings and frames and grungy stuff like that and I pressure washer works absolutely amazing!! Very inexpensive also!! Not sure if anyone has tried it before but that's all I use basically
We’ll keep that in mind. Anything to make prep easier is beneficial. 👍🏻
I'm doing my first S.A.S. on my 98 dodge Dakota and after watching y'all do this Chevrolet suburban I think I have a better idea of what I'm getting into, it's way cool how you bobbed the back . I want to Bob the tail on my project but I only weld thick metals for now but with a lil more time I think I will be able to do it and make it look good.
You guys are awesome and the inspiration for why i just picked up (2weeks ago) a matching set of 02 f350 superduty axles to go under my 90 super cab ranger. Keep up the great work and videos, I'm definitely subscribing.
Boheefuseverett, going full width 😎
Watching your video giving me more ideas to fabricate and modifying, so many tips and new knowledge from you guys!! Keep cut and weld for good🥰
Thank you! Don't be afraid to fire up the welder and just get after it!
You guys do some badass driveway fab really inspiring showing people all you need is persistence and a lil money
Thank you!
Pushing the limit on ads
This video is pretty popular and RUclips took it upon itself to fluff the ads. It has been adjusted, thank you.
The Bob Ross bit killed me. Haha. I learn a lot watching you guys. I'm sure the Lincoln locker will hold. However, if you're ever worried about a weld holding, put some heat into the part before starting an arc on it. Even just 300° will go a long way for that little welder. Can't wait to watch the next video, keep em comin! 🤘
Thank you! Glad you enjoyed it. I have recently learned about the pre-heat and have seen how much difference it can make. I’ll keep that in mind for future projects. We did do that on the front housing for the truss.
Good job guys. Really, the old guy.
Yeah! I like both of y’alls rigs. Keep the videos coming!!
I really enjoy your videos guys keep up the good work, I always learn something from whatever your working on
Thank you!
Id be adding more to that truss. Tie it into the diff cover or somthing, ive seen guys rip off ones that had way more contact then that one
Did you just use the stock lug studs? I read that they may be too short after the rotor goes on. Any issues there?
Yes I used the factory ones. It’s a dually axle, I have all the lug stud. I don’t remember what the difference in thickness was, but it wasn’t much.
I never thought about pulling the pin and rotating the spiders. I welded my spiders to the case also.
I did the on the 10 bolt that used to be under it. This time I was able to weld around the entire small spider gear by pulling the pin, so I didn’t bother welding it to the carrier.
RecklessWrenchGarage that makes since. I may weld the posi in my Sterling. It’ll be hard because it’s kinda like a 14 bolt carrier. I’ll have to disassemble the carrier to weld them.
love the Bob Ross, paint job, i didn't see any birds though.
Awesome Vids!
Bro this channel is dope! How do they only have 11k subs? There content matches with some of the top guys doing this I feel like
Thank you!!!
I learned a lot here.
I always wonder why people don’t use more anti-seize or heavy duty grease on all bolt threads
Wicked awesome video as always gents!
I mist where to buy the brake conversion kit please and huh to hub width thks
At 11:42 at the bottom of the caliper is that by your right hand with the rubber cap on it?
The pinion was pointed down. Notice the shock tab right next to it, which is mounted on top of the axle.
It's nice to know it is possible to get the gears out without a case spreader. I just scored a 1999 Dana 70 out of a truck and I think it has a spool or something because both tires are locked solid and rotate the same direction. I only paid $200 for it and I am doing the disk brake conversion and I need to put 5.29 in to match my front. I'm so curious about pilling the diff cover off and seeing what's inside. He said the pinion seal was leaking and he wanted a Dana 80 so lucky me. I'm putting it in my 93 Toyota 4 Runner. This was the 1st video on this that did it with a case spreader, did you find it hard to get the gears in? It looked like they went right in? Cool video.
Before you get too excited, you might want to double check gear availability. To my knowledge, there is no selection of gears between 5.13 and 5.86 available for the d70.
I was planning on getting 5.38, but it’s not an option.
I have removed/installed the diff in this axle a hand full of times now. Without the spreader it take a little more effort, but still doable. There are a number of tricks you can try in order to remove it.
Did you have to put a proportioning valve on to keep them from locking up?
I didn’t need a proportioning valve, but I did install one. I used a master cylinder from an 02 3/4 ton Silverado. The valve I installed is now adjusted all the way out.
I was watching this episode on the toilet so yes i could sense exactly how that diff smelt
Hahahaha!
@@RecklessWrenchGarage Hi, could you tell me how to know the ratio from the axle, because I ve seen there is 4.10 ; 3.56 .... Is it stampped somewhere or how can I do to find it, because I need to change my pinion beraing? Thank you in advance
Take a look at your ring gear, you should see a pair of numbers stamped on it separated by a dash. Divide the two numbers and you’ll find you gear ratio.
Example 10-41 will be 2.43:1 ratio. 41-10 would be 4.10:1 ratio.
@@RecklessWrenchGarage ok thank you very much For your help.
12:17 you get it right
I was like wth is a Lincoln locker then they pulled out a mig gun and it made sense
Where did you guys buy the rear disc brake kit??? Share the info or link maybe ??? 🤙🤙😎😎
We originally ordered the kit from Ruff Stuff Specialties. After switching to srw hubs, we ordered weld-on brackets from Barnes4wd to relocate the calipers.
@@RecklessWrenchGarage ok,, super !! Thanks
I will try to find something like that for a jeep J20 that I found in mexico, with a dana 70HD I believe.. the problem is that the rear drum brakes have no self adjusters,, it just has two springs from the shoes to the top pin and one spring at the bottom that holds both shoes, that bottom spring is sitting on top of the adjusting screw (looks like a star) keeping it from turning by itself,,,,,😁😁
It must be an very old type or brake system, unless is missing some hardware parts..
@@RecklessWrenchGarage look what I found digging on the web.
images.app.goo.gl/5Nza8dBnwxT2UrqD9
That's the kind of rear brakes on the J20 I was telling you about..
The silver piece on the very bottom in that picture is the adjuster.
@@RecklessWrenchGarage yeap!! But did you notice that there's no " self adjusting lever" !!??
Like in any other brake shoe system.
that ending tho XD
Why are you welding the spider gears? To stop differential slip?
Yes
Got a question guys i just got a set of dodge one ton axle front is a dana 60 kingpin rear is dana 70 but seem like there is no 5.38 gears for dana 70 what gears are you guys running on that rig
Thanks and keep up the great videos
I don’t know of anyone that offers 5.38 gears for the 70; closest is 5.13 and 5.86. The Stuburban still has 4.56 gears because of this. I haven’t decided which gears I’d like to swap to.
Are your axles from dodge or chevy
Chevy
@@RecklessWrenchGarage thanks buddy
I got a question, I'm assuming this was a dually at one point, did you just use the same hubs? And the disk conversion, I'm assuming that was specific for a dually due to the bend angle?
I recently bought a 70 dually from a 92 dodge, want to basically do the same thing. I chose to put the 70u I got into my hauler instead
Yes, in this video I had the factory dually hubs and the kit was specifically for the dually.
I later swapped to single wheel hubs to push the wheels out further, and used weld on 14 bolt brackets.
@@RecklessWrenchGarage awesome, I've been researching this topic for a while now and there really isn't any info out there. I'm planning to do basically what you did here in this video, as a build for my zj. I am trying to find the connection, but you have the video on the d80 spool, did this diff blow up?
What info specifically are you looking for?
We have a video with a little detail on the hub swap also.
This diff was welded. After the inadvertent axle removal, I noticed one of the welds had cracked so I swapped it out for a spool rather than welding it again.
@@RecklessWrenchGarage I have the DRW d70 and it has the gigantic wheel studs. I have a SRW d70u, and am trying to find out if I can swap hubs from one to the other. I know the axle length would be off, but I plan on running chrome shafts in both..
My plan is to take the 30spline d60 out of my 81 crewcab. replace it with the 32spline d70u, and put dually hubs and wheels on it. then use the DRW d70axle in my jeep project. I already have an artec truss for the 70, and is a bit different fit on the 70u. I had also thought about the d80 spool from ECGS, but its a bit spendy.
The axle lengths would not change if you change the hub. The mounting surface for the axles remain in the same place, only the wheel mounting flange location changes.
I don’t remember how the 70u carrier differs from the 70hd, but in my case, the spool was the cheapest of all the options, except welding. There may be other options for the 70u.
Good video i love it
You can get a Detroit locker for the Dana 70 for under $500 or a spool for about $115.
I’d like to know where you can get either of those for that price.
The Detroit runs ~$700 and the spool ~ $500.
What is the axle out of originally?
Next time you weld the diff put a little piece of metal in the center that way you can weld on all four sides not just the corners
carl loader I did that on the 10 bolt that was under the suburban before. This time I pulled the pin and spun the gears around so I could weld all the way around the outside of the side gears. It’s more than just the corners.
Did you also need to install a proportioning valve? If so, what brand did you go with?
I did install a wilwood proportioning valve; however, I didn’t need to since I also installed a master cylinder for a newer Silverado with 4 wheel disk.
Awesome. I purchased the same kit for my first-gen Cummins...using your vid for instruction. Love the channel!
I wish I had skills like that. I have a 79 Ford kingpin 60 front and 60 rear but just sitting because I lack fab skills
If you have the tools and motivation, start practicing. That’s the best way to develop some skills.
Muito top curto muito muito o vídeo de vocês
hahahhahah when you came down through i was dying xD keep up the badass builds!
What type of gear oil did you use for that beast?
I typically use conventional 75/90 or 80/90. No specific brand.
For that Dana 70 is it from a dually? And what size studs are you using? Working on swapping king pin d60 and d70 from dualy into k5.
It is from a dually, if that is what you are asking. The studs are the factory ones. I swapped to the 14 bolt srw hubs and kept the same studs. I believe they’re 9/16”.
RecklessWrenchGarage yes, thank you I meant dually. I’m thinking that’s what we’ll be going with. Thanks for the reply.
Does this kit have a park break setup??
No, but there are other calipers that fit these brackets with a parking brake function.
What tires do you have on the burb? I would like them on my 38 ford pickup.
The ones in this video were military Goodyear Wrangler MTRs. The tires that are on it now are PitBull Rocker.
.........awsm.........hey the burb haddah turtle head poke'n owtt LOL.... :)
Dana 70 remember F series F250 2007 Cummins Brazillian
Looks like you could use a new bump stop on the passenger side.
No, the schrader valve was loose so all the air leaked out.
Looking out your garage looks a whole lot like base housing on a military base.
Weird.
Dually kit ? If so will duals still fit
It was originally a dually axle, yes.
It now has 14bolt single wheel hubs, but still using the longer wheel studs, so it could still fit dual wheels.
How about the parking brake,, where is it???
These calipers don’t have an integrated parking brake, I have a line lock.
Hey guys I love your videos! I watch them everyday to help me improve and get little tricks to help me improve my 4x4. I live in New Mexico and I want the same exact set-up as the suburban and ranger have under neith. But there is no macanics around here that now how to build a crawler so I've been in a bind for awhile trying to do things on my own. I'm willing to pay u guy to help me work on my crawler. Please I'm just a young guy with a dream wanting to be on the trails. I have 1000$ to start and I'll help u guys with your projects, put me on the team! I'm willing to do anything I just need help finishing my truck!
Where were the parts sourced from to do the conversion? Will it work on a dana 70 dually?
Michael Cordova As we mention in the beginning, the disk conversion kit was from Ruff Stuff Specialties. Yes it will work on the dually, that’s what this axle is. You just have to make sure you get the d70 dually kit.
oh cool... a scale from 1974... I think my grandma had that one. very accurate. hahahahah Seriously though... 70 lb difference... that is impressive.
Maybe i missed something but what you do for parking brake? And there is no proper way to weld a diff. The process itself is improper.
It doesn’t have a parking brake at the moment. There is a manual line lock, but it will be replaced with a hydraulic hand brake later.
How do you not have more subscribers?
Why no a 14b, they are plentiful and cheap and plenty of locker options?
davkenrem I got these axles in trade for my old axles. No need to buy another axle if I already have one.
What kind of welder do you guys have? Thanks
We each have different welders. The one we use most is a Lincoln Weld Pak 140.
Did you guys make that rear bumper on bend tech?! Cause i have the same exact one haha!
Yes, we came up with the bumper designs last year. We took some ideas from bumpers we saw on google.
RecklessWrenchGarage sick!
Was that a dually kit?
The brake kit was the dually kit, yes.
@@RecklessWrenchGarage I have a srw dana 70hd will the dually kit still work?
what size welder you weld with?
We use a Lincoln weld pak 140hd most of the time.
I thought the HD was a 10 lug axle? not an 8 lug. or am I just thinking of the chevy 3500hd trucks
I don’t know of a Dana 70hd ever being 10 lug. My C30 has an 8 lug 70hd as well.
RecklessWrenchGarage maybe I'm thinking of the late 90s model chevys the 3500hd had 10lug rear axles. they was also Dana 70 or maybe it was an 80 I cants remember lol
Motor home 70s are usually 10 lug.
👍😁🤘
and drums have more stopping surface then disc. so they stop better when working correctly. that's why semis still use them on the rears
you coulndt be more wrong, semis use air brakes and drums can engage when the air fails...simple as that..theres not one performance vehicle in the world that uses drums...and semis would be light as a feather if technology woild allow it...you probably think anti-freeze freezes before water too...
Como es que se puede soldar el fierro vaciado? O no lo es
We did not weld the cast iron on the rear axle.
The front axle is welded on the cast. We heat it up to 400*f, weld it, slowly let it cool.
Why the dana 70? Why not the 14 bolt?
Because the person I traded with had a d60 and d70hd. I also wasn’t ready to dive into shaving a 14b at the time I did the swap.
70 is a better axle
👍👍
В принципе, не зная английский, смотреть можно, если разбераешься в технике
Даня Палыч хорошо они их люфтуют не то что у нас
Круто
Lincoln locker
ALWAYS USE LOCTITE ON THE RING GEAR BOLTS. TODAUS METALS ARE NOT WHAT THEY USED TO BE AND RING GEAR BOLTS WILL WORK LOSE IF NOT LOCTITE-ED. TRUST ME.
No E brake?
We are installing a hydraulic line lock in the rear brakes
A 3/4 ton 14 bolt would of been more ideal for locker options, and it would roll right in.
I am aware of that; however, the deal that came up was a 60 and 70, so that’s what was used.
America 🇺🇸 💪🏼🤙🏼🔧🔩
@1142the bleeder is upside down just saying
Negative. Look again.
日本語で失礼します。
最後とんでもない所から顔が出てきたぞΣ(ﾟдﾟ;) ﾇｵｫ!?
Lamban
Сателлиты слабовато заварили. Порвет
牛逼
Tolk too much-!!!
Cool, I don’t know what tolk means.