Changing my 1984 SUNRADER'S ATTITUDE (4.56 third member swap in a Toyota pickup for under $400)
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- เผยแพร่เมื่อ 25 ก.พ. 2023
- I took a break from my skoolie project to swap the rear gears on my 1984 Toyota Sunrader. Changing the rear gear ratio from the stock 4.10 to a 4.56 or 4.88 is a great way to improve the performance of these underpowered wonders. Moving to a different ratio is a great way to alter the performance of any kind of rig, camper, bus, or van without breaking the bank or your back.
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Thank you for walking us through this! The DIY Sunrader community needs this kind of content. Well done!
Made it for you!
Yes, well done.
Excellent video! Thank You so much!!! I first started watching your videos because I was interested in converting a school bus. Then I realized I wanted something that would be easier for me to maintain myself, so I started looking at the old Toyota Sunrader AND here you are showing me about a Sunrader now. SO interesting that an average person can do this job themselves!
Chuck you have gone gold‼️ This video is the top video posted on the Toyota Sun Rader differential gear ratio change forum 👍
Love that!
I've always been a fan of full floating axles. Many advantages. Comes in handy when you need to tow the rig too if it breaks down. Simple to pull the floating axles, cover with a plastic bag and then a piece of cardboard, a couple of the bolts snugged up and homemade cover will save you a ton of mess and not losing your diff oil. Gotta love drop out 3rd members too.
Great point!
Fantastic tutorial, thank you for empowering me to do this
There's something about watching someone else do the dirty work that just makes me feel good, thanks.
Thanks for these videos. The last time I worked on a vehicle was changing the oil in my 1986 Toyota 4Runner in the early 1990s but you inspired me to yank the alternator on a Caterpillar to replace a voltage regulator myself rather than paying someone to put a new alternator in.
Damn Chuck...I wish you belonged to me--lol Too bad I'm old, but I would love to have someone like you with all your knowledge and skills to build my vans and take care of my vehicles. Another great video of teaching.
Been there on the old toyotas we have had a bunch us and our boys great trucks very durable.80,81,82,85 and two tacomas.All 4 cylinder trucks.
Noting the staking of the nut is some expert level knowledge, aviation, firearm, machinist, and structural steel (iron workers), will appreciate it no doubt
One thing about those cone washers if you tap on the outside edge of the hub, perpendicular to the cone, That is the best way to remove them. Your tapping on the edge makes the counter sunk cone to big for the hole it 's in and it pop's right out.
Thank you Chuck! Very much appreciated :)
Very welcome
Omg if you made a channel “Chucks Trucks” and talked about all the light and medium weight duty trucks, that’d be awesome. Keep at it Bob Vila!
Well done video, like all the rest.
good vid chuck..only thing well 2 things to pop the cones ..tap on the side of the diff cover ...or diff if that won't work back off the nuts till you have a thread or 2 showing on the stud use a drift or brass hammer on the stud's.doing that ya won't flatten the studs or hit a thread...just a hint...
Great video. I learned so much from this one thank you.
Glad it was helpful!
That looked even simple enough that I could do it!
I had the 79 shorty dolphin, it was the best rig i had, it was tin though you got the best, cool
Are those orbs floating around starting @ 4:48?!?! Interesting to say the least unless it's dust particles. Little bit of filings on that magnetic drain plug but oh well LOL, there's a new gear set going in anyways. Nice Bilstein's! HD's or sports? Can't tell on crappy tiny phone screen. Along with those bags I bet it rides pretty decent. You can put paint on your ring and pinion to check the contact area/ backlash. Most likely the bearings are definitely toast in the old one. Redline is good stuff. Used it in all my bimmers, from E30/ E36/ E46 track cars, plus my E34's I drove hard on the street, both in the trans and the LSD diffs. Works great under hard conditions and holds up super well to the heat. Don't blame you for using it. I totally agree with you 👍
my first car was an e30 325is! Those are HD bilsteins and they made the rv ride so so so much better. those floaty orbs must have been dust
Wow, great presentation Chuck! Always wondered about this. So well irganized. Another Margarita worthy presentation :>)
Drinks on me next time MarGEARita
Thx for video
I'm looking for one of these campers, What a pain to find.
I have to double-check my thinking when talking about rear-end ratios. Lower gear is higher numerical. Also, If it can't be fixed with a hammer, I'm not your man so there's that too.
That Sunrader is a 4 cylinder?! Now I don't feel so bad about my V6 Econoline! LOL
Hey man. I just found you. I have a 86 sunraider automatic transmission. Can I use a yukon or does it need to be a 4- runner? Awesome video man. Thanks for your help.
Great video! I might attempt this myself but what about the speedometer?
i am having an adapter made to make it accurate again
Great explanation, thanks! Do you agree w/conventional wisdom that 4.56 is best for AT V6, or would you go 4.88?
He missed answering but I'll give my opinion. With the auto trans, so long as it's an Overdrive Automatic, I'd for sure do the 4.88 over the 4.56. Now if you score a deal on a 4.56 or it's what you have, I'd go for it but the 4.88 would be a hair better. A bit about gear ratio... So the 4.56 means the driveshaft turns 4.56 times, which is just over 4 and a half turns to 1 full wheel rotation. So a 4.88 would be .32 of a turn more than the 4.56 or you could say 1/3 more of a turn being the .33 is 1/3. So you see, there's really not a ton of difference there when you consider 4.56 would be a hair under 14 thirds of a driveshaft spin to one wheel revolution where 4.88 is just over 14 spins. Could also look at 1/4 turns. 4.56 is just over 18 quarter turns and 4.88 is a bit over 19 quarter turns. So that'll kinda show you the difference in a percentage wise and you might find as expensive as it is to have differential work done, unless your jumping at least 2 steps, like 4.10 to 4.88 or getting in it to add a locker or limited slip anyway and you happen to have a set up of 4.56 for cheap, then go for it. But automatics tend to be weaker transmissions so they love all the torque relief you can give them which is done by gear reduction. So why I suggest the 4.88 to give that auto the relief that it's begging for, but yet you still have the overdrive to compensate for the low rear gear ratio for highway speeds. Remember, low rpms is not always good. You get to low of rpm, then the engine isn't in it's power/torque band and though the rpm is lower, it's straining the engine where at higher rpm is may be almost like freewheeling feeling no strain at all.
I'm about to swap, so clearly no expert....but the vast majority on the Toyota RV forums I've seen recommend 4.56, so that's what I'm doing
Chuck, tell me Toyota didn't use ball bearings in their full floating hubs ?
They are all roller bearings
@@ChuckCassadyYT As in the traditional two tapered roller bearings with an end play setting like a heavy pickup, semi, or your buses all have ?, is there a plug in the side of the hub to put grease in or just repack upon assembly ?. Long ago I had a 1982 toyota short box 4x4 and of course no floating axle but they used a sealed ball bearing. Probably much the same 2.4 engine although mine still was in the day of the carb.
@@charlesb4267 this is carbed as well-just put a weber on it. it is the dual taper setup, grease is packed upon assembly
How are you doing this without nose plugs? Diff fluid is the worst! I actually tried dabbing some on like perfume once to try to scare this creep that would not take a hint away.
If you hate the smell of gear oil, try working with a diff that has had certain brands of limited slip additive, for some reason some of those products stink like you wouldn't believe, makes standing beside a bubbling sulphur pool in Yellowstone seem like a breath of fresh air in comparison !
That’s some metal flake. I’d say you were cheating the odds on that old diff.
It was making the sounds, I’ll tell ya
Hey Chuck, it's off topic, but I always wonder if there are many people using (small) trucks as a base for their builds? As a European, our trucks look like the one in this video: th-cam.com/video/lU7WYMCnLLM/w-d-xo.html
To me, it looks like the biggest advantage is the rectangular shape of the bed, no rounded / not straight corners like in a schoolbus, so it should be a lot easier building stuff in it, right? Just a thought of mine, love your builds anyways😄
Thankfully it’s not front wheel drive because you would never be able to climb any hills, especially with switchbacks.
I don’t know which is sexier, that sunrader or when he said “Chuck’s trucks a show about cars”❤❤
It’s a show about cars, what can I say?!
No!!!!! Big mistake man! Now you are going to have so much power with that motor you are going to burn up your rear tires weekly and that’s costly!