My rear is leaking!
+4
The Dude
pila
Limey SE
BlackChevelleSS
8 posters
G3GM :: G3 Tech :: Engine & Driveline
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My rear is leaking!
Hey, I need a fix for my problem with my 10 bolt rear end. There is a small leak coming from between the diff and the right axle tube where the alxe meet the diff. Ive seem some guys just JB weld the seam, but Ive hear the tube can twist (due to my lage amount of hp). Any good ideas? Perminate fixes!
Cdub74- G3GM Member
- Street Cred : 0
Re: My rear is leaking!
sounds like maybe rust has set in how about switching housings ??
___________________________________________
1977 Chevelle SE x2
One Mild original
one Wild NON original
Anthony
Limey SE- Management
- Street Cred : 98
Re: My rear is leaking!
weld the seam up, it helps make the rear stronger also.
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www.cardomain.com/id/3115ultima
![My rear is leaking! SIG2](https://2img.net/h/i23.photobucket.com/albums/b357/greenchevelless/My%20Chevelle/SIG2.jpg)
BlackChevelleSS- Management
- Street Cred : 20
Re: My rear is leaking!
A half inch weld in like 4 places around the joint should do it. Welding it all the way around is not a good idea, and not recommended, since it may weaken the axle tube next to the weld. That's called an "abrupt change of cross-section" in aviation tech terms.
pila- Donating Member
- Street Cred : 43
Re: My rear is leaking!
All weekend long Ive been looking how to fix this problem. Welding is going to be the solution for now. I was told be several locals to switch to a 9inch rear end due to the HP its pushing.
Cdub74- G3GM Member
- Street Cred : 0
Re: My rear is leaking!
Cdub74 wrote:All weekend long Ive been looking how to fix this problem. Welding is going to be the solution for now. I was told be several locals to switch to a 9inch rear end due to the HP its pushing.
When you take these cars to " THE LOCAL'S " they are looking to make a buck to get you to switch out to there product these rears can take quite a bit of HP before needing help to handle
___________________________________________
1977 Chevelle SE x2
One Mild original
one Wild NON original
Anthony
Limey SE- Management
- Street Cred : 98
Re: My rear is leaking!
Ive got 580hp, they said "Yup thats alot of HP for a 10bolt, a 12bolt will still have the same tubes so the best rear end for you is a 9 inch". I think they are trying to make a buck off me.
Cdub74- G3GM Member
- Street Cred : 0
Re: My rear is leaking!
That's definitely healthy!!! I like it. As far as your rear goes... they are full of crap. Maybe if you had an 8.2" 10-bolt instead of an 8.5", I would agree. However, You should be just fine. Weld up that hole and keep thrashing away.
I'm around 660 and haven't had a single issue. If you want, throw an aluminum girdle (rear end cover). It'll keep things in place internally. That's what I did.
I'm around 660 and haven't had a single issue. If you want, throw an aluminum girdle (rear end cover). It'll keep things in place internally. That's what I did.
74Malibu383- Donating Member
- Street Cred : 26
Re: My rear is leaking!
Cdub74 wrote:Ive got 580hp, they said "Yup thats alot of HP for a 10bolt, a 12bolt will still have the same tubes so the best rear end for you is a 9 inch". I think they are trying to make a buck off me.
Limey wrote:Cdub74 wrote:All weekend long Ive been looking how to fix this problem. Welding is going to be the solution for now. I was told be several locals to switch to a 9inch rear end due to the HP its pushing.
When you take these cars to " THE LOCAL'S " they are looking to make a buck to get you to switch out to there product these rears can take quite a bit of HP before needing help to handle
___________________________________________
1977 Chevelle SE x2
One Mild original
one Wild NON original
Anthony
Limey SE- Management
- Street Cred : 98
Re: My rear is leaking!
Thanks, I though that was a lot of HP for that rear end. Theres NO WAY im going to buy a 9 inch now. Aluminum Girdle.....like this----->
![My rear is leaking! Rearbo10](https://i.servimg.com/u/f23/15/83/06/89/rearbo10.jpg)
![My rear is leaking! Rearbo10](https://i.servimg.com/u/f23/15/83/06/89/rearbo10.jpg)
Cdub74- G3GM Member
- Street Cred : 0
Re: My rear is leaking!
Yup. Just like that. They're a little pricey, but not even close to a 9" swap!
74Malibu383- Donating Member
- Street Cred : 26
Re: My rear is leaking!
that would be it
___________________________________________
1977 Chevelle SE x2
One Mild original
one Wild NON original
Anthony
Limey SE- Management
- Street Cred : 98
Re: My rear is leaking!
$139.99 for a gridle is SO much better then a $900-1,100.00 swap!
Cdub74- G3GM Member
- Street Cred : 0
Re: My rear is leaking!
A 9-inch set up for your car wont be cheap. The housing with the brackets, axles etc isn't bad, but when you add the third member, the brakes etc, it adds up fast.
A 12 bolt might make more sense for a step up in strength.
The torque your engine has is as much of a deciding factor as HP, for choosing a rear end that will hang together.
A 12 bolt might make more sense for a step up in strength.
The torque your engine has is as much of a deciding factor as HP, for choosing a rear end that will hang together.
pila- Donating Member
- Street Cred : 43
Re: My rear is leaking!
Ill weld it for now this weekend, that see how she holds up on the strip ![Smile](https://2img.net/i/fa/i/smiles/icon_smile.gif)
![Smile](https://2img.net/i/fa/i/smiles/icon_smile.gif)
Cdub74- G3GM Member
- Street Cred : 0
Re: My rear is leaking!
pila wrote:...A 12 bolt might make more sense for a step up in strength.
Actually an 8.5 10 bolt isn't much different from a 12 bolt. 8.5 10 bolt vs 12 bolt ring gear compares to 8.5" vs 8.875". Both share the same pinion gear size. Both have the same U-joint size. Our 8.5's only have 28 splines vs the 12 bolt's 30 splines, BUT a later model Caprice with 30 splines is a direct swap. Basically the only thing better would be the ring gear, which wouldn't make sense to go through the trouble of fabricating mounts & scouring yards to pay up the A$$ for a 12 bolt. Especially when you could just cryo treat your gears & then your 10 bolt would actually be stronger than a factory 12 bolt. Also on some earlier model 8.5 10 bolts & most BOPs, the axles are bolt-in vs the 12 bolts factory C-clip.
The Dude- Management
- Street Cred : 48
Re: My rear is leaking!
My 74 Elky was bought new by my dad and it came from the factory with the Olds rear end with no C clips. I am running about 550 to 600 HP and I had Moser axles put in it. I have not put it to the supreme test with slicks on it, but it will do a good burn out with street tires. JB
JB2wheeler- G3GM Fanatic
- Street Cred : 28
Re: My rear is leaking!
Im scared to put slicks on my with the 10 bolt, but I'll weld the seem up for now see how it holds and look for a Moser alxe in the future.
Cdub74- G3GM Member
- Street Cred : 0
Re: My rear is leaking!
I've run drag radials and full drag slicks. NO issues. Could yours give way? Maybe... I just haven't had any issues.
74Malibu383- Donating Member
- Street Cred : 26
Re: My rear is leaking!
The PO of my car ran low 11s on slicks but its pretty much just a 8.5 ten bolt housing. Moser axles full spool Richmond gear and an Ultimate girdle with support bars. You can spend a lot less cash making ur 10 bolt strong than buyin a 9 inch and makin it fit.
oldstofty- G3GM Member
- Street Cred : 7
G3GM :: G3 Tech :: Engine & Driveline
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