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View Full Version : Rebuilding stock 10 bolt, need part advice

Grims
06-26-2006, 01:54 PM
I want to make the stocker as 'strong' as it can be made. I am doing a total rebuild posi, gears, axle bearings, the works.

Could someone please tell me what brands they would go with for everything?
Chris 96 WS6
06-26-2006, 02:22 PM
Strange or Motive gears ONLY...preferrably Strange but they a little more expensive.

Get the TA Performance rear cover and girdle kit with the main studs. Also a solid pinion spacer. Weld the axle tubes all the way around the pumpkin (OEM is just 2 spot welds per tube).

I like a Torsen differential too.
Grims
06-26-2006, 02:28 PM
And will all that really make it much stronger than a stock rearend?
Chris 96 WS6
06-26-2006, 02:38 PM
No, not really. IMO its better to take all the money you'd put into the 10 bolt and put it toward a 12 bolt or 9 inch or the new Strange S60.

No matter what you do the ring gear is still too small to be strong enough and the case is too weak. Not much can be done about it except upgrade.
Grims
06-26-2006, 02:45 PM
Are there any options under 1900 out there yet?
Chris 96 WS6
06-26-2006, 02:48 PM
You can put your own 9" together for under $2000. Somewhere I posted a thread on this.
Grims
06-26-2006, 04:35 PM
You can put your own 9" together for under $2000. Somewhere I posted a thread on this.


Yep, I read your stickie on it right after I asked.

I was hoping to be in the 1500s, guess I will have to find a used one somewhere.
Ωmega
06-28-2006, 08:24 PM
Yea, it's expensive, but unless you're really pushing some serious power, it's a one time buy.
mrcadillac
08-29-2006, 07:05 AM
The stock 10 bolt can be made pretty strong by adding a 8.5 carrier, and eliminating the C-clips. I think that AAM gears are pretty strong as well, since they are OEM quaility. But, this is my Opinion.
Grims
08-29-2006, 08:29 AM
An 8.5 carrier? I didn't know you could do that.
Chris 96 WS6
08-29-2006, 08:31 AM
Yeah I'd like to see some details on that upgrade. I didn't think there was room for an 8.5" ring gear.
Grims
08-29-2006, 08:35 AM
Yeah I'd like to see some details on that upgrade. I didn't think there was room for an 8.5" ring gear.

If it can be done, It should be as strong as the 8/5" in mustangs...and they hold up good.
Chris 96 WS6
08-29-2006, 08:37 AM
Well, but the case is still a weak point. It could be reinforced pretty easily from the outside though.

The biggest reason for 10 bolt failure is case deflection, which lets the pinion walk up the ring gear and get out of whack..that's when you break teeth off. It looks and feels like gear failure but that's not the primary cause.
Grims
08-29-2006, 08:56 AM
Well, but the case is still a weak point. It could be reinforced pretty easily from the outside though.

The biggest reason for 10 bolt failure is case deflection, which lets the pinion walk up the ring gear and get out of whack..that's when you break teeth off. It looks and feels like gear failure but that's not the primary cause.

With a reinforced case I would think it would hold drag radils very well though.
Chris 96 WS6
08-29-2006, 09:16 AM
I agree.
CamTom12
08-29-2006, 10:13 AM
It'd certainly be as strong as the ol GM 8.5" 10-bolt :)
Grims
08-29-2006, 10:45 AM
So...how do you do it?
mrcadillac
08-29-2006, 11:07 AM
I'm looking into it. I know L99(4.3 v8) caprices came with 7.5" 10 bolts. And from the info I gathered on ISSF, it was as simple as getting a new carrier and gears. I'll post what I find.:)
mrcadillac
08-29-2006, 11:47 AM
Short story, I was wrong. They are 2 different housings.

But I did find several 8.5" housings for around 100, no brakes, or shafts. or 300 complete. So If budget minded, a 10 bolt 8.5" housing will stand to abuse, with a little modification. seams like a few braces take up the twist. But the good news is they are all over the place in roadmasters and 9c1 caprices. and alot of 9c1's even have 11" disc brakes.

Anyways, sorry to bring "false hope" upon some of you. :chairshot
rat454
08-29-2006, 11:59 AM
Grims

What do you foresee your max rear wheel horsepower and torque to be?

Nitrous?

Greg
Chris 96 WS6
08-29-2006, 12:09 PM
Short story, I was wrong. They are 2 different housings.

But I did find several 8.5" housings for around 100, no brakes, or shafts. or 300 complete. So If budget minded, a 10 bolt 8.5" housing will stand to abuse, with a little modification. seams like a few braces take up the twist. But the good news is they are all over the place in roadmasters and 9c1 caprices. and alot of 9c1's even have 11" disc brakes.

Anyways, sorry to bring "false hope" upon some of you. :chairshot

Harder to adapt to an F-body application. You have to shorten the axle tubes, add the spring and shock mounts, and the hardest part is the torque arm mount.
Grims
08-29-2006, 12:31 PM
Grims

What do you foresee your max rear wheel horsepower and torque to be?

Nitrous?

Greg

On nitrous I have 460rwhp and 515rwtq.
rat454
08-29-2006, 10:22 PM
On nitrous I have 460rwhp and 515rwtq.

Torque and horsepower are addicting..Pretty soon I sense you wont be happy with the 515 rwtq and will figure out how to add more. So
Save up your money and get the 9 inch...it is expensive, heavy and has ford stamped on it, but it well take a beating.

This would however shift the weaker link to the tranny....


greg

If we don't have time to do it right the first time, then how will we find the time to do it right the second time when it breaks