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Author Topic:   Rear-end trouble
lastplacecar
Dirt Roller

Total posts: 16
posted November 28, 2003 12:16 PM  
I have a 7.5 10 bolt rear-end. Here's my problem, I want to take the mini-spool out to replace it because its shot but I can't get the cross pin out because it hits on the ring gear. Was wondering if anyone had any suggestions on how to get the cross pin out.

racer17j
Dirt Forum Champ
Total posts: 5390
posted November 28, 2003 03:35 PM  
is it hitting the gear or are you going far enough in that it is hitting the housing. I drive them out a little then roll it around and put a punch in the bolt hole. This alows you to twist and pull the pin out

wizzard
Dirt Freak

Total posts: 306
posted November 29, 2003 06:30 AM  
every time we take the pin out we have to remove the ring gear.it's thicker than the origanal one.

lastplacecar
Dirt Roller

Total posts: 16
posted November 29, 2003 08:25 AM  
Thats what I think I'm going to have to do. The ring gear is thicker then the stock one and thats why it is hittin the gear. I was hoping I wouldn't have to take the ring gear off, but I think thats what I'm going to do. This rearend was under the car when I got it. I called the guy I got car from and he said he they paid $700 to have the rear-end done at a race shop. It wasn't even put together right because there were no spacers for the mini-spool and its shot no after one year in the car so I dont' think I'm taking anything to him.

racer17j
Dirt Forum Champ
Total posts: 5390
posted November 29, 2003 08:49 AM  
It very well could be. I haven't even really looked at it that close to see if it was. I just kinda figured that when you pay someone $700 they would put the right stuff in it.


neil rucker
Dirt Forum Champ
Total posts: 799
posted November 29, 2003 01:59 PM  
i think you DO have the wrong carrier. its really a shame that we make the sacrifices that we do in order to be able to race, and people take advantage. its happen to alot of people. i dont setup rear gears for myself, but the guy who does all of em at work has had the same problem and that was the cause.

6pack
Dirt Maniac

Total posts: 171
posted November 29, 2003 07:20 PM  
Have you tried to remove the pin in both directions? Some people grind away part of a ring gear tooth in order to R & R the pin.
Some people also grind a "flat" on the cross pin. You have to rotate it 90 degrees in order to remove it.

lastplacecar
Dirt Roller

Total posts: 16
posted November 29, 2003 07:43 PM  
Yeah, I've tried removing it both directions and looked for a flat on it but still no luck. I think I'll just take the ring gear off and slid the pin out and try one of the other carriers I have laying around. If not I can always just take the cross pin to work and grind a flat on it.


racer17j
Dirt Forum Champ
Total posts: 5390
posted November 29, 2003 10:52 PM  
Yeah, its still in the housing. I guess I just wasn't thinking about not being able to get it by the pinion. Brain fart. lol I think I might just have to take the torch to spool since it is junk already.

dirtrace54
Dirt Maniac

Total posts: 192
posted December 04, 2003 06:58 PM  
I had a 4.33, and yes they made one, gear in my old metric. I wish I could take a picture of it. It was thick but not even close to blocking the cross pin. I had broken welded spiders twice before going to a spool, so I had mmine out 3 times with no probs. I'm wondering about the wrong carrier issue, but dont see how that would work because the gear wouldn't last 3 laps. Guessed I'm a lil confused to how this thing got in there and how it work.

6pack
Dirt Maniac

Total posts: 171
posted December 08, 2003 11:16 PM  
I agree with you,dirtrace54. Somebody put it in there to begin with. Let us know how this turns out.

rblracer
Dirt Roller

Total posts: 25
posted December 10, 2003 05:26 AM  
When we put the mini spool and gears in my 10 bolt last year we could only get the pin to go in from one direction. Went to a 9 in this year.

Myles C
Rebel Racing Team

zoomy#74
Dirt Full Roller

Total posts: 34
posted December 10, 2003 06:10 PM  
I agree to get the rear together the pin had to go in after the carrier was installed. Also, if it is the wrong carrier wouldn't you have a problem trying to get the gears to match up. I realize they make thin and thick gears for the different carriers, but if you have a thick gear made for a thin carrier wouldn't you not be able to bolt it in since the ring gear would be way to close to the pinion. An if it did fit wouldn't is wear the pinion to a nub from being to tight.

PureStocker #1
Dirt Roller

Total posts: 5
posted December 10, 2003 07:36 PM  
You would be really suprised if you knew what all you could do with a differential. Spacing is very crucial when putting one together. I mostly work with 8.5" 10 bolts and the only time I have ever run into the pin problem is when running 5.38 or taller gears. When you grind the flat side make sure you go just a bit more than you need and make it as smooth as you can. Notched cross pins are $38 at Summit Racing Online.

[This message has been edited by PureStocker #1 (edited December 10, 2003).]

6pack
Dirt Maniac

Total posts: 171
posted December 16, 2003 04:32 PM  
quote:
Originally posted by lastplacecar:
I have a 7.5 10 bolt rear-end. Here's my problem, I want to take the mini-spool out to replace it because its shot but I can't get the cross pin out because it hits on the ring gear. Was wondering if anyone had any suggestions on how to get the cross pin out.

Did you get it out?


lastplacecar
Dirt Roller

Total posts: 16
posted December 21, 2003 08:21 AM  
Yeah we got it out. I unbolted the ring gear and sorta wedged it on the carrier to slid the carrier pin passed it. Not the best way to get it out but it worked. I'm gonna check the carrier and make sure its the right one. If it is I think I'll just grind a flat on the carrier pin to get it out when I need to.

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