8 3/4"/Green Bearing Problem

[nqkjw]

What I have is a custom length housing and axles supplied by somewhere in L.A. Axles are 30 spline Currie items fitted with green bearings. I set this diff up with a spooled 741 case and recently stripped the 3.55 ring and pinion.

What I've been doing today is fittng up a spare 489 case 3.55 suregrip I had lying around.

The problem I have is that the axles seem to be too long and bottom out on the thrust spacer in the middle of the diff centre which is what axle end float would normally be adjusted against in a diff with standard axle bearings. Obviously there is no such thrust spacer in the spool.

What's the best way to sort this out?

Do I remove the thrust spacer or must it be left in there? I assume I'll have to disassemble the centre to remove it?

Easiest way for me to solve it as I see it is to machine a couple of mm off the spline end of each axle (I do have my own lathe). Can anyone see any problems with this?

Or any other ideas or info most welcomed.

 

[Tony Fields]

What I have is a custom length housing and axles supplied by somewhere in L.A. Axles are 30 spline Currie items fitted with green bearings. I set this diff up with a spooled 741 case and recently stripped the 3.55 ring and pinion.

What I've been doing today is fittng up a spare 489 case 3.55 suregrip I had lying around.

The problem I have is that the axles seem to be too long and bottom out on the thrust spacer in the middle of the diff centre which is what axle end float would normally be adjusted against in a diff with standard axle bearings. Obviously there is no such thrust spacer in the spool.

What's the best way to sort this out?

Do I remove the thrust spacer or must it be left in there? I assume I'll have to disassemble the centre to remove it?

Easiest way for me to solve it as I see it is to machine a couple of mm off the spline end of each axle (I do have my own lathe). Can anyone see any problems with this?

Or any other ideas or info most welcomed.

If you are using green bearings, you need to remove the thrust spacer. I just
went thru this a couple of months ago. Adjustable bearings need the spacer,
not green bearings.

 

[oldkimmer]

............U can take out the spacer/s or shorten the axles, i've did it both ways......kim...ya what he says,,,,,

 

[nqkjw]

So the centre needs to come out and dissasseble it to get the spacer out?

I tapped it and it floats but seems to be secured in there somehow.

 

[SRT_DSTRHOLC]

Yup its weird, but usually only aftermarket axles have this trouble.

 

[Tony Fields]

So the centre needs to come out and dissasseble it to get the spacer out?

I tapped it and it floats but seems to be secured in there somehow.

So the centre needs to come out and dissasseble it to get the spacer out?

Yes it does.

 

[demon seed]

Remove the thrust spacer/block!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[Blue Grey Duster]

Looks like the clutch type diff. you can punch out the thrust button, and with the cone type diff. you have to take the diff apart.

Read these posts, and there is a picture of the thrust block,

http://www.forabodiesonly.com/mopar/showthread.php?t=72641

http://www.forabodiesonly.com/mopar/showthread.php?t=89604

http://www.forabodiesonly.com/mopar/showthread.php?t=123034

 

[nqkjw]

Hey ...makes me feel better I'm not the only one to run into this hassle!!!
Since the chunk was already installed I just machined 80 thou off each axle.
This was easier for me as I have my own substantial lathe.
The 2x 80 thou was arrived at by measuring prior.

All good now!!!!