Urgent! Corona MKII MX13 MX23 Diff / Brake Parts ( Backing Plates)

[JDMWheels]

Hi Everyone,

I urgently need the backing plates from an MX13/23 F Series Diff for my Corolla - I've done all the mounts, new gears, bearings , 2-way and was relying on backing plates from a friend who now says they are "Damaged".

I will purchase a complete diff if need be! But ideally I'd just like the Backing Plates.

Located in North West Sydney - Will pay for post from wherever!

Thanks,

Dan

[Big T]

Hey Dan,

It's Eddie. I just realised that you should be able to use the backing plates from a T-series drum (T18) diff. The bolt pattern is identical. If you're lucky, even the stocker S-series might fit. Your other option is to go with the RT-142/ST-141 rear disk conversion.

[JDMWheels]

Hey Eddie!

I've got a T Series Drum Diff i could use - Just waiting on the diff to come back from the mounts being done so i'll try them out!

[Javal]

Ah - be a bit wary with that.

I was going to suggest that you just convert it to ST141 rear disc, because they're actually pretty easily found (as opposed to MX1x /MX2x gear).

However I did have a quick squiz at the Toymods writeup on it to make sure it could be done for MX diffs and it seems that the axle offset / protrusion is different to RA40 / TE72 diffs

Have a read of that.

What i'm getting at is that if you use TE72 backing plates (which will bolt up), the drums may not fit correctly.

[JDMWheels]

Thanks Javal - I have had a read of that - And i was worried about the TE72 plates not allowing the drums to fit correctly - I'm going to try the backing plates i have and see if it will work before i commit to going that route.

The reason i'm after the original stuff is so that i can still run 13's with a decent handbrake.

Having already bought the Diff ($400, New Gears/ Bearings / Solid Pinon Spacer $500, and a New TRD 2-Way to Suit ~$1000 i really want to get this diff to work

If the TE72 option fails i'll be on the hunt for a Complete MX1X/MX2X for the Complete Diff

[Big T]

The rt-142/st141 disk conversion definitely works on mx13 diffs. Have done it on 2 mx13s and 1 mx23. Technically if that works, the drum setups should also fit. I am fairly confident that the drums will work. Worst case scenario, the backing plates can be shimmed out from the diff flange. The only way it will be a total fail is if the axle flange sits significantly closer to the diff tube flange (which I don't think is the case.)

Eddie.

edit: actually, even in the second case, you could space the drum out on the inside. So you can make it work.