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MG MGA - Locker rear end for racing?

I have a locker rear end that fits an MGA/MGB banjo type differential housing. I was wondering if this is of interest to anyone involved in racing. Have a good day!

John
John Progess

John, Is it a 43/10 ratio??
Mario

How much?
Kemper

yes please! how much?
dominic clancy

The unit had new 10/41 gears when I got it and I used the gears on my Coupe so there are no gears with the unit. It was for a racing Coupe but as far as I know it was never used as the PO lost interest in the project. It is mounted in an aluminum housing, is designed for 10 spline half shafts and it will need gears and probably new bearings. I don't know what it is worth but I do know that it is heavy and might be pricy to send it very far. I have pictures for those interested. I will try to get a weight today and let you know. Have a good day!

John
John Progess

I just weighed the rear end and it weighs 24 lbs. The pictures showing the unit with a set of 4.3 gears. I have sort of promised these to a fellow mgtf owner if he wants them. I will have to make a wooden crate and that will probably add another 10 lbs so it should weigh a total of about 35 lbs.

John
John Progess

Pictures please to slash5bmw@ya[DELETE]hoo.com Let us know if/when you decide on price.
Kemper

Are you talking about a Dteroit Locker (a brand of LSD) or just a welded diff?

Either way, those items are really only suitable for the track.

A proper limited slip can be had for lots of bucks converted from Salisbury diffed Studebakers etc., but the most easily available sort of LSD (it isn't really an LSD, it is a torque biasing diff) is the Quaiffe from Britain.

These sell for about $2K. I run one in my Twincam race car and find it to be quite good.
Bill Spohn

Bill,
I understood that it is a Detroit locker, at least it was called that. It is definately not welded inside. The only lettering on the inside is BTB 1009. I know it is only suitable for the track, so I was trying to find someone who needs one for the track. It came in a coupe that a guy was going to set up for racing. Thanks for your response.

John
John Progess

Never tried these, as I have two Proper LSD's (Made in Australia), but they look good enough for street use.

and Cheep....

http://www.phantomgrip.com/products.htm

http://www.moss-europe.co.uk/MossUK/ProductList.aspx?SubSubCategoryID=NewItems_NUTT2218a

I use Welded diffs before I got the LSD's but you need a ready supply of 1/2 shafts.

Cheers <MARK>
Mark Hester

How is the best way to visually determine if my differential is a limited slip or a locker?

John
John Progess

I think it's a Quaiffe, but the only way to tell is a close inspection/dissassembly. A locker is not a LSD. A locker has a direct ratchet that lock together effectively forming a solid axle. It functions as an open diff when unlocked. When locked, the inside wheel in a turn will slip/skip. A LSD is never truely locked, but always has drag, usually in the form of clutches held under spring pressure inside. The inside wheel in this case, will track fine, but the clutches inside the diff will slip. Ford calls them a Traction Lok and GM calls them a Posi Trac. I'm less familiar with the Quaiffe, but I believe it has spiral/worm gears inside. If you have axles, insert them and try to spin one really fast. A locker will make a characteristic clunk when it locks. A LSD will resist turning of only one wheel. In fact, it's probably impossible to do by hand.
Kemper

I meant to say that you can see the clutches in a LSD. It looks like an open diff, but has a S spring between the side gears, which are stacked with clutches (like a motorcycle clutch).
Kemper

This thread was discussed between 08/10/2005 and 10/10/2005

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