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MG parts spares and accessories are available for MG T Series (TA, MG TB, MG TC, MG TD, MG TF), Magnette, MGA, Twin cam, MGB, MGBGT, MGC, MGC GT, MG Midget, Sprite and other MG models from British car spares company LBCarCo.

MG Midget and Sprite Technical - best release bearings

I need a GRB103

Who supplies a good one?

Or should I go for Peter May's direct Roller Bearing replacement ?

It's not for a midget, but an mga twin cam 5 speed gearbox update ?





dominic clancy

Co-ax conversion from Burton Power - dream to bleed and works well.
Daniel Stapleton

I've got a Burtonpower concentric on my 1098 Sprite with the original clutch. No spacer required. Not cheap, but very good. Light smooth action.
Bernie Higginson

And concentric is the best way to go if going T9 too.
Lawrence Slater

And a concentric needn't cost the earth, like the Burtonpower offering, if you are prepared to do a bit of research and DIY. Mine cost less than 40
Guy W

I'm going to T9 the C_Capri next year, and follow your example Guy. I'll buy the bellows type you used. Not only cheaper, but I prefer the internal spring that keeps the roller held lightly against the clutch fingers.
Lawrence Slater

The othe significant components that you need,and for which Burton power seem to charge a lot, are the mounting block and spacers. I measured up the sizes needed and made my own.
Guy W

I am grateful for the replies, but no-one has yet answered the question!
dominic clancy

"I need a GRB103
Who supplies a good one?
Or should I go for Peter May's direct Roller Bearing replacement ?
It's not for a Midget, but an MGA Twin Cam 5 speed gearbox update ?"


Unless you can find new old stock, there isn't a clear answer to that as far as I know. The current copies don't appear to be as good as the originals.

No don't go Peter May. Make your own roller.
Lawrence Slater

Is the question the best release bearing or the best carbon block release bearing or the best roller release bearing on a T9?
Daniel Stapleton

It's for a T9 conversion. I just want a good release bearing, don't care what type
dominic clancy

Then go concentric.

If you want cheaper, then follow Guy's example.

If you don't mind the expense, then buy from Burton Power.
Lawrence Slater

This thread was discussed between 10/11/2015 and 14/11/2015

MG Midget and Sprite Technical index

This thread is from the archive. The Live MG Midget and Sprite Technical BBS is active now.