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MG Midget and Sprite Technical - 948 supercharger

The madness has started again and it time to supercharge my wife's frog. So where do i get the complete kit....
David Brenchley

David,

Out of interest are you looking for any supercharger or a period one to suit the frogeye. There used to be a nice one out of IIRC Bovey Tracey in Devon with a contemporary Shorrock supercharger fitted, probably still around.
David Billington

Friend of mine has a Judson Supercharger in his frogeye.
It was in his frog when he bought it.
Dont know yet what the power output is but he told me he didnt expect more then a nice 1275.
He just loved to build it as a period modification.




A de Best

some more period ads




A de Best

And there are the Moss new superchargers, dont know if they are for just 1275's or not?

Like David says there are the Shorrocks too but have no info on them.
A de Best

Had a Shorrocks supercharger on my 948 Frogeye when I bought it back in 69. Managed 95mph on a downhill run until a piston ‘picked up’.
Bought a s/h one from Allard for £25. Sometimes I wish I still had it. In the winter the long inlet manifold use to ice up: I lagged it with asbestos rope but still on a crisp night when leaving the girlfriend I often had to tip boiling water over the remote iced up S.U.carb.
DHMC used to fit Shorrocks back int’ the day. Occasionally see them for sale.

Alan Anstead

https://www.ebay.co.uk/itm/334548062274

This is a start. He says it's seized but should free up. Also the manifold has been sold. Bit of a punt I guess.
Bill Bretherton

The manifold on the carb is not correct for the 948: should be longer. The inlet manifold, and blow-off valve is missing as is the double grooved crankshaft pulley but most parts can be made / refabricated.
Alan Anstead

This guy on ebay does a lot of bits for shorrock superchargers.
https://www.ebay.co.uk/itm/266086469954
Rob
MG Moneypit

This thread was discussed between 17/01/2023 and 18/01/2023

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