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MG Midget and Sprite Technical - Max rebore 948CC

Hello,
I have to rebore my 948 +0,060 to a 998CC + 0,0....
I have read it is not possible to rebore to 998 + 0,060.

But do you think it is possible to put 998+0,040 pistons to drop the capacity to 1030cc?

I have found a set of very clean 998+0,040 and conrods for a moderate price.

Laurent
ld derancourt

Hi Laurent

I have never done this myself. Vizard indicates you can go all the way to +60 on 998 Cooper pistons to 1046cc (with 76.2mm stroke).

My preference would be to go to +40 to leave one more re-bore as you indicate above.

Should make a nice 'under one litre' engine.

A
Anthony Cutler

I wonder if you would be ahead of the game doing a 1098 engine instead


Prop
Prop

I am running 1046 at present with 998 pistons and rods.
Alan Anstead

Thanks,
I will go with the 1030cc.
Alan, perhaps I will go to Angoulême on september.
D you race at the Grand Prix des Remparts?
laurent
ld derancourt

Hi Laurent.
I will be there on Saturday afternoon / all day Sunday with ten midget & Sprite members, and their cars, as part of our eleven day tour.
Another member has a race entry www.sebringsprite.com
A friend with a Healey Silverstone is seeking an entry.
Alan Anstead

Alan,
I will see if I can go at Angoulême with the French Amicale Spridget.
laurent
ld derancourt

Laurent.
We swopped e-mails recently so you should have my address. E mail me nearer the time and we can all meet up.
Alan Anstead

Alan,
Franck said to me you are also in touch with him for Angoulême.
lauret
ld derancourt

This thread was discussed between 21/07/2009 and 29/07/2009

MG Midget and Sprite Technical index

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