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September 29th, 2008

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Q & A: GB Engine

Sunday March 17th, 2002
Q & A, MGA, MGB, MGC, MG T-Type, Midget
I am installing a GB engine in an MGA. All the info I have seen, and all the advise on the websites, says that I need to install an early MGB front cover and clutch fork on the MGA transmission ( 1600 model). However, after assembling the new engine/clutch, I compared it to the MGA 1622 which I had removed. The MGA with a used clutch measured 3-1/2" from the backplate to the actuation ring on the pressure plate. The GB, with a new clutch disc, measured 3-3/8". This 1/8" difference would be somewhat expected due to the clutch wear.

Am I missing something? Do I really need to change to the early B front cover or is the information wrong and the MGA front cover/fork ok?

ART!

You have probably solved your problems, but here is some more information. You have parts of two interchanges mixed up:

An MGA clutch can be upgraded to an MGB clutch. To do this, it is necessary to chan... read more