Jack:
The early 3-main MGB gearbox with MGA tailcase and shifter extension
fits the same as the A box (well, at least the same as a 15GD 1500 to
1600 Mk2 - the earlier 1500 needs the later rear engine plate and the
starter bump-out on the right side floorboard). The 5-main version is
identical to the 3-main version except for the larger clutch pilot
shaft, which would be swapped for a 3-main version (A or B). The latest
'67 box has the larger layshaft. As noted by others, the 1800 engine is
dead easy to swap into the A.
The late MGB box is the tough one to fit!! Don't bother - been there
done that once!!!!
My preference is MGB OD gearbox in the A, preferably the '67 version.
It's not a difficult installation which was written up by John Wright
way back in MGA! His e-mail is <mogfrog1@aol.com>.
Dave Q.
> From Jack Levy:
> Thanks to the replies regarding the 1500 to 1800 engine swap. Some of the
>modifications needed sound a little beyond what I was expecting, even though
>they might not be as complicated as they sound. Don't know if the end result
>would justify modifying this perfect car. I have saved all emails regarding
>this swap, after I pull the engine I might feel brave and tackle this.<
>> From Blake yd3@nvc.net:
>> Jack: I have seen photos and read that the B gear lever comes futher foward
>in the cockpit when installed in an MGA when compared to the original MGA
>position. It comes right under the dash and either has to be shortened to keep
>your knuckles intact or the lever bent to the rear.<<
>>> Barney wrote:
>>> And I think the manual shift lever is in a little different location on the
>mGB gearbox, so that requires a slight modification to the tunner cover.<<<
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