According to an article by Ron Bender NAMGAR "The MGA starter is larger.
You must use the MGA one or modify the floor to fit the B unit. With 3
main MGB engine and MGA gear box, use the B clutch with the plate that
will fit your input shaft. WithMGB gearbox remove the rear
extensionhousing and replace with the MGA extension as the B mounts
differently. The MGA speedometer drive gear must also be fitted. With 5
main MGB the above apply plus the pilot bushing in the crankshaft is
larger and a bushing must be made to fit the MGA input shaft.
There is also a longer article by Bruce Nichols in "A-ANTICS TECH TIPS"
but it's to long to type out .If you need more info email me and I'll see
what I can do.
...Art
On Tue, 15 Jul 1997, John A. Wise wrote:
> A colleague at work has a nice MGA (which he has owned for many years)
> sitting in his garage in need of a good engine. He said he could not find
> some basic engine parts, e.g., a good crank. During our discussion about
> getting it back on the road, the question came up as to whether he could
> replace his engine in his A with one from a B.
>
> I said I thought he could (to me they *look* the same...), but that I would
> check the source of all valuable MG knowledge and get back to him.
>
> So, here I am, what's the scope?
>
> John
>
>
> John A. Wise, Ph.D., CHFP Tel: (+1) (904) 226-6384
> Department of Human Factors & Systems Fax: (+1) (904) 226-7050
> Embry-Riddle Aeronautical University E-mail: wise@db.erau.edu
> 600 South Clyde Morris Blvd.
> Daytona Beach, FL 32114-3900 USA
>
>
>
>
>
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