I would think the alternator(s) would have a model number on it somewhere. I
would normally think there would only be one standard alternator for the late
60s - early 70s. But I faced a similar problem with my 64 B's generator.,
having to adjust the brackets. The generator that came with the car was
slightly larger and had a different number on it which, through the Internet,
led me to find that it was a C40L generator (as opposed to a C40 perhaps). I
also found a website that stated that the C40L generator was an upgrade
offered for cars used in cold weather climates, with a somewhat higher output.
So perhaps this is a similar situation with alternators?
David Councill
64 B
67 BGT
72 B
-----Original Message-----
From: mgs-bounces@autox.team.net [mailto:mgs-bounces@autox.team.net] On Behalf
Of davewillner
Sent: Friday, December 16, 2011 5:06 AM
To: mgs@autox.team.net
Subject: [Mgs] 1970 MGB alternator
I purchased a replacement Lucas alternator a few weeks ago and found that even
though it was listed for a 70, the brackets (hangers) did not fit my, what I
believe are original, mounting brackets. The width of the alternator tabs
(where the mounting bolts go) is 3 1/4" on the inside and 4 1/4" on the
outside. Is this the correct width(s) for a 70? The rear "tab" has a small
spacer attached to the outside sticking out maybe 1/4" - 3/8" also... Any
advice would be appreciated, thanks
Dave Willner
Stroudsburg PA
59 TR3A
70 MGB
70 BSA 441 VS
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