Bob's comments about the original crank and the Moss crank are accurate,
except that the forged crank blanks are made in Sheffield England to our
specifications, not in the orient.
The blanks are then ground and heat treated by a very well known company
in Los Angeles.
They are expensive, but as Bob pointed out much stronger than original.
Kelvin Dodd
Global Sourcing Engineer, Moss Motors, Ltd.
www.mossmotors.com
440 Rutherford Street
Goleta, CA 93117
Phone : 805.679.7023
Fax: 805.692.2520
E-mail: doddk@mossmotors.com
> -----Original Message-----
> From: mgs-bounces+doddk=mossmotors.com@autox.team.net
> [mailto:mgs-bounces+doddk=mossmotors.com@autox.team.net] On
> Behalf Of Bob Howard
> Sent: Friday, December 21, 2007 7:23 AM
> To: Mowog1@aol.com
> Cc: mgs@autox.team.net
> Subject: Re: [Mgs] Needed - crankshaft for '52 MGTD MK II
>
> Rick,
> Crankshafts for these engines are pretty scarce. They are
> prone to breakage at #1 and #4 rod journals, thought to be
> from a combination of metal technology of the time and
> too-tight radius of the curve. The MGB crank is tough; TD
> cranks are brittle.
> When I found mine cracked about ten years ago, Ed Kaler
> (Just Brits) said that cranks could be welded good as new.
> Nobody else subscribed to that belief, though he has been in
> the MG biz for many years. Everyone else suggested a new
> crank, which Moss was making then. I believe they are still
> in Moss catalogue.
> Reworking the crank by grinding it undersize exacerbates
> the initial problems, that of being small at the journals,
> and the tight radius of journal to crank throw. Kaler was
> the only one I've ever talked with who thought that a crack
> could be mended. All other opinions were that if it
> had cracked before it would shatter after being reworked.
> The new Moss crank, though made in the orient, was
> inspected by a couple of my tech/engineer friends who
> pronounced it a far better piece of metal and machining than
> the original TD crank.
> Bob
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