Series MM Questions

for those with Series MM sidevalve cars produced between September 1948 and February 1953

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palacebear
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Re: Series MM Questions

Postby palacebear » Sun May 20, 2018 11:31 am

Hi.
Answer is NO :)

Series MM with side-valve engine was replaced by split-screen Series 2 with OHV engine during 1952. Series 2 was facelifted during 1954 but retained split-screen until phased out during 1956.

If your shell still has a chassis/id plate on the bulkhead, the chassis number should tell you whether it's a Series MM shell (prefix SMM) or a Series 2 (prefix starting with F).

If it IS a Series MM shell there may, depending on it's age be a number of differences between it and earlier/later shells.
1956 4-door called Max

JohnV
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Re: Series MM Questions - Series MM vs II, "SMM" vs "F" prefixes

Postby JohnV » Fri Aug 31, 2018 1:52 pm

With respect, I don't think this is quite correct.

The new ID plates with F-series prefixes were introduced 1 April 1952, presumably to rationalise with the Austin system in the newly combined BMC. It started with serial # 139439, and the old Nuffield practice of allocating separate RHD and LHD sequences ended.

But the first Series II car wasn't until August 1952, at chassis # 160001. So I believe all Series II Minors should have "F" prefixes, and even some late Series MM cars as well.

best, jv.

palacebear wrote:
Sun May 20, 2018 11:31 am
If your shell still has a chassis/id plate on the bulkhead, the chassis number should tell you whether it's a Series MM shell (prefix SMM) or a Series 2 (prefix starting with F).

If it IS a Series MM shell there may, depending on it's age be a number of differences between it and earlier/later shells.
I have two Minors in upstate New York. One is the 1961 Traveller my dad bought new that year in London, where I was born. It's had a hard life but is still running cheerfully at 54K miles. The second is the oldest Minor confirmed to survive in North America, a LHD high-light Tourer built in April 1949. It's a total basket case, but will be restored over the coming years.

palacebear
Minor Legend
Posts: 2848
Joined: Mon May 16, 2016 4:39 pm
MMOC Member: Yes

Re: Series MM Questions - Series MM vs II, "SMM" vs "F" prefixes

Postby palacebear » Fri Aug 31, 2018 4:39 pm

JohnV wrote:
Fri Aug 31, 2018 1:52 pm
With respect, I don't think this is quite correct.

The new ID plates with F-series prefixes were introduced 1 April 1952, presumably to rationalise with the Austin system in the newly combined BMC. It started with serial # 139439, and the old Nuffield practice of allocating separate RHD and LHD sequences ended.

But the first Series II car wasn't until August 1952, at chassis # 160001. So I believe all Series II Minors should have "F" prefixes, and even some late Series MM cars as well.

best, jv.
I think you're probably correct. I'd overlooked the 'small' fact that S-MM and S-II were built alongside each other for a few months, hence S-MM with numbers higher than 160001 would in all probability have F prefix numbers! :oops:

I've already got my new copy of Minor Matters and was fascinated by the feature on Clementine. What a great project! I wish you well with her and hope that you keep us all updated on your progress :)
1956 4-door called Max

JohnV
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Re: Series MM Questions - Series MM vs II, "SMM" vs "F" prefixes

Postby JohnV » Fri Aug 31, 2018 5:31 pm

Thank you for the good words! :) Clementine will be quite a project, for sure.

But, hey, everyone needs to do one ridiculously complicated, horrifyingly expensive rotisserie restoration in their life ... right?
palacebear wrote:
Fri Aug 31, 2018 4:39 pm
I've already got my new copy of Minor Matters and was fascinated by the feature on Clementine. What a great project! I wish you well with her and hope that you keep us all updated on your progress :)
I have two Minors in upstate New York. One is the 1961 Traveller my dad bought new that year in London, where I was born. It's had a hard life but is still running cheerfully at 54K miles. The second is the oldest Minor confirmed to survive in North America, a LHD high-light Tourer built in April 1949. It's a total basket case, but will be restored over the coming years.

firedrake1942
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Re: Series MM Questions

Postby firedrake1942 » Fri Aug 31, 2018 8:55 pm

No dividdd into mm, early s2 and late s2


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