Another clue to look for is what mounting bosses are drilled out. In
particular, the generator and alternator brackets bolt to different
locations on the block. I believe the alternator bracket holes would not be
tapped on a generator-era engine.
Then the side plates have different crankcase breathing arrangements, the
head may have a water choke takeoff, etc.
The Clausager book (Original MGB) would have more details of this nature.
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires
on 2/2/08 1:35 PM, Rick Lindsay at rolindsay@yahoo.com wrote:
> That will give you the date that the casting form was
> made - or at the latest, the date the block was cast.
>
>
> I went through this same thing with the engine in my
> '70 MGB. I have decided that it is a 1965. the
> evidence is weak but its there. First of all, what
> color is the engine? Repainted, you think? Burgundy
> or black? Look at the valve cover. What's on it?
> The stickers, plates, etc., changes through the years.
> Shoot a picture or two and we may be able to help you
> dig your way through this. :-)
>
> Here's a look at my engine (before I started the
> restoration), http://www.aubard.us/MGB/HPIM0493.JPG .
> The solenoid is NOT on the starter and the valve
> cover has the riveted on "MG" label AND the riveted on
> patent label.
>
> rick
>
> --- Carl French <leylandauto@yahoo.com> wrote:
>
>> The blocks have a casting date clock molded into it.
>> I believe it is on the driver's side of the engine.
>> It will be a small circle about the size of a
>> quarter or half dollar (cant quite remember).
>> Carl
>>
>> 1971-red-mgb <1971mgb@cox.net> wrote:
>> I bought a spare MGB engine recently and noticed
>> that it had no engine
>> identification number plate, I been trying to figure
>> out the year of the
>> engine but have no idea of where to start looking,
>> the only identification
>> that is on the block is 12H1365, 12H1442 and 12H1777
>> and then to the right of
>> those numbers there is a AF3, anybody have any
>> idea???
>> You are subscribed as leylandauto@yahoo.com
>>
>>
>> Mgs@autox.team.net
>> http://autox.team.net/mailman/listinfo/mgs
>>
>> http://www.team.net/archive
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