phile@stpaul.gov (Philip J Ethier) writes:
> I think we are talking about a 1275cc A-block for a Midget
>> I just talked to the machinist who's doing my engine, and he said the
>> crankshaft
>> didn't match. Now, what does he mean? The casting numbers don't match
>> perhaps?
>> The cyl. head # is 12G1316
>> block # 12G1279
>> crankshaft # 12G1321
>> engine # 12V6712L14857
I just disassembled the engine in my Lotus Seven to check the numbers for you.
Now, I have not owned this engine since it's birth, so I cannot guarantee that
these parts are original, but I have no reason to believe that they are not.
engine #: 12V/587Z/L7121
block #: 12G1279
head #: 12G1316
crank #: 12G1321
And, yes, we are definitely talking about a 1275cc A-block.
Here are some more numbers:
Engine Capacity Year(s) Sprite Midget Note
-----------------------------------------------------------------------------
9C/U/H 948cc 1958-61 Mk I Bugeye Sprite
9CG/Da/H 948cc 1961-62 Mk II Mk I
10CG/Da/H 1098cc 1963-64 Mk II Mk I
10CC/Da/H 1098cc 1965-66 Mk III Mk II
12CC/Da/H 1275cc 1967 Mk IV Mk III
12CD/Da/H 1275cc 1968 Mk IV Mk III
12CE/Da/H 1275cc 1969 MK IV Mk III
12CJ/Da/H 1275cc 1970-71 Mk III
12V/586Z/L 1275cc 1971-72 Mk III UK Market?
12V/587Z/L 1275cc 1971-72 Mk III US Market Only?
12V/671Z/L 1275cc 1973-74 Mk III
-----------------------------------------------------------------------------
Hope this helps.
Now, how does engine go back together again?
Flemming, "It's all the same to an American Dane", Larsen
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