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What kind of engine is this?

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dgilling Dave Gillingham
Coronado, CA, USA   USA
This engine block and what appear to be most of the associated parts was in the trunk of a 1959 4 door Morris Minor I purchased. I don’t really need it, but thought I might rebuild it anyway. Then I noticed it is significantly different from the 948 I just had rebuilt. The only stamping I can see on the block are “15X” and “012”. Can anybody tell me what it is?



Dave Gillingham
59 Morris Traveler
Coronado, CA

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DE663ED1-62CE-4A09-A3D5-175297228146.jpeg

Hi Dave,

Whats the other side look like and does it have any head with it? How many bearings for the crankshaft, does it have a oil filter or dist. mount on the other side? Pushrod covers?

Maybe not even British?

Do let us know as curious minds need to know.

TX
Mr fixit
Chris smiling smiley

dgilling Dave Gillingham
Coronado, CA, USA   USA
Here is a picture of the other side of the block and the head



Dave Gillingham
59 Morris Traveler
Coronado, CA

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dgilling Dave Gillingham
Coronado, CA, USA   USA
Another clue: this head was in the truck of the 59 4 door with the block. I assumed it went with the block, but possibly not. The head has a casting mark that says MOWOG 2A629...



Dave Gillingham
59 Morris Traveler
Coronado, CA


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image.jpg    66.9 KB
image.jpg

emjay Jim English
Etters, PA, USA   USA
Sure looks like a 1275 block to me. The head is for a 948.

Hey Dave,

Here is a video that I thought was helpful for me in getting identification information even when the block does not have thee engine badge any longer. At about 7:05min it talks about the 1275 and then toward the end is a couple of examples that might help.
I would have to agree with Jim, it looks like a 12275 block, but the head is definitely a 948 as Jim stated.
Enough parts to rebuild it, or is it just a big boat anchor?

Let us know how it works out, or you do something with it !

TX
Mr fixit
Chris smiling smiley

66jalopy Avatar
66jalopy Silver Member Phillip Jolliffe
Lake City, FL, USA   USA
1275 block, if it turns it is worth a rebuild. Wish it close to me I have a crankshaft and head for it.

tjt77 timothy Trevithick
Grass Valley, CA, USA   USA
Block is 1275.. defining feature is no side covers for tappets...this is the best of the A series engines in terms of overall strength, longevity and power output. . Head is not for the block and probably incompatible.. likely a stock 948 or 1098cc head..

Dr Mini Hugh Cannon
Knoxville, TN, USA   USA
Looks like an A+ 1275 Mini block. Was there a crank with it? The head is not for a 1275 and won't work with that block.

John in Eugene Avatar
John in Eugene Platinum Member John Quilter
Eugene, OR, USA   USA
A 1275cc is correct but it could be a transverse engine example. I believe there were differences at the rear main bearing end and the crank is definitely different as it has no flywheel mounting flange.

John F. Quilter
Eugene, Oregon USA

tjt77 timothy Trevithick
Grass Valley, CA, USA   USA
John,
the image of the block shows what appears to be the flywheel end of a 1275 'inline' crank just to right of block. (6 bolt flywheel as opposed to 4 bolt for other A series inline) the blocks for transverse are same as regards crank housings.. Th difference is , they do not have a thread tapped for oil pump pick up tube ( the pick up is lower down in trans ..joint sealed with a gasket ) I'd think its difficult thread to tap due to large size and the coarseness of the thread (a lot of metal removed with each turn) without specialist tools.

66jalopy Avatar
66jalopy Silver Member Phillip Jolliffe
Lake City, FL, USA   USA
The Marina 1275 is an in line, rear drive engine. US Marina,s only came with the B 1800 engines, that is an European spec engine.

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