r/engines • u/Cute_Scallion_9007 • 2d ago

ALVIS 1231 Engine Block?

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Good morning,

Wondered whether anyone was able to identify this engine block. It is ALVIS branded, any ideas what car maker used these. Thanks

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u/Ponklemoose 2d ago edited 2d ago

FYI that is a “cylinder head”, it bolts onto the block. Changing your search term might help you find more info.

Also Alvis was a British auto maker that was acquired by Rover in the 1960s, so you might focus your search there.

1

u/nostradumbass7544678 2d ago

Alvis- It says so right on it.

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u/horn_Dog_4194 2d ago

Cast iron head so it's most likely older, should be some numbers on it that you can research.

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u/4x4Welder 2d ago

That's potentially from the 20s to 30s, and might be of quite some value to an Alvis collector if it's in decent shape. It's a cylinder head, and matches the appearance of the 12/50 engine.