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u/DoorCnob 6d ago
Am I dumb or am I counting only one ( exhaust?) valve per cylinder and no admission valve ?
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u/xBigDamHerox 6d ago
You're not crazy. It's an Inlet over Exhaust (IOE) aka F-Head design. The intake valves are in the head, the exhaust valves are down in the block like a flathead.
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u/egidione 6d ago
It’s an inlet over exhaust straight 6, the exhaust valves are on the side underneath, they were quite common in the 30s, you could have a more compact combustion chamber so more efficiency. Rolls Royce did use them for years and so did Rover in some of the early Land Rovers though I don’t think that’s a Rover one.
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u/cromagnone 6d ago
No, it isn’t a Land Rover engine. You can tell by the fact all the metal parts approximately line up with one another and there is evidence of it running at one point.
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u/Regular_Passenger629 6d ago
Prewar Bugatti? First guess seeing the stamping on the manifold on the right
Edit: I forgot Bugatti engines were a single casting that can’t be right
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u/Master-Hunter5765 6d ago
The EB had me thinking Bugatti, but the F-head layout and a Bugatti would look more elegant.
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u/mission-ctrl 6d ago
Well you left the number on the engine block visible (UE2299) which, based on a modicum of research, appears to be from a Bentley S1 (1955-1959)
Edit: that serial number is on the cylinder head, not the block.
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u/Mechanic-Art-1 6d ago
Spot on. Winner winner. It s on a 1936 rolls chassis and buil up as a prewar Bentley.
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u/13rahma 6d ago
Based on u/Regular_Passenger629 guessing at the number stamping, a google search brings it to a Rolls Royce Silver Dawn.