Characteristics of the Lampredi 340 engine
Photo's are from a 375 America engine
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The cylinderhead and cylinderblock are one unit. Therefore a
head gasket isn't neccesarry.
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The cylinderhead/block unit is bolted to the crankcase.
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Cylinder liners are screwed-in from the bottom.
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Distance between bore centers is 108mm.
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- The Lampredi engine can be recognized by 7 studs at the valve cover.
Colombo engines got 6 studs.
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- Equipped with 12-plug ignition, located between the carburetors.
- Two kinds of lubrication, wet sump on the 'street' cars and dry sump on
the race cars.Most of the early America's have dry sump, the later America's
mostly got wet sump.
- Engine has 12 intake ports
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- The big-end of the connecting-rod is split horizontal
- Single overhead camshaft per bank of cylinders driven by a roller
chain
- Light alloy pistons, steeply domed
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- The crankshaft is running in seven Vandervell Thin-wall bearings
- The firing order is 1, 7, 5, 11, 3, 9, 6, 12, 2, 8, 4, 10
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- The 340 America was equiped with 3 40 DCF Weber carburettors (the
375 with 3 DCZ/3 Webers)
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