Engine Numbers

The Lotus Carlton/Omega cars had specific engine numbers. An explanation follows as to what the engine number means:

This is a typical engine number from a Lotus Carlton/Omega:

C 3 6 G E T / 3 0 / M 1 0 0 0 1

C 3 6 G E T 6-character engine type number
30 2-character factory number:

30 - Lotus Cars, Hethel

M 1-character model year number:

L = 1990

M = 1991

N = 1992

P = 1993

1 1-character month number:

 

1 = January

2 = February

3 = March

4 = April

5 = May

6 = June

7 = July

8 = August

9 = September

A = October

B = November

C = December

0 0 0 1 4-character, continuous serial number

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