BenzWorld Junior Member
Date registered: Dec 2009
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How do I identify an engine?
I recently aquired an engine for a repair/conversion job. I had an old 300se w 126 with a damaged m103 motor, and bought a secondhand m117 to replace it with; (would have bought a complete donor car, but you can't have everything).
Parts are comming together nicely, and not too expensively, but I have hit a snag.
Most people identify the car by registration number, or vin number. These show the car on the computor as an '88 estate (which is odd for a '92 saloon), and would be useless anyway if it gave the correct car as I am replacing the existing engine and no-longer need bits for it...
Does a typical engine have an identifying stamp or build plate on it, and if so, where? A close inspection has found stamp marks all over it, on inlet, injection body, block etc... that I have no idea how to decode. The left hand cylinder head has a stencilled number in red on the end nearest the bulkhead, and the other one has a similar red smudge where one has worn away (the number is 822). I cannot see a plate anywhere except on the various pumps and fittings.
I need a distributor for a start, with ignition module and headers etc. but every time I try to get quotes I run into the old 'what is it?' question, do I have the registration number...
Can anyone suggest a solution, or is it just a case of test fitting everything? Or am I being thick here and there is an obvious answer I can't see?