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Old Oct 29, 2009 | 12:39 PM
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Macster
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From: Bentonville, AR
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Originally Posted by Rickker
Well, this may be overkill on this subject, but for what it's worth...

As Jake Raby has reported, the engine number is etched on a sloping panel on the crankcase, per the attached pic. On my engine, the numbers are hard to read, but come out as:

M96/03 663 09588

- The M96/03 is the code for the 3.6 liter 996 engine
- After this, there are 8 digits, of which the last 5 are the specific serial number of the engine.
- The digits "663" stand for: the first "6" = six cylinders, the second "6" = normally aspirated engine, and the "3" = 2003 year of production, as I have reported earlier.

The above deciphering comes from page 559 of "Porsche 996 - The Essential Companion", see attached chart.

The above is in agreement with what Macster has reported earlier in this thread.

...Rickker
Found pic of my Turbo's engine serial number. I won't post pic but here's the number:

M96/7064301466

Engine is in my 03 Turbo with AFAIK with the orignal engine. (Car had just 9500 miles on it when I bought it June this year.)

Sincerely,

Macster.
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