Quote:
Originally Posted by GH85Carrera
I was under the impression that numbers matching is mostly a US car production thing. The heads, water pump, generator, and so on all have date stamps on them and the drive train and transmission all have date stamps and numbers to prove the same era of manufacture. Porsche 911s certainly have engine numbers and transmission and chassis numbers that the car was sold with when new. But the term "number matching" is a total misnomer for most European cars.
Is that that correct?
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There are Chassis numbers and there are engine numbers. Each denotes the number of each built.
There were roughly 2200 911S's built each year from 68 through 73. Of which 1500 or so were Coupes and 700 or so Targa's..Coupes and Targas each have their own individual serial number range chassis. Engines were for the number of engines built in that configuration, thus the up tp 2200 Sn.
Thus you could have Coupe chassis number 1500 and engine number 2200. One good indicator is to compare how high the chassis number is vs how high the engine number to see if it is the original engine. They would not have put engine number 10 in chassis number 1500. But if you had chassis number 1500 and engine number 2190 it would be an almost certainty that it is the original engine.