[Raceboy]

I got the information sheet from Porsche for my 1978 911 roller I have and while the sheet had engine and trans numbers, it did not state which engine it actually came with.
Would anyone know the type of engine and transmission by the numbers? Also regarding paint it says "onyxmet", is this Onyx Metallic right? Is it rare colour?

Here's the copy-paste of the information sheet I got from the dealer:

After Sales Manual - Classic Datenbank
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Fahrzeugdaten

Modell: 911 331
Ausführung:
Rechnungsdatum:
Händler:
Mehrausstattungen: (425,440,590)
Länderausstattung:
Modelljahr: 1978
Farbe: onyxmet.
Innenausstattung: 14
Motortyp:
kW/min:
Cm3:
Vmax:
Getriebeart:
Standgeräusche: Phon
Fahrgeräusche: Phon

FIN-(Fahrgestell) Nr: 9118300912
Produktionsnummer: 1082163
Motornummer: 6381547
Getriebenummer: 183298
Schlüsselnummer: C0838
ABE-Nr.:
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Bemerkungen