From the looks of it I'm thinking it's 1977 911S 2.7

Am I correct???

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This from a Forum contributor immortal - Grady Clay

Your 7=digit ’75 engine number should have the form:
*6X5xxxx*
where:
6 = Engine design, 6-cylinder engine
X = numbers 1-7 (see list below)
5 = Model year 1975
xxxx = Sequential serial number usually starting with 0001. Exceptions: Starting with 9001 = engine for Sportomatic.

X = 1, 911, Type 911/41, (or Type 911/46 for Sportomatic)
X = 3, 911S, Type 911/42, (or Type 911/47 for Sportomatic)
X = 4, 911S/Carrera USA, Type 911/43, (or Type 911/48 for Sportomatic)
X = 5, 911S/Carrera California, Type 911/44, (or Type 911/49 for Sportomatic)
X = 6, Carrera 2.7 (MFI), Type 911/83


X = 7, Turbo 3.0, Type 930/50

Best,
Grady

Oops, but I see no “2” in Grady’s X list. More research needed!

It's a 1977 2.7 S engine.. There's also a model # to the right of it 911/??

That would confirm what it is too.

Much appreciate info....

very helpful

If you have not already seen it, check this thread

http://forums.pelicanparts.com/porsche-911...ber-decode.html

I missed this on the bird....Thx

Oscar, which one is getting the 6?

SSSHHH....Kent...don't tell my wife

I just happen to sell my 2007 FJCruiser and bought another long term 914 project and this one is coming with this engine.

Oh I'm telling for sure !