I'd like to know a little more about what year and type of engine I have here, haven't found a engine build # chart yet searching the WWW ... wondering if anybody here has a chart or list handy?


I would like to identify this one: *645 xxxx*

1975 -6
you need the engine type number, below that number on the horizontal plane.
911/43 would be a US- S engine

More;
1975 911 911/41 150/5700 235/3800 9115100001-9115101238 6150001-6152007 1238
911 Targa 911/41 150/5700 235/3800 9115110001-9115110998 s.o. 998
911 Sporto 911/46 150/5700 235/3800 s.o. 6159001-6159252 s.o. Sportomatik
911 S 911/42 175/5800 235/4000 9115300001-9115300385 6350001-6350567 385
911 S Targa 911/42 175/5800 235/4000 9115310001-9115310266 s.o. 266
911 S Sporto 911/47 175/5800 235/4000 s.o. 6359001-6359105 s.o. Sportomatik
911 S US 911/43 165/5800 225/4000 9115200001-9115202310 6450001-6452440 2310 alle US mit Calif.
911 S Targa US 911/43 165/5800 225/4000 9115210001-9115211517 s.o. 1517 alle US mit Calif.
911 S Sporto US 911/48 165/5800 225/4000 s.o. 6459001-6459135 s.o. Sportomatik
911 S US Calif. 911/44 165/5800 225/4000 siehe 911 US 655xxxx-? s.o.
911 S Sporto US Calif. 911/49 165/5800 225/4000 s.o. 6559xxx-? s.o. Sportomatik
911 Carrera 911/83 210/6300 255/5100 9115600001-9115600518 6650021-6650712 518
911 Carrera Targa 911/83 210/6300 255/5100 9115610001-9115610197 s.o. 97
911 Carrera US 911/43 165/5800 225/4000 9115400001-9115400395 wie 911 S US 395 alle US-Carrera mit Kalif.
911 Carrera US Sporto 911/48 165/5800 225/4000 s.o. wie 911 S US-Sporto s.o. Sportomatik
911 Carrera US Calif. 911/44 165/5800 225/4000 s.o. wie 911 S US-Calif.

Thanks Jeff, much appreciated

I'll check those additional numbers shortly

Take a look at elferhelfer

645xxxx is

6 = 6-Zyl.-Motor

4= US-911S
+ US-Carrera. '75

5= Modell 75

Where does one find this number? I need to ID my 2.7 too.

Danke Dek ... and Happy New Year

(I finally got a set of ATS wheels too)



Joe, I'll call you

... and post this: