The calendar year for 1917 according to my books runs from approximately C91000 - C141500.
NZ
Australia
NSW
Vic
QLD
SA
C98674, C100017.
WA
TAS
From the MTFCNZ Register: 1917 Engines.
C99752 Block, C99857 Tourer, C102578 [3.16.17] TT Truck, C107395 Speedster, C107565 Block, C109713 Tourer, C109785 [5.1.17] Pick-up, C112067 Roadster, C112205 Centredoor, C113440 Roadster, C113622 Block, C118537 Block, C127050 Roadster, C127070 Tourer, C131887 Roadster [Car and owner now in Australia, NSW??], C133813 Roadster.