Fairly sure it won't make any difference to fan direction Edwin as it's a series field motor.

Clayton offer new cores for Smith's round fug stirrers. Might be cheaper than Holden's as they are source.

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone