Originally Posted by John V6
It has got to better than the 3.7l that basically has the air intake just behind the passenger side exhaust manifold. The S1 has an inlet funnel next to the inverted louvres on the bonnet.

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Some thought seems to have gone into that unlike later Roadsters doh

Richard

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