Or could use matt lacquer???.
Or leave O-natural
But if you’re looking for a OEM concourse look ....the Gearbox should be bolted to the engine ....then spray engine with some of the engine components ( l can list ) now the over spray will fall on the gearbox

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Then BMC turned the engine Upsidedown to dry, I have some pictures somewhere where the Paint runs on the sump are upside down.....
