13-05-2021, 08:09 PM
Tested, no leaks and we have 1 gallon reserve. Yes the brass one had 3/8" BSP thread, so I tapped a piece of 5/16" plate 3/8" BSP screwed the tap in tight with a joint washer and then marked the plate out for cutting to shape with the main tap under the bonnet. The outlet to the carburetor is a Ewarts special smaller than 1/4" BSP and may heed opening up.