[Healeys] Studs

[Michael MacLean]

Does anyone know if the three studs that connect the 100 exhaust manifold to the down pipe are BSF or UNF?  I sent to Moss for the three studs, washers and brass nuts,  but was sent too small a size.  I called them and was told that is what they call for and they are UNF threads.  I'm confused.  Virtually everything on this engine is BSF.  What the heck thread size and type should they be?Mike MacLean

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