Noise in my 77 mgb engineer

[texases]

@anon86613489

Yes, they are mechanical and needs regular adjustment.
And the thing is they DO NOT LIKE unleaded fuel at all. Been there, done that. They need the lead additive.
The head can be modified with steel inserts in the valve seats so they can use unleaded.

Yep, that photo came from a story on repairing a head that had a burned valve caused by using unleaded gas:

Chicagoland MG Club:Photos