Not Ranked
exhaust temp will be 1600 +_ with 16-1 afr and the seat could come out of the alum if shutdown with that valve open which will increase the clearance causing clicking---if it is out any appreciably distance the piston will hit the valve and soon the seat and/or vavle will be destroyed followed in short order of the cylinder head and piston-----
At least with Webbers you won't have pieces flowing backwards thru the intake into other cylinders-----------
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