Car appreciation... the aesthetics, the engineering, etc

Not sure, it's making a "chuffing" type noise and if you look down 2 of the trumpets you can see the bright light from combustion in the cylinder, which you shouldn't really be able to, so I think I've fucked 2 valves. It's down on power and it's banging like a motherfucker on overrun. Way more than normal, it's like a Fallujah wedding, which suggests it's running super lean.