Join Date: Aug 2011
Location: Albuquerque, NM
Ferrari Life Posts: 11,856
212- When you hit the throttle pedal, you activate the accelerator pumps to dump more fuel into the engine for acceleration. The accelerator pumps are adjustable, but are usually ignored in carb tuning. Yours may need to be backed off just a bit.
You may also be pulling a bit of oil past the valve stem seals as they wear. Not an issue with this kind of engine, especially one with 16 liters of oil. In the olden days, that would foul the plugs, but the Daytona has capacitor discharge igntion, which does a good job of burning off any deposits. Especially true with wide heat range NGK plugs.
Popping on throttle release and deceleration is normal, as cold air is drawn into the partial vacuum created by the decrease in exhaust gas flow, and then mixes with unburned fuel vapor and mildly explodes. In extreme cases with rich mixtures like race cars, flames will actually be seen coming out of the exhaust pipes. Sounds great and I would not worry about it.
Present: 575M 135171
Past: Dino 246 GT 02984, 365 GTB/4 14009, 308 GTS 25125
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