Yes. The duration is 218 @ .050, Valve lift is 458. Intake separation is 105 deg and exhaust is 115 deg.
The backfire occurs as soon as I accelerate from about 20 mph on the flat or when I start up a hill.
Initial timing is 12 deg BTDC
Last edited by LAJones48; 11/21/2024 2:47 AM. Reason: More info
