I've had it twice, 17° max spark, low 11's AFR, 92 octane w/RP max boost. Both times #8 cylinder.
Sent from my XT1254 using the svtperformance.com mobile app
Sent from my XT1254 using the svtperformance.com mobile app
Closed entirely and getting the P0358 DTC.How much is it closing the gap?
Sounds like a broken ring land......don't ask me how I know!!
Scope it and you may be surprised......mine ran good with ring lands broken on 3 pistons and a bent rod!!
Plug gaps close when hit by the piston pieces that incidentally will end up in your intake manifold!!