+1
+1
Don't think spring failed first , like Quik said piston slapping valve broke spring .
Dang didn't knock sensors go off from all the metal to metal ?
Bore it out , slap some pistons in it , put some 317s on it and have 6.0 Liter the hard way .
Now what is a tune again?
Comp Cam 54-412-11 , Int:265, 212, .522 , Exh: 271, 218, .529 , LSA 114 , Longtube , CAI (Vararam) , TransGo HD2 shift kit , tuned by me with EFILive