A question relationated with vibration to Billy from Williamsport, P.A
I want to contact Billy from Williamsport P.A. Because he describe the same vibration that my truck have usually from 35 to 50 mph and in upshift and downshift.I'm crazy for what to do to correct the vib. I found that the premium gas reduced the vib 50% but its still here. Please help.
F 150 LARIAT 4.6 V8
EXT. CAB 1997
3.55 REG SLIP
F 150 LARIAT 4.6 V8
EXT. CAB 1997
3.55 REG SLIP


