The 3FSE engine is not an interference (zero tolerance) engine.
No. Nothing is zero tolerance if you measure to a great enough precision.
Beggars and Choosers - 1999 Zero Tolerance 2-9 was released on: USA: 22 August 2000
Judging Amy - 1999 Zero Tolerance 2-1 is rated/received certificates of: Argentina:13
if by zero tolerance you mean that if the timing goes the valves will get bent then yes it is ^ that is wrong Non Interference is that term and your engine IS NON INTERFERENCE !!