I'm not getting into this issue again but as a comment all engines do have torsional vibration in varying degrees.I'd suggest you ask 'judge'who works for the OEM of the V6 damper his thoughts and any data on the Zetec.Regards TAH

------------------
V6 MTX
'Buy the tools and dodge the fools..."
'Its only nuts & bolts!'
Terry's Website

V6 MTX
'Don't p**s up my back then tell me it's raining!!!"
'Its only nuts & bolts!'
'If I build it,fix it,upgrade it or modify it...MAYBE they will come....!
Haines Motor Sports Inc,
Dealer for 'Quaife America' & 'Autotech Sport Tuning'
SOLE USA Dealer for the American Axle 'AUSSIE BAR'...
Get a Turbo for you Zetec from HMS Inc...by 'The Demon' ...www.DemonDynamics.co.uk
..don't talk about it DO IT !!!