The Syncro gearsets are semi-helical cut,will take a higher torque,are machined from upgraded materials Vs stoc,also have new input and output shafts.The 'dog clutch' gears are straight cut which ,as we all know,straight cut gears can handle the greatest torque but are not a quiet as helical cuts....PM me if you want a special box built....TH wink

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 !!!