Dart 450r what mm bore & sleeve?on that 406ex. i have 80mm big bore & 4.5mm stroker on veshra rod and
i am at only 352cc. Your 5.0mm stroke would only give you around 360cc with 80mm bore.Did you some how
use a 400ex 89mm piston and sleeve?
my little thumper:
Sparks exhaust,cdi,FCR 35mm set up from jeff at Sparks.
port & polish,kibblewhite springs 1mm oversize blackdiamond valves,3 angle valve job.
Web cam .335 lift, 280 dration & rockers.
Barnett dirt digger clutch ,4degree retarded timing "for top end", 15-36 gearing, on race gas.[/b]