No problem, Ben a Racepace does a similar mods (see previous posts) spoke to him on the phone at length and really knows his stuff.
Stacey has done a 1.68 60' before with less power than we have now on Federal road tyres....awesome work. My best is a 1.49...but using the M/T street drag radials....cheating in my eyes as they are almost a slick really, god only knows how they are DOT rated !