Did David Z use the stock 60mm throttle body? If so, that is someone who should try the 65mm,

Instead of using 3L valves since the steel inserts are an expensive PITA, how about custom big valves with stock size/mnarrow stems? Too expensive?


1999 Amazon Green SVT Contour (#554/2760)
Stock SVT Duratec V6 with:
Intake- K&N filter/75mm MAF meter
Exhaust- MSDS Y-pipe/Bassani catback
Durability-Ford "dual mode" damper, Mobil 1/K&N oil filter
179.2 FWHP at 6900 RPM