"is there any way to get a bigger gain?"
Than a 3L & NO2?
In a contour?
The 3Ls are at between 220 and 290HP crank. + a 100 shot - say 350+HP. Some Vortec S/C guys are at 350 HP and climbing. Probably will get over 400 HP with intercooler.
How much do you want to ram through those front wheels? How much can you spend?
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
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