VTEC engagement point in 2004 model
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Joined: Oct 2003
Posts: 11
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From: portland
2004 Honda S2000 vs. 2003 Honda S2000
2004
2003
Change/Notes
Powertrain
Engine
2.2-liter DOHC VTEC
2.0-liter DOHC VTEC
+ 0.2 liters, attributable to engine stroke change
Horsepower
240 @ 7800 rpm
240 @ 8300 rpm
+ 0 hp @ -500 rpm, same peak horsepower with overall powerband characteristics strengthened 4% to 10% between 1000 -8000 rpm
Torque (lbs.-ft.)
162 @ 6500 rpm
153 @ 7500 rpm
+8 lb.-ft. @ -1000 rpm with improved powerband characteristics strengthened between 4% and 10% between 1000-8000 rpm. Max torque increases 5%.
Rev Limit (fuel cutoff)
8200RPM 2.2-liter DOHC VTEC
9000RPM 2.0-liter DOHC VTEC
Piston travel configuration decreases rpm limit by 9% because of piston speed increase.
Compression Ratio
11.1:1
11.0:1
+0.1:1
Transmission Ratios
Reconfigured
- Gears 1-4 = 4% lower for performance
Gear 5 = 1% lower
Gear 6 = 2% higher
2004
2003
Change/Notes
Powertrain
Engine
2.2-liter DOHC VTEC
2.0-liter DOHC VTEC
+ 0.2 liters, attributable to engine stroke change
Horsepower
240 @ 7800 rpm
240 @ 8300 rpm
+ 0 hp @ -500 rpm, same peak horsepower with overall powerband characteristics strengthened 4% to 10% between 1000 -8000 rpm
Torque (lbs.-ft.)
162 @ 6500 rpm
153 @ 7500 rpm
+8 lb.-ft. @ -1000 rpm with improved powerband characteristics strengthened between 4% and 10% between 1000-8000 rpm. Max torque increases 5%.
Rev Limit (fuel cutoff)
8200RPM 2.2-liter DOHC VTEC
9000RPM 2.0-liter DOHC VTEC
Piston travel configuration decreases rpm limit by 9% because of piston speed increase.
Compression Ratio
11.1:1
11.0:1
+0.1:1
Transmission Ratios
Reconfigured
- Gears 1-4 = 4% lower for performance
Gear 5 = 1% lower
Gear 6 = 2% higher
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