The Dyno!

This expensive tuning device determines torque and horsepower curves, allowing for detailed observation of engine performance. When determined to increase efficiency and power output of your vehicle, dyno can prove to be a valuable monitoring device.

1. Stock 1990-1993 Honda Accord LX/EX.(F22A1)
125hp@5200rpm
137lb-ft@4000rpm
(at the crank)

2. Stock 1990-1991 Honda Accord EX-R.(F22A3)
(different exhaust manifold, 4-2-1 tubular style, like most aftermarket headers) 130hp@5200rpm
140lb-ft@4200rpm
(at the crank)

3. Stock 1992-1993 Honda Accord EX-R.(F22A4)
(different cam and external ignition coil)
140hp@5600rpm
142lb-ft@4500rpm
(at the crank)

4. My 1990 Honda Accord EX.(F22A1)
(203,000km, modifications included cat-back exhaust system, hi-flow catalitic, 2.5" CAI with K+N air filter, Ractive ignition wires, and a fresh set of NGK-R plugs)
113.7hp@4900rpm
135.3ft-lb@3900rpm
(at the wheels)
with the drivetrain loss, that only about 80% of the power at the crank.
Therefore:
142.1bhp@4900rpm(+13.7% over stock)
169.1@3900rpm(+23.5% over stock)
(at the crank)

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