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F22A
This engine series was used in the Honda Accord and Honda Prelude S. Aside from differences in tuning, these engines are substantially similar.

Specifications

Bore × Stroke: 85.0 × 95.0 mm
Displacement: 2156 cc
Valve Configuration: SOHC, 16 valves, non-VTEC
Compression ratio: 8.8:1
Max power:
F22A1: 125 hp (93.21 4 kW) @ 5200 rpm. (Accord Dx,Lx) NOTE* The 1992-1996 Prelude S had a F22A1 but because of a different more aggressively tuned ECU (P12), the power output was 135 hp (140 kW).
F22A4: 130 hp (96.94 kW) @ 5200 rpm. (Accord Ex) The F22A4 is the same motor as the F22A1 but it has slightly more power due to a tubular designed header and slightly bigger exhaust piping.
F22A6: 140 hp (104.40 kW) @ 5600 rpm. The F22A6 is the same as the F22A1 except for a slightly more aggressive camshaft, a better flowing cast exhaust manifold, a different more aggressively tuned ECU (PT6), and a different intake manifold that utilizes IAB's and also has a bigger plenum. The F22A6 also has a windage tray in the oil pan, and stiffer valve springs to accommodate the more aggressive camshaft.
F22A7: 140 hp (104.40 kW) @ 6101 rpm
Max torque:
F22A1: 137 ft·lbf (186 N m) @ 4000 rpm
F22A4: 142 ft·lbf (193 N m) @ 4000 rpm
F22A6: 142 ft·lbf (193 N m) @ 4500 rpm
F22A7: 145 ft·lbf (198 N m) @ 5000 rpm

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