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General Specifications

WARNING: This page is about a different car, the 2003 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

All dimensions are in mm unless noted.

ENGINE - 2.3L GENERAL SPECIFICATIONS

Item Specification
Displacement 2.3L
No. of cylinders 4
Bore/stroke 87.5/94.0
Firing order 1-3-4-2
Oil pressure (hot @ 2,000 rpm) 29-39 psi 200-268 kPa
Oil capacity 4.1 qts. + 0.4 qt. with filter
Cylinder Block 
Cylinder bore diameter 87.5-87.53 mm (3.444-3.445 in.)
Cylinder bore maximum out-of-round 0.008 mm (0.0003 in.)
Main bearing bore diameter 57.020-57.038 mm (2.244-2.245 in.)
Head gasket surface flatness 0.1 mm/general 0.05 mm/200 x 200 (0.0003 in./general) (0.0019 in./7.87 x 7.87)
Piston 
Diameter (1) 87.5-87.51 mm (3.444.3.445 in.)
Diameter (2) 87.51-87.52 mm (3.4452-3.4456 in.)
Diameter (3) 87.52-87.53 mm (3.444-3.446 in.)
Piston-to-bore clearance 0.025-0.045 mm (0.0009-0.0017 in.)
Ring groove width - top 1.203-1.205 mm (0.0473-0.0474 in.)
Ring groove width - 2nd 1.17-1.19 mm (0.0.460-0.0468 in.)
Ring groove width - oil 2.501-2.503 mm (0.0984-0.0985 in.)
Piston skirt coating thickness 0.008-0.020 mm (0.0003-0.0007 in.)
Piston Pin 
Diameter 20.995-21.0 mm (0.8266-0.8268 in.)
Length 59.6-60.4 mm (2.346-2.377 in.)
Piston-to-pin clearance 0.008-0.016 mm (0.0003-0.0006 in.)
Pin-to-rod clearance Press fit
Cylinder Head 
Valve lift @ zero lash (exhaust) 7.4 mm
Valve lift @ zero lash (intake) 7.9 mm
Valve guide diameter 5.509-5.539 mm (0.216-0.218 in.)
Valve seat width - intake/exhaust 0.99-1.84 mm (0.038-0.072 in.)
Valve seat angle 45 degrees
Valve seat runout 0.075 mm (0.0029 in.)
Valve lash adjuster bore diameter 31.00-31.03 mm (1.220-1.221 in.)
Cam bore diameter 25.015-25.040 mm (0.984-0.985 in.)
Valve 
Valve head diameter - intake 34.85-35.15 mm (1.372-1.383 in.)
Valve head diameter - exhaust 29.85-30.15 mm (1.175-1.187 in.)
Valve stem diameter - intake 5.470-5.485 mm (0.2153-0.2159 in.)
Valve stem diameter - exhaust 5.465-5.480 mm (0.2151-0.2157 in.)
Valve stem-to-guide clearance - intake 0.0027 mm (0.0009 in.)
Valve stem-to-guide clearance - exhaust 0.0029 mm (0.0011 in.)
Valve face runout 0.05 mm (0.001 in.)
Valve face angle 45 degrees
Valve Spring - Compression Pressure 
Intake and exhaust (installed) 38.667 lbs.
Intake (valve open) 8.9 mm (0.35 in) of lift 97.032 lbs.
Exhaust (valve open) 7.4 mm of lift 93.338 lbs.
Free length 44.92 mm (1.768 in.)
Assembled height 37.9 mm (1.492 in.)
Crankshaft 
Main bearing journal diameter 51.980-52.000 mm (2.046-2.047 in.)
Production repair 51.730-51.750 mm (2.036-2.037 in.)
Main bearing clearance 0.019-0.035 mm (0.0007-0.0013 in.)
Connecting rod journal diameter 49.980-50.000 mm (1.967-1.968 in.)
Production repair 49.730-49.750 mm (1.957-1.958 in.)
End play 0.22-0.43 mm (0.008-0.016 in.)
Rings 
Width - top 1.17-1.185 mm (0.0460-0.0466 in.)
Width - 2nd 1.197-1.199 mm (0.0471-0.0472 in.)
Width - oil 2.38-2.45 mm (0.093-0.096 in.)
Ring gap (in bore) - top 0.16-0.31 mm (0.006-0.012 in.)
Ring gap (in bore) - 2nd 0.33-0.48 mm (0.012-0.018 in.)
Ring gap (in bore) - oil 0.2-0.7 mm (0.007-0.027 in.)
Valve Tappet 
Diameter 30.97-30.98 mm (1.2192-1.2196 in.)
Tappet-to-valve clearance - intake 0.22-0.28 mm (0.008-0.011 in.)
Tappet-to-valve clearance - exhaust 0.27-0.33 mm (0.010-0.013 in.)
Tappet-to-bore clearance 0.02-0.06 mm (0.0007-0.0023 in.)
Camshaft 
Lobe lift - intake 8.24999 mm (0.324 in.)
Lobe lift - exhaust 7.80007 mm (0.307 in.)
Runout (1)(1) 0.03 mm (0.001 in.)
Thrust clearance 0.09-0.24 mm (0.003-0.009 in.)
Journal diameter 24.96-24.98 mm (0.982-0.983 in.)
Journal-to-bore clearance 0.035-0.080 mm (0.001-0.003 in.)
Connecting Rod 
Bearing clearance 0.027-0.052 (0.001-0.002 in.)
Bearing thickness 1.496-1.520 mm (0.058-0.059 in.)
Crank bore diameter 53.025-53.045 mm (2.087-2.088 in.)
Pin bore diameter 20.965-20.985 mm (0.825-0.826 in.)
Length (center to center) 154.8 mm (6.094 in.)
Side clearance 1.95-3.05 mm (0.076-0.120 in.)
Axial clearance 0.14-0.36 mm (0.005-0.014 in.)
(1) No. 3 Journal - Supported by No. 1 and No. 5 journals.


Engine -- 2.3L General Specifications Chart (Sealant Or Cleaner)

Item Specification
Metal Surface Cleaner F4AZ-19A536-RA WSE-M5B392-A
Silicone Gasket and Sealant F7AZ-19554-EA WSE-M4G323-A4
Super Premium SAE 5W-20 Engine Oil XO-5W20-QSP WSS-M2C153-H
MERPOL® O-Ring Seal Lubricant ESE-M99B144-B