General Specifications - Piston
WARNING: This page is about a different car, the 2004 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
GENERAL SPECIFICATIONS - PISTON
| Item | Specification | ||
|---|---|---|---|
| Diameter | |||
| Coded Red | 88.962 - 88.978 mm (3.5024 - 3.5031 in.) | ||
| Coded Blue Coded Yellow |
88.988 - 89.004 mm (3.5035 - 3.5041 in.) 89.014 - 89.030 mm (3.5045 - 3.5051 in.) |
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| Piston-to-Bore Clearance Service Limit |
0.030 - 0.056 mm (0.0012 - 0.0022 in.) 0.081 mm Max. |
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| Service Piston Selection (1) | |||
| Piston Bore Diameter 89.009 - 89.035 mm (3.5043 - 3.05053 in.) |
Service Piston Grade Required RED |
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| 89.035 - 89.060 mm (3.5053 - 3.5063 in.) 89.060 - 89.086 mm (3.5063 - 3.5073 in.) |
BLUE YELLOW |
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| Ring Groove Width | |||
| Compression (Top) | 1.530 - 1.555 mm (0.0602 - 0.0612 in.) | ||
| Compression (Bottom) Oil |
1.530 - 1.555 mm (0.602 - 0.612 in.) 4.030 - 4.055 mm (0.1587 - 0.1596 in.) |
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| Piston Pin | |||
| Length Diameter |
76.5 - 77.2 mm (3.012 - 3.039 in.) 23.162 - 23.175 mm (0.9119 - 0.9124 in.) |
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| Pin to Piston Clearance Pin to Rod Clearance |
0.005 - 0.012 mm (0.0002 - 0.0005 in.) Press Kit 4 Kilo Newtons (900 Lbs.) |
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| Piston Pins | |||
| Ring Width | |||
| Compression (Top) | 1.460 - 1.490 mm (0.0575 - 0.0587 in.) | ||
| Compression (Bottom) | 1.460 - 1.490 mm (0.0575 - 0.0587 in.) | ||
| Oil Ring | Side Seal - Snug Fit | ||
| Service Limit | Side Clearance 0.15 mm Max.(0.006 in. Max.) |
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| Ring Gap | |||
| Compression (Top) (in Gauge) | 0.25 - 0.50 mm (0.01 - 0.02 in.) | ||
| Compression (Bottom) (in Gauge) Oil Ring (Steel Rail) (in Gauge) |
0.25 - 0.50 mm (0.01 - 0.02 in.) 0.25 - 1.25 mm (0.010 - 0.049 in.) |
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| Side Clearance | |||
| 1st Ring 2nd Ring |
0.040 - 0.095 mm (0.0016 - 0.0037 in.) 0.040 - 0.095 mm (0.0016 - 0.0037 in.) |
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