Engine Specifications: Pistons
| DESCRIPTION | SPECIFICATIONS | |
|---|---|---|
| Metric | Standard | |
| Material Type | Aluminum (Full Floating Pins) | |
| Piston Diameter | 95.98 mm ± 0.019 mm | 3.7788 in. ± 0.0008 in. |
| Clearance at Size Location | -0.007 to +0.047 mm | -0.003 to +0.0018 in. |
| Piston Weight - A | 374.4-379.4 grams | 13.21-13.38 oz. |
| Piston Weight - B | 379.5-384.4 grams | 13.38-13.56 oz. |
| Piston Ring Groove Diameter #1 | 87.4-87.6 mm | 3.441-3.449 in. |
| Piston Ring Groove Diameter #2 | 86.3-86.5 mm | 3.397-3.4055 in. |
| Piston Ring Groove Diameter #3 | 86.5-86.7 mm | 3.406-3.413 in. |
| >>DESCRIPTION<< | >>SPECIFICATION<< | |
| >>Metric<< | >>Standard<< | |
| Piston Diameter 3.8L - Measured 33.01 mm (1.30 in) From Piston Top | 95.968-95.998 mm. | 3.778-3.779 in. |
| Clearance in Bore @ Size Location (New) | -0.005-0.039 mm | -0.0002-0.0015 in. |
| Weight 3.8L | 426 ± 5 grams | 15.03 ± 0.1764 oz. |
| Description | Specification | |
|---|---|---|
| Metric | Standard | |
| Material | Cast Aluminum Alloy | |
| Piston Diameter (Metal to Metal) - Grade 1 | 95.955 mm ± 0.005 mm | 3.7778 in. ± 0.0002 in. |
| Piston Diameter (Metal to Metal) - Grade 2 | 95.965 mm ± 0.005 mm | 3.7781 in. ± 0.0002 in. |
| Piston Diameter (Metal to Coating) - Grade 1 | 95.970 - 96.000 mm | 3.7783 - 3.7795 in. |
| Piston Diameter (Metal to Coating) - Grade 2 | 95.980 - 96.010 mm | 3.7787 - 3.7835 in. |
| Clearance at Size Location (Metal to Metal) | 0.030 - 0.050 mm | 0.0012 - 0.0020 in. |
| Clearance at Size Location (Metal to Coating) | 0.010 - 0.030 mm | 0.0004 - 0.0012 in. |
| Piston Weight | 354 - 364 grams | 12.487 - 12.840 oz. |
| Piston Pin Offset | 0.8 mm | 0.031 in. |
| Piston Ring Groove Diameter - No. 1 | 88.24 - 88.44 mm | 3.474 - 3.482 in. |
| Piston Ring Groove Diameter - No. 2 | 86.54 - 86.74 mm | 3.407 - 3.415 in. |
| Piston Ring Groove Diameter - No. 3 | 89.16 - 89.36 mm | 3.510 - 3.518 in. |