Piston and Connecting Rod
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Specification |
|---|---|
| Piston diameter (DN) height from top of piston | 1.555in (39.5mm) |
| Piston diameter - single grade | 3.6396-3.6402in (92.446-92.46mm) |
| Piston-to-cylinder bore clearance | 0.0016-0.0029in (.04-.074mm) |
| Piston ring end gap - compression (top, gauge diameter) | 0.0079-0.0118in (.2-.3mm) |
| Piston ring end gap - compression (bottom, gauge diameter) | 0.0157-0.0276in (.4-.7mm) |
| Piston ring end gap - oil ring (steel rail, gauge diameter) | 0.0059-0.0177in (.15-.45mm) |
| Piston ring groove width - compression (top) | 0.0602-0.0610in (1.53-1.55mm) |
| Piston ring groove width - compression (bottom) | 0.0406-0.0413in (1.03-1.05mm) |
| Piston ring groove width - oil ring | 0.0799-0.0807in (2.03-2.05mm) |
| Piston ring width - upper compression ring | 0.0579-0.0587in (1.47-1.49mm) |
| Piston ring width - lower compression ring | 0.0382-0.0390in (.97-.99mm) |
| Piston ring-to-groove clearance (upper and lower compression rings) | 0.0016-0.0031in (.04-.08mm) |
| Piston pin bore diameter | 0.9057-0.9058in (23.004-23.008mm) |
| Piston pin diameter | 0.9054-0.9055in (22.997-23mm) |
| Piston pin length | 2.3071-2.3189in (58.6-58.9mm) |
| Piston pin-to-piston fit | 0.0002-0.0004in (.004-.011mm) |
| Connecting rod-to-pin clearance - standard | 0.0001-0.0007in (.003-.018mm) |
| Connecting rod pin bore diameter | 0.9056-0.9061in (23.003-23.015mm) |
| Connecting rod length (center-to-center) | 6.01in (152.68mm) |
| Connecting rod maximum allowed bend | 0.0015in (.038mm) |
| Connecting rod maximum allowed twist | 0.0020in (.05mm) |
| Connecting rod bearing bore diameter - single bore grade | 2.3570-2.3576in (59.869-59.883mm) |
| Connecting rod bearing-to-crankshaft clearance | 0.0008-0.0021in (.02-.054mm) |
| Connecting rod side clearance (assembled to crank) - service limit | 0.0167in (.425mm) |