Piston And Connecting Rod Specifications
WARNING: This page is about a different car, the 2022 Ford Police Interceptor Utility and 2022 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
PISTON AND CONNECTING ROD SPECIFICATIONS
| Item | Specification |
|---|---|
| Piston diameter - single grade | 3.5569 -3.5575 in (90.346 -90.36 mm) |
| Piston-to-cylinder bore clearance | 0.0016 -0.0029 in (.04 -.074 mm) |
| Piston ring end gap - compression (top, gauge diameter) | 0.0091 -0.0130 in (.23 -.33 mm) |
| Piston ring end gap - compression (bottom, gauge diameter) | 0.0157 -0.0236 in (.4 -.6 mm) |
| Piston ring end gap -- oil ring (steel rail, gauge diameter) | 0.0059 -0.0177 in (.15 -.45 mm) |
| Piston ring groove width - compression (top) | 0.0406 -0.0413 in (1.03 -1.05 mm) |
| Piston ring groove width -- compression (bottom) | 0.0406 -0.0413 in (1.03 -1.05 mm) |
| Piston ring groove width - oil ring | 0.0799 -0.0807 in (2.03 -2.05 mm) |
| Piston ring width - upper compression ring | 0.0382 -0.0390 in (.97 -.99 mm) |
| Piston ring width - lower compression ring | 0.0382 -0.0390 in (.97 -.99 mm) |
| Piston ring-to-groove clearance (upper and lower compression rings) | 0.0016 -0.0031 in (.04 -.08 mm) |
| Piston pin bore diameter | 0.9057 -0.9059 in (23.004 -23.009 mm) |
| Piston pin diameter | 0.9054 -0.9055 in (22.997 -23 mm) |
| Piston diameter (DN) height from top of the piston | 1.398 in (35.5 mm) |
| Piston pin length | 2.1654 -2.1772 in (55 -55.3 mm) |
| Piston pin-to-piston fit | 0.0000 -0.0005 in (.0004 -.012 mm) |
| Connecting rod-to-pin clearance - standard | 0.0001 -0.0007 in (.003 -.018 mm) |
| Connecting rod pin bore diameter | 0.9056 -0.9061 in (23.003 -23.015 mm) |
| Connecting rod length (center-to-center) | 6.01 in (152.68 mm) |
| Connecting rod maximum allowed bend | 0.0015 in (.038 mm) |
| Connecting rod maximum allowed twist | 0.0020 in (.05 mm) |
| Connecting rod bearing bore diameter - single grade | 2.3570 -2.3576 in (59.869 -59.883 mm) |
| Connecting rod bearing-to-crankshaft clearance | 0.0012 -0.0031 in (.031 -.078 mm) |
| Connecting rod side clearance (assembled to crank) - standard | 0.0118 in (.3 mm) |
| Connecting rod side clearance (assembled to crank) - service limit (max play) | 0.0167 in (.425 mm) |