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The Ford V-8 Engine Workshop Y-Block 239, 272, 292, 312 |
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Factory bore/stroke combinations are shown in bold
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| Y-Block | |||
| Bore | Stroke | ||
| 3.11" | 3.30" | 3.44" | |
| 3.50" | 239 | ||
| 3.63" | 272 | ||
| 3.75" | 292 | ||
| 3.80" | 312 | ||
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The Y-block piston is flat topped. The piston pin is a sliding fit in both
the piston and the connecting rod, secured by snap rings. The connecting
rod features 3/8" bolts.
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