348/409/427 W engine information

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hurst01

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Jeffersonville, Indiana
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1929 Buick, 1957 Chevrolet
348-409 W-ENGINE BORE AND STROKE

348 = 4.125" x 3.25" (6.125" rod)
409 = 4.312" x 3.50" (6.010" rod)
427 = 4.312" x 3.65" (6.135" rod), 1963 "Z11" SHP drag race



W-ENGINE CRANKSHAFT JOURNAL SIZES

348
409
427 Z-11
All W-motors used Mains- 2.50", Rods- 2.20"
W-engine crankshaft journal sizes
 
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