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Chevrolet V8 Bore and Stroke

CID Bore StrokeNotes
262 3.671" 3.10" (5.7" rod)
265 3.750" 3.00" ('55-'57 Gen.I 5.7" rod, '94-'96 Gen.II 4.3 liter V-8 "L99" 5.94" rod)
267 3.500" 3.48" (5.7" rod)
283 3.875" 3.00" (5.7" rod)
293 3.780" 3.27" ('99-later "LR4" 4.8 Liter Vortec)
302 4.000" 3.00" (5.7" rod)
305 3.740" 3.48" (5.7" rod)
307 3.875" 3.25" (5.7" rod)
325 3.780" 3.62" ('99-later "LM7" 5.3 Liter Vortec)
327 4.000" 3.25" (5.7" rod)
350 4.000" 3.48" (5.7" rod)
350 4.000" 3.48" ('96-'00 Vortec, 5.7" rod)
350 3.900" 3.66" ('89-'95 "LT5" in "ZR1" Corvette 32-valve DOHC) (5.74" rod)
350 3.900" 3.62" ('97-later Gen.III "LS1")(6.098" rod) (actually totals 346 cubic inches)
364 4.000" 3.62" ('99-later "LQ4" 6.0 Liter Vortec)
383 4.000" 3.80" ('00 "HT 383" Gen.I truck crate motor) (5.7" rod)
400 4.125" 3.75" (5.565" rod)
Two common, non-factory smallblock combinations:
377 4.155" 3.48" (5.7" or 6.00" rod) 400 block and a 350 crank with "spacer" main bearings
383 4.030" 3.76" (5.565" or 5.7" or 6.0" rod) 350 block and a 400 crank, main bearing crank journals cut to 350 size
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