Editing 383/388 Chevy stroker (section)
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====Crankshaft==== *[http://www.summitracing.com/parts/nal-12489436 '''Crankshaft'''] is a quality, forged 4340 steel unit made for the 1-piece rear main seal configuration. It is externally balanced. Instead of the usual 3.75" stroke, it is a 3.8" stroke, so the displacement will still be 383 ci, but with a 4" bore block. Chevy saw no reason to bore out a new block just so a 3.75" crank could be used. **This crank in a 0.030" over block gives a displacement of 388ci.
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