crank stroke
09-19-2007, 04:52 PM
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RACING JUNKIE
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Join Date: Feb 2006
Location: Lenoir City Tennessee
Posts: 864
crank stroke
i know where a crank is that is suppose to be for a 421. how can i tell if its the right stroke? i think 3.875. its for a 400 small block chevy
09-19-2007, 06:46 PM
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RACING JUNKIE
Join Date: Jan 2006
Location: La.
Posts: 2,890
stroke
Yep,
414" with std. bore of 4.125, 421 wth .030 over =4.155 bore
Zip.
09-20-2007, 03:18 AM
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JUNIOR BUILDER
Join Date: Oct 2005
Location: ohio
Posts: 94
most aftermarket cranks are marked with stroke on front throw.
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