Thread: GM NOS 3967811 7115 6223 Crankshaft Casting change
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Old 06-15-2017, 01:37 AM
lbnaz lbnaz is online now
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Default GM NOS 3967811 7115 6223 Crankshaft Casting change
When did GM change the casting numbers on the crankshaft from 7115 to 6223 on NOS cranks 3967811. Are they the same or is there a difference. Thanks, Larry
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