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PY Online Forums - Bringing the Pontiac Hobby Together > Classic TECH- specs, codes, resto issues FORUMS > OHC-6 TECH > Crankshaft # ID
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Old 03-24-2013, 08:29 PM
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hpp hpp is offline
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Almost looks like the only difference between the 1bbl and 4 bbl crank is more holes drilled into the 4bbl cranks counterweights.

How do the journals look will the crank need any machine work or just a polish?

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Old 03-24-2013, 08:41 PM
Cammer-6 Cammer-6 is offline
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Quote:
Originally Posted by hpp View Post
Almost looks like the only difference between the 1bbl and 4 bbl crank is more holes drilled into the 4bbl cranks counterweights.

How do the journals look will the crank need any machine work or just a polish?
that will vary from one crank to the next
only part of rotating assembly that differs from 1 to 4bbl was the damper and bearings

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