Hitting on all eight cylinders
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Last Active: 7 Years Ago
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Hi All,
Can someone tell me the bolt and thread size on the harmonic balancer. Trying to remove one of a 272.
Both my pullers don't have the right sized bolt.
Any help appreciated.
Thanks
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Try a 9/16"-24 Rono
 Ron Lane, Meridian, ID
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For pulling, 3/8" coarse thread. The threads often get filled with grime, which make it difficult to thread the bolt.
Lawrenceville, GA
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I believe the bolt size for all Y-Blocks (272-312) is 9/16-18 x 1 3/4".
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The bolt for fixing the damper to the crank and threads used for installing the damper is 9/16-18. The threads for removing the damper (the subject of this thread) and holding accessory pulleys are 3/8-16
Lawrenceville, GA
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