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GMC V6 and V12 Engines Engine repair and rebuilding

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  #1  
Old July 25th, 2015, 11:59 PM
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AZKen AZKen is offline
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Default 351 Crank pulley question

Does a 351 crank pulley just unbolt from balancer like a 305? No need to pull balancer off?
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  #2  
Old July 26th, 2015, 12:37 AM
lizziemeister'sV6 lizziemeister'sV6 is offline
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Default Re: 351 Crank pulley question

hello - 305 and 351 engines doesn't have a balancer up front on the crankshaft - the bolt you see just screws in the crank end and holds the pulley hub on -just unbolt and the hub should pull right off - it's on a keyway
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Old July 26th, 2015, 01:26 AM
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Default Re: 351 Crank pulley question

Agreed no balancer, just a hub I guess, But I have 6 bolts surrounding the big bolt. I have already taken off once but forget. Take off big bolt AND the 6 bolts? Does it matter if one groove or two groove pulley?

Last edited by AZKen; July 26th, 2015 at 01:39 AM.
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Old July 26th, 2015, 01:05 PM
lizziemeister'sV6 lizziemeister'sV6 is offline
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Default Re: 351 Crank pulley question

Morning - doesn't matter how many groove pulley it is - the 6 bolts are unevenly spaced so the pulley only fits the hub one way - I found it easier to remove the pulley or pulleys and then loosen/remove the big bolt that holds the hub on - should pull off easy.
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Old July 26th, 2015, 11:52 PM
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Default Re: 351 Crank pulley question

Thanks Lizzie
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  #6  
Old July 27th, 2015, 08:42 PM
bozzhogg bozzhogg is offline
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Default Re: 351 Crank pulley question

AZ KEN I know this off topic but I just wanted to let you know I got the $10.00 dollars you sent back. Thanks. Ross.Hodges with '66 GMC with '12 flat bed.
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Old July 27th, 2015, 09:54 PM
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Default Re: 351 Crank pulley question

Good, thanks Bozz
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