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GMC V6 and V12 Engines Engine repair and rebuilding

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  #1  
Old May 22nd, 2018, 02:01 AM
Michael S. Wilson Michael S. Wilson is offline
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Default Cam for 401M

I need a cam for a 401M. Would a cam from the other v6's would work or would the profiles not be correct?
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  #2  
Old May 22nd, 2018, 02:56 AM
bigblockv6 bigblockv6 is offline
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Default Re: Cam for 401M

A cam from any Magnum V6 be correct that would include the 351E, 351M, 432 and 478M V6 engines, or a custom ground cam which I can give you the specs for. There are a few members on this site using the custom grind that I have
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Old May 23rd, 2018, 02:50 AM
Michael S. Wilson Michael S. Wilson is offline
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Default Re: Cam for 401M

I'm interested in the custom design cam. Where can I get more info on it?
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Old May 23rd, 2018, 03:02 AM
bigblockv6 bigblockv6 is offline
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Default Re: Cam for 401M

I can send you the specs, you will still need a cam as a core.
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Old May 29th, 2018, 12:40 AM
Michael S. Wilson Michael S. Wilson is offline
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Default Re: Cam for 401M

Unfortunately my cam has rust damage in the worm gear area so I don't think it would be a good core. Would a core from a 305A work? I would like to see the profile on the custom cam you mentioned.
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Old May 29th, 2018, 06:40 AM
bigblockv6 bigblockv6 is offline
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Default Re: Cam for 401M

The 305A cam should be fine fore a core, I am also including the cam specs
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  #7  
Old May 31st, 2018, 11:59 PM
Michael S. Wilson Michael S. Wilson is offline
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Default Re: Cam for 401M

Thanks. I contacted them and they can help me.
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Old June 1st, 2018, 12:17 AM
bigblockv6 bigblockv6 is offline
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Default Re: Cam for 401M

You mean that phone number is still good?
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Old June 1st, 2018, 04:49 PM
Michael S. Wilson Michael S. Wilson is offline
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Default Re: Cam for 401M

No. I looked them up on the web and Paul's Empire Head Shop is in Santa Rosa and I talked to Paul.
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  #10  
Old June 1st, 2018, 11:41 PM
bigblockv6 bigblockv6 is offline
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Default Re: Cam for 401M

Real interesting! Paul is the one that did all the machine work on my 478M and sent the cam out to have it reground. What did Paul have to say to you?

Last edited by bigblockv6; June 2nd, 2018 at 12:20 AM.
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