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Re: Possible 261 block with the mystery "M" casting mark GMCanada9430 #1286593 11/08/2018 3:40 PM
Joined: Dec 2017 Posts: 1,652 Pennsylvania D Dragsix 'Bolter
Dragsix 'Bolter D Joined: Dec 2017 Posts: 1,652 Pennsylvania	Forged yes. Although they do look sort of cast at first glance. Even as far back as 36. Look at 12:28 through 13:06 or so. Those are some real hard working men manhandling those forgings around. Mike

Entire Thread
Subject	Posted By	Posted
Possible 261 block with the mystery "M" casting mark	GMCanada9430	11/07/2018 4:50 AM
Re: Possible 261 block with the mystery "M" casting mark	sstock	11/07/2018 1:14 PM
Re: Possible 261 block with the mystery "M" casting mark	Grigg	11/07/2018 1:25 PM
Re: Possible 261 block with the mystery "M" casting mark	GMCanada9430	11/07/2018 3:37 PM
Re: Possible 261 block with the mystery "M" casting mark	Pre '68 Dave	11/07/2018 3:42 PM
Re: Possible 261 block with the mystery "M" casting mark	Hotrod Lincoln	11/07/2018 3:59 PM
Re: Possible 261 block with the mystery "M" casting mark	Pre '68 Dave	11/07/2018 11:16 PM
Re: Possible 261 block with the mystery "M" casting mark	Mike B	11/07/2018 4:08 PM
Re: Possible 261 block with the mystery "M" casting mark	Dragsix	11/07/2018 4:36 PM
Re: Possible 261 block with the mystery "M" casting mark	GMCanada9430	11/07/2018 7:13 PM
Re: Possible 261 block with the mystery "M" casting mark	Curt B.	11/07/2018 7:58 PM
Re: Possible 261 block with the mystery "M" casting mark	Hotrod Lincoln	11/07/2018 8:19 PM
Re: Possible 261 block with the mystery "M" casting mark	Curt B.	11/07/2018 10:42 PM
Re: Possible 261 block with the mystery "M" casting mark	Hotrod Lincoln	11/07/2018 10:54 PM
Re: Possible 261 block with the mystery "M" casting mark	Dragsix	11/08/2018 3:40 PM
Re: Possible 261 block with the mystery "M" casting mark	Fox	11/09/2018 4:38 AM
Re: Possible 261 block with the mystery "M" casting mark	Leo	11/11/2018 11:13 AM
Re: Possible 261 block with the mystery "M" casting mark	tclederman	11/11/2018 6:12 PM
Re: Possible 261 block with the mystery "M" casting mark	GMCanada9430	11/12/2018 4:23 AM
Re: Possible 261 block with the mystery "M" casting mark	Grant_Bowker	11/15/2018 1:46 AM
Re: Possible 261 block with the mystery "M" casting mark	GMCanada9430	11/19/2018 3:40 AM

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