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440 mega block #1310476 09/25/12 06:26 PM 09/25/12 06:26 PM
Joined: Jul 2011 Posts: 114 napa ca P procharged 484 OP member
procharged 484 OP member P Joined: Jul 2011 Posts: 114 napa ca	How do you figure out who made it or if its a good one? By casting year? 7C20 or number? 2468330-m It's new so hope you guys can help.

Re: 440 mega block [Re: procharged 484] #1310477 09/25/12 08:25 PM 09/25/12 08:25 PM
Joined: Jan 2003 Posts: 74,978 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 74,978 U.S.S.A.	Easy enough to tell the mopar blocks look like a regular 440 for the most part , the world does not. Easiest way to tell is world block has a freeze plug on the front face of the block on either side of the waterpump mounting points

Re: 440 mega block [Re: JohnRR] #1310478 09/25/12 09:52 PM 09/25/12 09:52 PM
Joined: Jul 2011 Posts: 114 napa ca P procharged 484 OP member
procharged 484 OP member P Joined: Jul 2011 Posts: 114 napa ca	It's a mopar block not world. From what I understand several foundries tried some failed to cast the block over the years. What are the good ones??? Also this is a siamese block Last edited by procharged 484; 09/25/12 09:55 PM.

Re: 440 mega block [Re: procharged 484] #1310479 09/26/12 02:30 PM 09/26/12 02:30 PM
Joined: Jul 2011 Posts: 114 napa ca P procharged 484 OP member
procharged 484 OP member P Joined: Jul 2011 Posts: 114 napa ca	Thank you guys for all your help and wisdom

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