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MEGA BLOCK QUESTION #943863 03/06/11 01:33 AM 03/06/11 01:33 AM
Joined: Aug 2006 Posts: 114 Crossville,TN 526ciduster OP member
526ciduster OP member Joined: Aug 2006 Posts: 114 Crossville,TN	I have found a new mega block for sale. My question is i cant find a part # on it. The casting # on the side is 2468330-M The bore is at 4.50 cross bolted mains 1-4. Is this the siamese block ? How can i tell without a part # Thanks Outlaw 10.5 526ci, F3R procharged tfx hemi, Big Stuff 3 PTP RACING

Re: MEGA BLOCK QUESTION [Re: 526ciduster] #943864 03/06/11 12:42 PM 03/06/11 12:42 PM
Joined: Jan 2003 Posts: 75,092 A Banana Republic near you. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,092 A Banana Republic near you.	If it's 4.5 bore it's siamese bore block , can't go that big on a water block , take a wire hanger and pick a water hole near the valley and try to pass it between2 cylinders or pop out a core(freeze) plug and look in .

Re: MEGA BLOCK QUESTION [Re: JohnRR] #943865 03/06/11 03:56 PM 03/06/11 03:56 PM
Joined: Dec 2008 Posts: 1,200 UK 6 602heavy pro stock
602heavy pro stock 6 Joined: Dec 2008 Posts: 1,200 UK	Siamese mega block is cross bolted @ 2 , 3 & 4......1 & 5 are not cross bolted. Last edited by 602heavy; 03/06/11 03:57 PM.

Re: MEGA BLOCK QUESTION [Re: 602heavy] #943866 03/06/11 05:18 PM 03/06/11 05:18 PM
Joined: Apr 2005 Posts: 4,923 new berlin wisconsin M Mr T2U master
Mr T2U master M Joined: Apr 2005 Posts: 4,923 new berlin wisconsin	Quote: Siamese mega block is cross bolted @ 2 , 3 & 4......1 & 5 are not cross bolted. the mopar ones don't have cross bolt mains on #1 & #5. i think the indy blocks and possibly some other aftermarket ones have cross bolt mains on all of the of them. perception is 90% of reality

Re: MEGA BLOCK QUESTION [Re: Mr T2U] #943867 03/06/11 06:47 PM 03/06/11 06:47 PM
Joined: Aug 2006 Posts: 114 Crossville,TN 526ciduster OP member
526ciduster OP member Joined: Aug 2006 Posts: 114 Crossville,TN	#1 is cross bolted#5 is not. He said it was bought from ray barton several years ago. It has a big pentastar in front of the casting #. Outlaw 10.5 526ci, F3R procharged tfx hemi, Big Stuff 3 PTP RACING

Re: MEGA BLOCK QUESTION [Re: 526ciduster] #943868 03/06/11 09:11 PM 03/06/11 09:11 PM
Joined: Jan 2003 Posts: 75,092 A Banana Republic near you. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,092 A Banana Republic near you.	Quote: #1 is cross bolted#5 is not. He said it was bought from ray barton several years ago. It has a big pentastar in front of the casting #. Then someone did that to it if it is because the Mopar mega blocks were not .

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