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426 hemi block #789291 08/31/10 04:51 PM 08/31/10 04:51 PM
Joined: Aug 2010 Posts: 102 california M moparmanof85 OP member
moparmanof85 OP member M Joined: Aug 2010 Posts: 102 california	is an rb 440 block the same as a 426 hemi block? whats the difference

Re: 426 hemi block [Re: moparmanof85] #789292 08/31/10 07:09 PM 08/31/10 07:09 PM
Joined: Jan 2003 Posts: 42,714 Spokane Washington ScottSmith_Harms Mr Wizzard
ScottSmith_Harms Mr Wizzard Joined: Jan 2003 Posts: 42,714 Spokane Washington	Same basic dimensions (deck hieght, etc). but the Hemi has a different head bolt pattern and cross bolted mains.

Re: 426 hemi block [Re: ScottSmith_Harms] #789293 08/31/10 09:52 PM 08/31/10 09:52 PM
Joined: Nov 2003 Posts: 2,715 closer to Canadian beer! torkrules I'm neurotic
torkrules I'm neurotic Joined: Nov 2003 Posts: 2,715 closer to Canadian beer!	Quote: Same basic dimensions (deck hieght, etc). but the Hemi has a different head bolt pattern and cross bolted mains. Plus drain back holes at all 4 corners.

Re: 426 hemi block [Re: torkrules] #789294 08/31/10 10:34 PM 08/31/10 10:34 PM
Joined: Sep 2009 Posts: 1,805 ky hills thehemikid top fuel
thehemikid top fuel Joined: Sep 2009 Posts: 1,805 ky hills	...and the motor mount brackets on the Hemi are lower on the block & different. 6170212-64006-65.jpg (69 downloads)

Re: 426 hemi block [Re: thehemikid] #789295 08/31/10 10:52 PM 08/31/10 10:52 PM
Joined: Jan 2003 Posts: 42,714 Spokane Washington ScottSmith_Harms Mr Wizzard
ScottSmith_Harms Mr Wizzard Joined: Jan 2003 Posts: 42,714 Spokane Washington	In other words the punchline to what I'm sure this is leading to????? Yes you can build a Hemi starting with a 440 block, but you'll spend more than the cost of a real Hemi block in custom machine work and parts to make it work (no joking here!), and when you are all done you'll have a block that is not as strong as a Hemi, and that will ALWAYS be a 440 block.

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