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Cast Iron 417 Hemi?
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Indigo Lucifer
Posted 2019-09-25 12:40 AM (#587922)
Subject: Cast Iron 417 Hemi?



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Is it possible to bore out a cast iron 392 block to 417 cubic inches if the block had siamesed cylinders? My buddy is considering on billet casting such a block.
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Shep
Posted 2019-09-25 10:46 AM (#587931 - in reply to #587922)
Subject: RE: Cast Iron 417 Hemi?



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Haven't heard of that much over bore on those blocks, for sure a sonic test would be in order.
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57chizler
Posted 2019-09-25 1:34 PM (#587941 - in reply to #587922)
Subject: RE: Cast Iron 417 Hemi?



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Indigo Lucifer - 2019-09-24 9:40 PM

My buddy is considering on billet casting such a block.


Isn't "billet casting" an oxymoron?
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Powerflite
Posted 2019-09-25 10:59 PM (#587962 - in reply to #587922)
Subject: Re: Cast Iron 417 Hemi?



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It's already been done. I don't know why they haven't made it to the market yet or what the holdup is, but I have seen the block in person 3 years ago. You would think that if they went through all the expense to make the mold and build some prototypes that they would follow through with the production, but it hasn't happened yet. And yes, it is high nickel cast iron, not billet. They say the can get a 4.125 bore which would give you the 417 cubic inches. The article is from 2015.

https://www.enginelabs.com/news/theres-a-new-hemi-in-town-bear-block...
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Powerflite
Posted 2019-09-25 11:08 PM (#587964 - in reply to #587922)
Subject: Re: Cast Iron 417 Hemi?



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By the way, these guys are about 2 minutes from my work. Maybe I'll drop by there and see what's going on if anyone is willing to talk to me.
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mstrug
Posted 2019-09-26 6:49 AM (#587969 - in reply to #587922)
Subject: Re: Cast Iron 417 Hemi?



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I sent them a message about a 2x2 392 Electrojector clone intake...Marc.
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57chizler
Posted 2019-09-26 12:26 PM (#587977 - in reply to #587964)
Subject: Re: Cast Iron 417 Hemi?



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Powerflite - 2019-09-25 8:08 PM

By the way, these guys are about 2 minutes from my work. Maybe I'll drop by there and see what's going on if anyone is willing to talk to me.


Their website is only showing the Ford FE.

http://bearblockmotors.com/
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wayfarer
Posted 2019-09-28 7:43 PM (#588097 - in reply to #587922)
Subject: Re: Cast Iron 417 Hemi?



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If the goal is 417 inches it would be alot cheaper to build a stroker than cast a block......
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