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Milodon VII Hemi aluminum block...okay for the street? #606388
02/06/10 07:58 PM
02/06/10 07:58 PM
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2fast4yourBrain Offline OP
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THere's one like this:

http://speed.racingjunk.com/category/127...inum-Block.html

near me for sale. New as well, drilled for water passages/motor mounts.

Never seen the built-in girdle/main cap mounting system before.

Would this be a good engine to run on the street? Anything to look out for?

Everything is std. Std bore/sleeves, cam height, lifter bores, deck height, etc.

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Re: Milodon VII Hemi aluminum block...okay for the street? #606390
02/06/10 08:09 PM
02/06/10 08:09 PM
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Quote:

I'd be hesitant to trust it for the street, because it may weep water. Why are you hooked on that one? You can buy a modern aluminum block for less.




Not interested in the one posted.

The one near me, he's asking half of that, but I think I can dicker down even more.

Re: Milodon VII Hemi aluminum block...okay for the street? [Re: 2fast4yourBrain] #606391
02/06/10 09:22 PM
02/06/10 09:22 PM
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Norwich CT USA
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Those haven't been made for probably 25years. I want one just to have. I have only seen one in person. They have wet sleeves and require a 0psi radiator cap.

Re: Milodon VII Hemi aluminum block...okay for the street? [Re: 2fast4yourBrain] #606392
02/06/10 10:21 PM
02/06/10 10:21 PM
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Bend,OR USA
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Quote:

Quote:

I'd be hesitant to trust it for the street, because it may weep water. Why are you hooked on that one? You can buy a modern aluminum block for less.




Not interested in the one posted.

The one near me, he's asking half of that, but I think I can dicker down even more.


That add is a lie Donovan made the first race Hemi aluminum blocks(392 style Hemi motors ), not Milidon . Mildon made the first 426 race hemi aluminum blocks, as already siad they where both wet sleeve blocks, not good for street use If you want to buy a aluminum 426 hemi block for street use buy a Kieth Black street Hemi block, they are dry sleeve blocks designed and intended for street use BTW, you might want to check out the new World hemi aluminum blocks also to see if there intended for street use


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Milodon VII Hemi aluminum block...okay for the street? #606394
02/06/10 11:22 PM
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Quote:

no one here noticed that it is a three piece block




what am i missing Fred i only see two?

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02/06/10 11:28 PM
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Re: Milodon VII Hemi aluminum block...okay for the street? #606396
02/06/10 11:29 PM
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yea i figured that had something to do with it...but then wouldn't that make it a four piece block

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Re: Milodon VII Hemi aluminum block...okay for the street? #606398
02/07/10 12:34 AM
02/07/10 12:34 AM
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What exactly is the problem with wet sleeves and the street? I've personally put millions of miles on them with no trouble, albeit not in a Hemi.

Kevin

Re: Milodon VII Hemi aluminum block...okay for the street? [Re: Twostick] #606399
02/07/10 01:43 AM
02/07/10 01:43 AM
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Here's the block thinking of getting.






Last edited by ragtopdodge; 02/07/10 01:47 AM.
Re: Milodon VII Hemi aluminum block...okay for the street? [Re: Twostick] #606400
02/07/10 03:04 AM
02/07/10 03:04 AM
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Quote:

What exactly is the problem with wet sleeves and the street? I've personally put millions of miles on them with no trouble, albeit not in a Hemi.

Kevin


All of the aftermarket aluminum race hemi blocks with wet sleeves that I have heard of have a history of leaking coolant past the O rings on the bottom of the sleeves. Not a big deal when you change oil and the top rod bearings after every run It seems that the aluminum blocks expand a lot more than the steel or iron sleeves do, especailly at the end of the run


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Milodon VII Hemi aluminum block...okay for the street? #606402
02/07/10 01:57 PM
02/07/10 01:57 PM
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Franklin, TN
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I never could get mine to seal in my dragboat, met Nick Arias at PRI back in the 90's, he had just bought up all of the molds, castings, sleeves, etc, from Milodon, got all new o-rings and sleeves from him, still wouldn't hold water, changed over from blown gas to blown alky just so I could get some use out of the block. A lot of plus's for the block at the time, love the oiling system, oils through the girdle, pressures the mains on the bottom at 5 and 7 o'clock instead of
from the cam down. The girdle/main installation is pretty straight forward, 4-studs per main with about 20 3/8ths perimeter studs, just not user friendly if you have to get to the main bearings on a regular basis. Given the availability of new blocks now, the $6000 block is way, way over priced, only someone doing a ground up restoration on a nostalgia funny or dragster is going to want to pay that much. If your buddy will sell his for 1000-1500 and it hasn't been exploded and repaired it could be run in a dry-block drag, injected or mild blown alky combo, don't think you could ever get it to seal water for the street though. BTW if you do get it, I've got 9 sleeves and most head and main studs if you need any extras. Thats all I could salvage from mine.......

5788929-Milo-mess.jpg (1972 downloads)

Ronny
6.789 @ 198.63 **.956 Brand New 60'***
4.17@ 169 1/8th mile
John 14:6

https://www.youtube.com/watch?v=TUku_hjYRh8
Re: Milodon VII Hemi aluminum block...okay for the street? [Re: 23T Hemmee] #606403
02/07/10 05:28 PM
02/07/10 05:28 PM
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Norwich CT USA
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so that is why the Arias block has a slight similarity about it

5789465-Arias426Hemi.jpg (2416 downloads)
Re: Milodon VII Hemi aluminum block...okay for the street? [Re: Defbob] #606404
02/07/10 05:31 PM
02/07/10 05:31 PM
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early Milodon

Re: Milodon VII Hemi aluminum block...okay for the street? [Re: Defbob] #606405
02/07/10 06:21 PM
02/07/10 06:21 PM
Joined: Jan 2010
Posts: 588
Franklin, TN
23T Hemmee Offline
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Quote:

so that is why the Arias block has a slight similarity about it




Nick went into partnership with Walt Austin on the AA-500. This block was based on the Mopar 4.80" bore spacing and was inteneded for fuel and alky classes, never understood exactly what happened and why it never had the success, seemed like a bulletproof piece. The earlier Arias 8.3 litre and 10 litre engines were based on Chebby bottom end pieces, and were a totally different animal. I just wanted to clarify that, might be confusing to some that aren't familiar with them.


Ronny
6.789 @ 198.63 **.956 Brand New 60'***
4.17@ 169 1/8th mile
John 14:6

https://www.youtube.com/watch?v=TUku_hjYRh8
Post deleted by Defbob [Re: 23T Hemmee] #606406
02/07/10 07:45 PM
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Re: Milodon VII Hemi aluminum block...okay for the street? #606407
02/07/10 11:06 PM
02/07/10 11:06 PM
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Franklin, TN
23T Hemmee Offline
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Hey Fred,

Forgot that you might not recognize this screen name, joined M'chat back in '01, when I was still running my old altered with the 512 ironhead wedge motor. Just never got around to changing the screenname there when I went back to the Hemi. Don't know why it took me so long to join over here, been lurking for years.


Ronny
6.789 @ 198.63 **.956 Brand New 60'***
4.17@ 169 1/8th mile
John 14:6

https://www.youtube.com/watch?v=TUku_hjYRh8
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