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I haven't heard this yet, but as I understand it, the Allison automatic is what won't fit in a Suburban. The Silverado/Sierra HD's have a 2 inch body lift to accomodate the Allison, the Suburbans do not.

The DMAX should fit just fine since it's the same engine bay in the Suburban, but I don't know about the H2.

The DMAX can't be used with the 4L80E because, as a Powertrain engineer told me, "the Duramax will shred a 4L80E".
 

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Originally posted by benroethig@May 24 2004, 04:25 PM
Nothing for '05, I've heard rumblings of GM switching the 3/4-ton Suburban and Yukon XL from the 2500 light duty chassis to the 2500HD chassis for 2006. There is also some talk of a return of the 1-ton dually.
Return of the 1ton dually? The 1-ton dually pickup never left, and the've never made a dually suburban, so I'm not sure what your refering to here.
 

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I don't see the Duramax being in all of these vehicles by the 05' model year. The Suburban would be the most likely one to get the Duramax of all the vehicles listed. Who know if it is really going to happen though... :huh:
 

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Originally posted by T-Keith+May 25 2004, 11:50 AM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (T-Keith @ May 25 2004, 11:50 AM)</td></tr><tr><td id='QUOTE'> <!--QuoteBegin-benroethig@May 24 2004, 04:25 PM
Nothing for '05, I've heard rumblings  of GM switching the 3/4-ton Suburban and Yukon XL from the 2500 light duty chassis to the 2500HD chassis for 2006.  There is also some talk of a return of the 1-ton dually.
Return of the 1ton dually? The 1-ton dually pickup never left, and the've never made a dually suburban, so I'm not sure what your refering to here. [/b][/quote]
1977 Dually

Then explain this. They are not very common, but GM made them until 1990 or so. They can be recognised by the wide rear fender flares. A 1990 dually can also be seen in the movie Twister.
 

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Originally posted by benroethig+May 25 2004, 06:25 PM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (benroethig @ May 25 2004, 06:25 PM)</td></tr><tr><td id='QUOTE'>
Originally posted by [email protected] 25 2004, 11:50 AM
<!--QuoteBegin-benroethig
@May 24 2004, 04:25 PM
Nothing for '05, I've heard rumblings  of GM switching the 3/4-ton Suburban and Yukon XL from the 2500 light duty chassis to the 2500HD chassis for 2006.  There is also some talk of a return of the 1-ton dually.

Return of the 1ton dually? The 1-ton dually pickup never left, and the've never made a dually suburban, so I'm not sure what your refering to here.
1977 Dually

Then explain this. They are not very common, but GM made them until 1990 or so. They can be recognised by the wide rear fender flares. A 1990 dually can also be seen in the movie Twister. [/b][/quote]
That's a custom job, and so was the one in Twister. GM never made a dually Suburban. You can buy the axle and the fenders bolt right on. Around where I live, there's even a mid-80's Blazer with dual rear wheels, complete with the dually fenders.
 
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