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Last year there were all kinds of rumors floating around that the 2004 D/MAX would have the 2nd overdrive hooked up. Whats happening, don't hear anymore about it?
 

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The sixth speed that the Allison is already equipped for is at the bottom of the gear range below 1st. Not much need for it in a pickup. It is used in heavier vehicles.... FL60s, C5500s and such.-- SS
 

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salmon slayer said:
The sixth speed that the Allison is already equipped for is at the bottom of the gear range below 1st.

That's interesting, because the discussion that went on about this a year or so ago on various forums seemed to come to a consensus that the Allison 1000 is capable of a 6th gear with a .61:1 ratio versus the current .71:1 ratio of our 5th gear. Was the consensus wrong, or are there 2 additional gears that could be accessed with the proper parts and re-programming?
 

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Yep, what bluenote said.


With the recent tranny activity opening up the Allison, it would seem someone could comfirm the 2nd overdrive-6th gear rumors.
 
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