Re: Re: OT Duramax/Allison

Posted by matthew on July 18, 2004 at 12:10:08 from (66.79.34.249):

In Reply to: Re: OT Duramax/Allison posted by Ray on July 18, 2004 at 09:53:33:

Ray, do you have the 4sp chevy or 5sp Allison tranny (I think you can get the Duramax either way - can't remember for sure). Anyway, I have the 5 speed. Inside my shift lever has D,3,2,1. It also has the haul/tow button on the of the shifter. Pressing this button helps by changing when it shifts but does not lock out 5th(OD). When the going gets tough and you pull the shifter down to "3", it in effect locks it out of 4th and 5th(OD) as it gears down to 3rd which really turns up the engine.
I understand on the newest turcks with Allison you can push the tow/haul button twice or something like that (have not operated one personally)and lock out 5th only.
I have always wanted to have ability to lock out 5th, but now that I understand the new trucks can I got it on my mind again.
thoughts appreciated

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