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-   -   8.1l with allision (https://www.truckforums.com/forum/chevy-silverado-gmc-sierra-forum-11/8-1l-allision-11067/)

jcfchev Aug 24, 2009 06:57 PM

8.1l with allision
 
Has anyone heard a 8.1L coming with any other transmission than an allision looking at a 2001 2500 4wd excab thanks

Mr_Shamrock Aug 24, 2009 08:00 PM

I have heard of, but not personally seen people talking about some standard transmission equipped 8.1's. All of the automatics I have seen have been allison equipped though.

jcfchev Aug 24, 2009 08:13 PM

THanks this an auto but seller does not think it has an allision

Mr_Shamrock Aug 25, 2009 06:56 AM

It should say allison on the housing...
http://www.zcastings.com/images/allison1.jpg

bad2006z71 Aug 25, 2009 09:00 AM

8.1's i believe were available in certain year 2500 suburbans, not sure which years or how long they were made, but i believe they came with the 4l80.

as far as i know, the 2500 and 3500hd trucks with the 8.1 came with the allison


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