Ok I "think" i have an 05 4wd 80e, looks to be in good condition anyway heres the problem. The adapter that connects the t-case to the trans has the wrong bolt pattern. The adapter that is off the autotrac has a bolt pattern larger then the bolt pattern on the casing of the 80e. I havent heard of anyone having this problem so only thing I can figure is Im missing something. Here are the pics and measurements of my bolt pattern.



Here are some identifying markings on teh 80e maybe its not what the junkyard told me it was? I know its a 4wd 80e but thats all I can tell just by looking at it.



Im quickly getting tired of this truck again. And to top it off when I went out in the garage this evening there was a mystery puddle around teh driverside rear tire and I looked and the damn banjo fitting for the caliper is leaking fluid, the ************ hasnt held pressure in over a year how could it just start leaking.

 

hmmm, that sucks. are you sure it is a 4l80?

 

Yes Im positive all the shift kit stuff worked for it and the conversion gear for the t-case matched the teeth on the output shaft. Is everyone using the adapter off their autotrac to bolt to the 80e or are you using an adapter from one of the HD truck t-cases?

 

DAMN, that sucks. I had a friend put my **** together, I broke 2 of the aluminum adpaters, tiny cracks over time. I have steel now, but I don't recall him having fitment issues with the aluminum ones. Jesus that sucks. Maybe the '05 is just different. WTF

 

Yeah, that has a pretty high suck factor to it.

 

The extension housing for a 60 and 80 I believe are different.

 

DOH, I didn't even read into the fact he didn't change the apapter. That is a fact Vince. The 80 requires a different adpater.

 

cody do you have a 80e adapter and is the t case off of and 80 r 60

 

I dont ahve an 80e adapter. The one I posted pics and measurements of is the one that came of my 60e/autotrac setup. Im working on getting one off an 80e, does it matter whether it is off the manual case or the electric HD t-cases? Randy the t-case is the autotrac 1/2 ton t-case so its off my 60e.


Answer your phone Randy

 

And Dewey, you took enough damn pics of your old 60e but none of the damn 80e, I went so far in my searching last night that I raided your photobucket account, Dustys is set to personal so I couldnt snoop through his.

I didnt know you had brembos on the "sleepy silverado"