How easy would it be to swap a 4L60e for a 4L80e

[andy quaas]

I don't know much about the 2 tannys, but i would like to hear about
mastertune!

Andy

---Doug Bazarnic <doug at ddelectronics.com> wrote:
>
> I just broke the input hub / shaft assembly for the second time on
my '95
> Chevy 1/2 ton truck.  It keeps blowing out the aluminum lugs that
retain
> the snap ring for 3rd gear.   I do have extra ponies under the hood,
but I
> don't see how the extra power would be causing this problem.  (It's
355
> cubic inches, B&M blower, Air Flow Research Heads, large roller cam,
Cola
> Crank, Ross Racing Pistons, Eagle Rods, etc etc)  The truck only
runs in
> the low 14's, but this tranny breakage is nuts.  
> 
> The truck has a total of 42,000 miles on it and I've broken an Art
Carr 10"
> Torque Converter, and the aluminum input hub/shaft twice now.  The
aluminum
> hub is a cast piece of sh*t, and it's teeth that hold the snap ring in
> place leave.  This last hub (which was brand new from GM and about 6
months
> old) lasted less than 8,000 miles.   Either I'm putting too much
thru this
> tranny,  or it's a real piece of crap.
> 
> Ohh, and by the way, I drive it like it was a Corvette on a road
course!
> It weighs in at 3944 lbs.
> 
> So the $100 question is: How easy would it be to swap the 4l60e vs the
> 4l80e.  Can the stock computer talk to a 4l80e without any probs?  
I've
> got the mastertune software that lets me change what ever I want, so
shift
> points / line pressure wouldn't be a problem, if the stock computer
can do
> it.   Also, are the wiring harness connectors the same?
> 
> Thanks,
> 
> Doug Bazarnic
> 
> P.s.  If anyone is interested in my calibrations / chip sw, lemme
know, as
> I'd be happy to share.
> 
> 
> 
> 
> 

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