6l80e
Hmm, I've been trying to find some information about this transmission for quite some time. If I'm not mistaken though it is going in the Base C6's that are automatic though, not the Z06.
The main issue I would think would be finding an aftermarket company like tci to make a tranny control computer for it. It won't work with the old data bus system from what ken at ls1 edit sayes. It sounds like a great tranny. I don't know why you would use a 6l80e on a base vette. It will probably get a 6l60e tranny. Maybe the zo6 will get a 6l80e if they decide to offer it with an auto.
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From another thread:
Originally Posted by Ragtop 99
gears are:
First:
4.02
Second:
2.36
Third:
1.53
Fourth:
1.15
Fifth:
0.85
Sixth:
0.67
Reverse:
-3.06
For a vette/ GTO That would work nicely on the street with 2.73 gears, but it is a long drop from 1st to 2nd. Personnally, I rather see something more like this:
3.36
2.45
1.62
1.15
.85
.60
Put a 3.42 rear end and combine with the current 6.0l engine and even with a small tq converter that would be fast on the street and cross the quarter mile pretty high in the rpm band. And you would have nice low highway revs.
First:
4.02
Second:
2.36
Third:
1.53
Fourth:
1.15
Fifth:
0.85
Sixth:
0.67
Reverse:
-3.06
For a vette/ GTO That would work nicely on the street with 2.73 gears, but it is a long drop from 1st to 2nd. Personnally, I rather see something more like this:
3.36
2.45
1.62
1.15
.85
.60
Put a 3.42 rear end and combine with the current 6.0l engine and even with a small tq converter that would be fast on the street and cross the quarter mile pretty high in the rpm band. And you would have nice low highway revs.
BOSS APPROVED!
Originally Posted by CrabhartLS1
:hmm: only 0.67 in 6th? the 4l60e is 0.70 in OD. what's the point?
Unfortunately, I think it is a 2.56 rear in the new vette, so it would be like having 3.36 rear with our current 4L60e in terms of first gear pull.
I did some searching around myself on this after seeing the article in one of the mags. It will be going in the 2006 Cadillac XLR-V and like mentioned I believe it will end up in the C6.
I skimmed the Hot Rod article too. It is almost the same size case as a 4L60E and only a hair longer. There will be 4 transmissions in the family all varying only
.050 inch overall length, if I remember correctly what i read. Pretty much it would be able to bolt in, all that would be needed is a tranny controller from a company like TCI to control it i believe.
.050 inch overall length, if I remember correctly what i read. Pretty much it would be able to bolt in, all that would be needed is a tranny controller from a company like TCI to control it i believe.