Some info i was looking for and found:
mostly automatic

GREAT info on gm tansmission:
http://www.novak-adapt.com/knowledge...on_gateway.htm

Tci transmission dimencion:
http://tciauto.com/Products/TechInfo/trans_dims.asp

Gear ratios:
ALLISON 1000 3.10 1.81 1.41 1.00 0.71
POWERGLIDE 1.82 1.00---
POWERGLIDE 1.76 1.00---
Turbo 4L60 3.06 1.62 1.00 0.70-
Turbo 4L60E 3.06 1.62 1.00 0.70-
Turbo 4L80 2.48 1.48 1.00 0.75-
Turbo 4L80E 2.48 1.48 1.00 0.75-
Turbo 350 2.52 1.52 1.00--
Turbo 400 2.48 1.48 1.00--
Turbo 200-R4 2.74 1.57 1.00 0.67-
Turbo 700-R4 3.06 1.62 1.00 0.70

The manual ones:
BORG WARNER T10 2.23 1.76 1.30 1.00--
BORG WARNER T10 2.43 1.64 1.24 1.00--
BORG WARNER T10 2.64 1.76 1.35 1.00--
BORG WARNER T10 2.64 1.64 1.24 1.00--
BORG WARNER T10 2.88 1.76 1.35 1.00--
BORG WARNER T10 2.88 1.91 1.35 1.00--
BORG WARNER T10 3.42 2.28 1.46 1.00--
BORG WARNER T10 3.44 2.28 1.46 1.00--
BORG WARNER T5 2.95 1.94 1.34 1.00 0.63(TBI)-
BORG WARNER T5 2.75 1.94 1.34 1.00 0.74(TPI)-
BORG WARNER T56 2.66 1.78 1.30 1.00 0.74 0.50
BORG WARNER T56 2.97 1.94 1.35 1.00 0.84 0.62
BORG WARNER T56 3.36 2.07 1.35 1.00 0.84 0.62


Transmission weight:
th350: 120lbs
th400: 135lbs
700r4: 155lbs
4l60e: 155lbs


Speedometer gear:
Just read the sticky from Atilla for more info

the large ones:
200 Metric, TH250, TH350, TH400 and 700R-4
theets color part#
34 green 9774413
35 orange 9780387
36 natural 1359270
37 red 1359271
38 bleu 1359272
39 brown 1359273
40 black 1362048/25513047
41 yellow 1362195
42 green 1362049/25513049
43 purple 1362196/25513050
44 grey 9780470
45 light bleu 9775187

Checkout: http://www.chevymania.com/chevymania/tech/

this is what I got if i'm wrong just correct me.

 

lots of errors there. LOTS!

 

Hy, it would be nice from u to correct them, because that mean that the things I found on these websites are bullshit.
I dunno somuch so....

 

maybe I'll have time monday.

 

700R-4/4L60/4L60E/4L65E/4L70E is 3.059/1.625/1.000/0/696200-4R is 2.7405404/1.567567/1.000/0.673913TH400 is 2.481818/1.481818/1.004L80E/4L85E is TH400 plus 0.750:1TH350 is 2.5151515/1.51515/1.000T-10 2.43/1.61/1.23/1.00T-10 2.64/1.60/1.23/1.00T-10 2.64/1.75/1.34/1.00T-10 2.88/1.74/1.3333/1.00 T-10 2.85/2.02/1.35/1.00 late '70s CamarosT-10 2.88/1.91/1.3333/1.00T-10 3.42/2.28/1.45454/1.00 for starters