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==== Factory Transmissions ====
Front Wheel Drive:\\
[[transmissions:4t65e|4T65e / 4T65e-HD (4 speed automatic)]]\\

Rear Wheel Drive:\\
[[transmissions:4l60e|4L60e (4 speed automatic)]]\\
[[transmissions:tremec_t5|Tremec T5 (5 speed manual)]]\\

The 3800 utilizes the GM 60 degree bellhousing. This is also known as the "metric" bellhousing.
{{ :60_degree_bellhousing.jpg?nolink&400|}}
This is used commonly among most front wheel drive engines from GM starting in the late 80's. Most if not all front wheel drive v6's use this bellhousing. As long as the transmission has this bellhousing it will bolt up to a 3800, but you may need to make sure you have the correct torque converter and pilot hole size to make it work.

The 3800 was only available with one single manual transmission option from the factory. This would be the Tremec T5 found in Camaro's and Firebirds.\\
Due to having a 60 degree bellhousing as well as only one manual option, RWD transmission options are a bit limited unless you're willing to put in some more effort or money to make something better work.

Most RWD transmissions from GM use the old Chevy V8 bell housing, but an adapter plate can be used to make nearly any of these work with the 3800.

More information about other bellhousings can be found at this wikipedia page:\\
[[https://en.wikipedia.org/wiki/List_of_GM_bellhousing_patterns]]

==== Known Other Transmissions ====

=== Front Wheel Drive ===

4T80e (4 speed automatic)\\
Getrag 282/284 (5 speed manual)\\
Getrag F23 (5 speed manual)\\
Getrag F40 (6 speed manual)\\
Muncie 4 speed (Fiero)  (4 speed manual)\\
\\
\\
=== Rear Wheel Drive ===

Tremec T56 (6 speed manual)\\
THM250/THM350/THM400  (3 speed automatic)\\

==== Other Potential Transmissions ====

These are transmissions that are not as well documented or have not been attempted yet but look promising\\
=== Rear Wheel Drive ===

CD009 transmission (6 speed manual)\\
Aisin a340e (4 speed automatic)