Yes, the tranfercase can be swaped over, the 3.9 v6 has the same bolt pattern as the 318 v8
No. The Prelude has a B20A5 motor. The civic will have a D-series tranny. They will not interchange (B and D series parts do not interchange).
On a standard tranny there is no reservoir. On an automatic tranny it is internal to the tranny. The fluid resides in the transmission pan.
Inside tranny
NO
You pour the tranny fluid into the transmission dipstick tube. Use a long skinny funnel if you need to. and remember to always check the tranny fluid while the truck is running and has been warmed up at least 60 seconds.
under the tranny filter
For the manual transmission ( Motorcraft MERCON automatic transmission fluid ) For the automatic transmission ( Motorcraft MERCON - V - automatic transmission fluid According to the Owner Guide
and automatic transmission does not require tranny fluid, as it is a "manual" and not automatic
dirty tranny fluid
A transmission that does not use a clutch and pressure plate to disconnect from the engine.
My answer is no; because of the complexity of the tranny. Leave tranny repair to the experts.
on an automatic transmission 5-6 quarts and on manual tranny 2 1/2 - 3