Your clutch is not working any more, check,
75w90
There are two large flat hex plugs on the driver's side of the transmission. The upper hex bolt plug is the fill plug.
In the 1993 manual transmission Mustang the capacitie is 5.6 pts.
Mopar ATF+4
Yes, you can put a manual transmission in a 1993 Lincoln Town Car. The purpose of the engine is to provide motion to the transmission.
Mopar ATF+4
According to Haynes Repair Manual #36071, 1993-2005 Ford Ranger pickups, all models: Manual transmission fluid type is MERCON automatic transmission fluid.
Dextron mercon 3 transmission fluid.
No dipstick on the manual transmission , fluid level is checked underneath the car at the transmission fill plug
The fluid capacity of a 1993 Jeep Wrangler with a 4.0-liter engine and an automatic transmission is approximately 12 quarts when including the torque converter. It's important to check the owner's manual for specific recommendations and to verify the fluid level after a transmission service, as the total capacity can vary slightly based on the specific transmission model and any modifications.
I found a Owners Manual on Ebay for my Jeep and the cost was around $20.00 at the time
Locate the fill plug half way up the side of the transmission on the drivers side, it is usually a torx type bolt. fill through this hole until a little runs back out and it will be full.