WITH THE OVERDRIVE IN MY 92 LINCOLN TOWNCAR TRANMISSON GONE WILL IT EFFECT MY DAILY DRIVING AND WHAT WOULD BE THE TOP SPEED I CAN GO IN THE CAR?

Is the car warmed up or cold when this happens? Are you driving or sitting in park? Low speed or highway speed?

We need more info to help out. My best guess at this point and it's a longshot guess is throttle position sensor being faulty.

Here is the drawing. Let me know if it works.

do tansmission service change oil and filter

I'm willing to bet it has something to do with your radiator fan. If i recall correctly this is clutch driven to control speed and if that clutch is going bad when the car warms up and it calls for the fan to engage then you are experiencing the vibration.

Bad fuel pump.
If so,have to remove the fuel tank,to replace pump

replace the ingiton switch

over drive is off

According to Haynes Auto Repair Manual, section on automatic transmissions, the 1994 Towncar has the AODE transmission
Baumann Electronic Controls website
URL: http://www.becontrols.com/tech/ch1alphabet.htm
has following:
The Automatic Overdrive (AOD) transmission was introduced in 1980 as Ford's first four-speed automatic overdrive transmission.
The AOD-E transmission is essentially a beefed-up electronically-controlled version of the AOD.
If this doesn't answer your question, you might troll around the website.

u need a new blend door motor. this is a job 4 the machanic cause the whole dash must be pulled back

wiper motor gone 375 dollars for repair happened in my 92 licoln towncar cartier