Q: M-20 Transmission

asked by on

I have a muncie 4 speed with a partial vin # can you tell me what it was originally put in (chev, olds, pontiac)? The date code is P8S21 (1968 car), case # is 3945660, two rings on input shaft, This tells me it is a 1968 M20. It has a partial vin # of 28U160593 stamped on main case. Can you tell me what it was originally put in?
My car has a manual transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. M-20 Transmission

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Q: Air not flowing out of front vents.

If the blower motor is not turning, the cause is identified during a failed heater diagnostic. Blower motors failures are due to faults in the wiring, fuse, relay, control switch, resistor block, if so equipped, and of course the blower...

Q: Q: Transmission not shifting into gear.

From the sound of your description, I would say your assumption of the problem with your Chevrolet Cavalier is correct! This sounds like you are indeed experiencing a broken shifter cable. Broken shifter cables fail due to years of use....

Q: Car has been sitting

Hello. If you have leaks, it is best to determine what fluids are leaking. Engine coolant usually has a green or orange color, depending on the type of coolant used. It is usually sweet-smelling, if it is relatively clean. Engine...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...