[jbruening]

How much transmission oil does one need to add in a stock 85' gt t5 transmission?

 

[foxmustang302]

2.8 quarts

 

[SPeace-ATL]

How much transmission oil does one need to add in a stock 85' gt t5 transmission?

You said oil, but I presume you know that a Mustang T-5 doesn't use oil, but it uses ATF.

Some places say 2.75 and others say 2.8 quarts. It should fill to the fill plug with the car level.