it is a manual transmission
It is listed in the 1991 Pontiac Firebird Operations Manual
manual trannys dont have fill plugs, most trannys dont have fluid of any kind
The Electrical diagram for the 1979 Pontiac firebird instrument panel is found in the maintenance manual. The fuse box diagram is found in the owners manual.
If it is automatic transmission you can use any brand of tranny fluid as long as it is AF fluid. If it is a manual transmission then use dot 3 brake fluid unless you can find clutch fluid, both work the same.
I believe if both have a manual T5 transmission it will.
In 1972, Pontiac produced a limited number of Formula 350 models with manual transmissions, with estimates suggesting around 1,000 units. However, exact figures can vary, as records from that era are not always comprehensive. The Formula 350 was part of the Pontiac Firebird lineup, and the manual transmission option was less common compared to automatics. For precise numbers, consulting specific Pontiac production records or enthusiast databases may provide more detailed insights.
either the owner's manual or the factory service manual
The fuel pump in any car is tricky, using its diagram can make the repairs easier. The diagram for a 1995 Pontiac Firebird fuel pump can be found in its maintenance manual.
The GM manual transmission with the number GM8680834 on the case is the Muncie 4-speed transmission. This transmission was commonly used in various GM vehicles during the 1960s and 1970s, particularly in muscle cars like the Chevrolet Camaro and Pontiac Firebird. The Muncie is known for its durability and performance, particularly in high-power applications.
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try getting a chiltons repair manual for your car at the library.