Major Tune Up?
A major tune up imply's the following; Cap, rotor, condensor, plugs, wires, air filter, PCV valve, oil filter, oil, and those little filters attached to the air cleaner.
A torque converter is simply a clutch between the engine and transmission.
The torque converter allows an automatic transmission car to stop at light without the engine stalling. It is like a bee hive with several to 6 or 7 stages that fill with fluid. When the engine RPMs are slow very little fliud is in there that tells the tranny to NOT move, then when the RPMs from the engine are high a lot of fluid is causing the torque converter to spin THUS the tranny gears are engauged.
Now in regards to T-bird with 13" rims! The torque converter is not an issue until highway driving.
You see the gear ratio is with the small rims will only cause you to have initially MORE TORQUE, then run out at higher RPMs.
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