vette servo is 1-3 clamps down harder on the clutchs. the superior is the same but for 4th.
You go in and out of 4th more than any other gear while lugging the engine. it only makes sense to improve the clamping force on the pack more than 1-3.
You go in and out of 4th more than any other gear while lugging the engine. it only makes sense to improve the clamping force on the pack more than 1-3.