silverado servo installed

[jason4.8]

hey guys its been like 2 months that i installed a corvette servo on my truck and i really dont see much of a difference only when i floor it i feel firmness in my shifts do i ned a tune? or what can i do so i can get firmness all the time and make my tires chirp its only done it like 3 times

[grizzly700fi]

You could buy the sonnax 2nd gear servo it shifts firmer than the corvette servo but its $123. Thats half way to a tune, so if it were me i would get a tune.