So I'm going to attempt doing to Corvette servo mod. It's been sitting on my bench for about a month. I know it makes 1-2 gear shifts harder and better. Is there anything that can make 2-4 better as well? Or is that a no no I thought I saw something that makes all gear changes better including over drive.

I drive a 2007 Sierra Classic 4.8L

 

I did the upgrade but I put bigger shell and wider band. All servos went to vette. 1 2 shift hits like a train (a good train) 2 3 you can kinda feel, 3 4 you can feel when she's feeling good (my truck is moody)

 

Put a shift kit in as well, had to drill my valve body

 

With vette servo and torque management in place you will only really feel it for the first few shifts.... Until the taps take over and adjust for it... You really need a tune and a shift kit....

 

So when you put in a "Corvette Servo" it changes how all the gears feel basically but 1-2 you can feel the most? What "shell" are you talking about like a sun shell?

 

A shift kit I'll have to research that up I thought those were for manual cars

 

Yes the sunshell and no the kit comes with springs and drill bits. It's only to be done if you know exactly what you're doing with no doubts

 

Or take it to someone for them to do it

 

I have a custom tune currently by Eliis at Speed Secrets in Monroe, WA. When I got it tuned I asked if it would matter if I had a corvette servo for the tune because at that the time I was thinking about putting one in and he said it wouldn't matter. Should I get it retuned still after the servo and a shift kit? I might wait until I get my gears than as well

I had the truck tuned due to a 216/218 LSA 112 Cam I put in with supporting mods

 

When I bought the truck the transmisson was rebuilt he had a list of parts used. On it it just said "Beast Sun Shell" I know those are a weak point and the guy said he bought the best parts even said Carbon Fiber parts were used. I don't know if he was just blowing smoke up my ***. You can tell he took really good care of everything else. The total at the end of the bill for the transmission was a little over $3,000 which I was told is a good amount. It was rebuilt at 90k currently has 120k