If you notice that it moves in between 1/8″-1/4″, you know you need the longer pin. Not sure if you need the longer pin? You can test your clearance by pushing in on your servo cover.

It’s almost more important to get the right clearance than it is to change to the corvette servo. The included longer-than-stock servo pin does a great job of getting your band adjusted to the right clearance. With this package, you get the corvette servo outlined above and you get the longer pin all in one package. Second, you can install the standard corvette servo with the longer pin found here Our servo comes with two rigid seals and two rubber seals, as well as 3 pages of instructions for easy and detailed installation.

The corvette servo is a great upgrade for not a lot of money, and you do not need to take the transmission out to install it. Also, this servo will give your transmission 50% more apply pressure, just what you need to keep from burning your transmission up under heavy load situations. With this servo, right away you’ll notice faster and firmer 1-2 shifts and even slightly better 2-3 shifts.

If you have a 700R4, 4L60E, 4L65E, or 4L70E automatic transmission, and want to upgrade your servo, you have several different options available to you:įirst, you can install just the standard corvette servo found here FAQ: Do I need the standard corvette servo or the servo with the longer pin? And what about the 4 th gear billet servo?

Why corvette servo 700r4