Getting More From Your Dynamic 601 Valve Body

If you've been feeling some weird lag or a bit of hesitation during gear changes lately, it might be time to take a closer look at your dynamic 601 valve body setup. Most people don't really think about the valve body until the car starts acting like it's forgotten how to shift, but this little maze of hydraulic channels is basically the "brain" of your automatic transmission. When it's working right, you don't notice it. When it's acting up, it's all you can think about. ...

May 15, 2026 · 7 min · Dena Hovda