powervalve?
Elder User
Joined: Jan 2005
Posts: 677
Likes: 0
From: Shawnee, Ks
They are talking about the sonnax valve. You can get the sonnax and tricumulator springs at lots of places online, I got mine at blackclouddiesel.com $50 shipped. It changes the line pressure and shifting of the tranny. One of the best upgrades I have done, it makes the tranny shift like it should have from the factory. When you add the extra power with the predator the tranny will slip more, which makes more heat, the sonnax/tricum will cut back the slippage. I have some info on my site along with some install stuff, link is in my sig
