Robert..Lenny tore down my conv so he could change the stall and clean it out after getting trash in it.. its fine now and he did a nice job stalls lower and works great in my street rod.. stalls at 4500.. give him a call and see what he can do for ya..yours will be different being a circle tracker but its worth a call EDIT I have run a few conv 2--Turbo Action 1-- Coan 1-- Transmission Specialties and the Ultimate thats in it now Ultimate and TA have been the best