I am having a problem with my Duster I cannot find for the life of me. 1970 Duster, 410 on toilet injected alcohol, 727 with 4800 stall spragless converter, 8.75 with 4.30s, Caltracs at 3/4 to 1 turn preload and shocks between 7-9 depending on the track. What’s happening is as soon as I let go...