I had this same exact issue on my BB so the solution may be a little different. I put a washer between the pump bracket and water pump and it straightened it out really well. Had to do this in 2 locations, on the pivot bolt and on the adjusting bolt.

AG.

1970 Challenger w/572 Hemi street car and my pride and joy. 1986 T-Type with 272 Stage 2 Buick V6 engine - True 8 second street car. Just updated the engine and put down 928 HP @ 35# boost to the ground on chasis dyno. 1976 Cee Bee Avenger Jet Boat - 460 Ford powered.