spacer plate

there is a throttle body spacer plate made by aFe for the pushrod 4.0 that claims "Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet...

i figured out my last two threads, the reason the truck was making a noise and would stall when you push the clutch. the separator plate is sliding against the flywheel constantly. i used the original 2.9 spacer/separator plate. the starter fit through it so i assumed it was fine, does anyone...