your pump is not the same as a original PS pump -that is a aftermarket pump with a different shape not close to the original pump.
You do not appear to have factory 409 PS pump brackets. Your pump may not fit these correct 409 power steering pump brackets
Brackets like this Show Cars part # 5347 :
https://show-cars.com/product/1714
A small block fan shroud does not clear the PS pulley on 409 motors as I recall, you need a 409 narrower fan shroud.
I tried the switch twice on my 409s (both with Borgenson PS pumps). Removed everything and used factory Power steering with 2 -1962 409 cars with all new or rebuilt power steering parts. Also have one factory Power Steering 1962 327/300 HP hardtop.
First picture is with belts installed, factory original pump deep groove pulleys -Borgenson pump (similar to CCP pump as I recall) -the alternator mount using a factory 409 mount on the motor and exhaust manifold will place the belt in the same place as this picture.
2nd picture is with factory 409 PS pump brackets mounted on the motor
3rd picture with factory pump installed on 409 PS pump brackets with 4 core 409 radiator installed to check clearance with new PS pump mounted -Borgenson pump
Paul
View attachment 72181View attachment 72182View attachment 72183