Anyone have some information they can share on the correct crankshaft pulley for a 1970 340 engine? Some details about my 340 is the following:

1. Stock forged crankshaft
2. Stock damper (with uneven bolt pattern to secure crankshaft pulley)
3. Aluminum water pump
4. No power steering
5. No A/C

It appears the crankshaft pulleys that I have procured are for a 69 setup with a cast iron water pump. Therefore, when the crankshaft pulley is installed, there is a small misalignment with the aluminum water pump pulley.

If you have a dimension of the height/offset of the crankshaft pulley, it would be greatly appreciated.