TR6060 and TB suspension? Any info on the starter interference?

Here is another solution to run a TR6060 in an A-Body:

https://www.holley.com/products/drivetrain/bellhousings/mopar/parts/LK7400K
This gives the option to run a DS starter and avoids the issues with the idler arm.

They also have a new bellhousing to mate a G3 to a 4L80E/85E