Auto Trans to SM465 4 Speed Swap in '72 Blazer: Tech Help Needed

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Hello All,

I am planning to swap the Turbo 350 Automatic in my '72 K5 Blazer for a SM465 4 speed. As I'm researching the swap online, I came up with a list of questions, that I'm hoping folks can help out with

1. What SM465 should I be looking for? Will the ones from a the '73 to '88 trucks work / link up with speedometer drives / fit properly, or should I seek out one from a 68 - 72 4x4

2. Does it matter if the SM465 is from a 3/4 truck or heavier, or a 1/2 truck?

3. If the SM 465 has a PTO attachment from a farm truck can the PTO setup be eliminated, covered with a plate?

4. Do I want the heavy duty clutch pedal assembly setup with the heavy spring, or the light duty one?

5. Do I want the 10-spline output with a 2-5/8" stickout for my truck?

6. Will my current transfer case work, or do I need to swap the input shaft or swap the whole transfer case?

7. What bellhousing setup should I picked seeking out?

8. Are there any frame mounting crossmembers that I'll need to swap?

9. Which transmission cover should I be seeking out? (High Hump etc)

10. I've seen different shifter handles in different shapes, which one would be right for my year (1972 Blazer)

Thanks in advance! Also, if someone has a stash of this stuff for sale, please feel free to reach out

Cheers,

Ian