[megansmustang]

I would do the safety mods first. L6's aren't really safe. They need better brakes, the transmission cannot handle increased power so you end up doing these things anyway. Do one project at a time so that you can drive the car. That's the joy part.

Enjoy the car and thank you grandfather, often.

Read this forum thread: 66’ Straight six with a three speed

p.s. We like pictures here. Lets see your ride!