As you can tell from the responses there seems to be a pretty wide range of what will work. Mine have been on so long I don't remember what the pinion angle was set at.

If you want to know for sure what might be best for your car give Calvert a call, their customer service is top notch.

Cool to see you are building a F/SA car! Keep us posted on your progress and let us know when you get it on the track.