Pinion angle question

You know that and I do too, but it would be easier for him to LEARN it that way. Or so I thought. He's still not done it that way yet.....and he thinks he has. lol
That's what I said to begin with lol when the rearend was still in the car. The perches was at 6 degrees I could add that to the 6 to the 5 and weld it at 11 and be dead on.