Hi Denny
Thanks for your answer, but there are somthing that I dont understand, I have bought a book How to build & modify GM Pro-touring Street machines. In this book there are pictures and explanation these word are from this book
Engine and transmission tilted 3 degrees down, pinion angel is equal to transmission angel 3 degrees down. Notice the pinion and transmission angel are both down.
Please explain because now I am confused!
Thanks, Peter