It is a automatic. A518. Cruising will be at 60 mph here on interstate. With 26 inch tires i came on 2400 rpm(out of the head, it was a while ago) stall is about 2500.
Gear ratio an automatic i have written it in my first post. Thanks for that link! It looks a lot like my setup. I gonna read it now.
My buddie's at the shop here contacted hughes. They are gonna build the engine for me. But here is so much knowledge about small blocks! I thought lets see what you guys think...