Need info on degree angle of block for trans mod.

need 3 degrees on motor n trans,..rear needs to be 5 to 7 degrees, when rear rotates up on the throttle you dont want to go to 0 degrees!! need to take intake off as different intakes have carb flange at different degrees, set lever across china walls and put degree finder on level to find true degrees!! all this needs to be done with suspension at ride height! its way to easy to over think all this! pulled my hair a time or 2 on this building dirt track cars!!