[hugger6933]

I would look into the Edelbrock in the 500 cfm range instead of the 600. Keep the cam small the smaller the motor the smaller it needs meaning a cam that works well in a 350 may be way to big in a 307 so theres that factor to deal with. I too would look into getting some Vortec heads off of a 305 maybe so the smaller chamber can work for you. A cam in the 250-256 duration[ advertised] probably would be really great. 2.5 inch exhaust is too large I'm afraid drop back to 2.25 and everything will be happier. The 700 will be a great choice with a 3:42 rear gear is hard to beat it is my favorite all around gear for the best of everything you could need. Jim