I have a stock 70-440 take out motor that is low miles and in excellent condition.

My thoughts are to keep the stock shortblock, except a 268XE Comp cam, a CH4B intake, 3310 holley, factory magnum manifolds, and stock Eddy heads with a true dual exhaust.

With proper tuning, can I expect 400 HP?

Anyone else use Eddy's on a relatively stock motor?

I do have a good set of headers also, but would prefer to use the manifolds.

All going in a 66 Coronet.