318 with a 4.00 stroke crank

My buddy has the 4" crank in a 318, with out of the box Eddy's. Its in a 1968 Barracuda that his wife races. This is a street car with a tire swap, it has a full exhaust system on it & full interior.
It has ran a best of 10.99 @ 121 MPH. He does run alkhol in it.
This thing is a strong runner.