[Bobby Zlatkin]

You're right Mark. I see NHRA still has the '68 250 rated at 155 HP.
My '73 is only rated at 145 and I assumed that would be accross the board.
In that case, yes the 230 would be a much better choice.
IHRA has only a 5 HP difference between the two motors.
And Billy's right about he'd like to see it with a 4 speed.
When I changed my '69 Nova from an automatic to a stick, it picked up .5ths & a little over 2 MPH. And that was going to a 3 speed manual. The Camaro is allowed a 4 speed.