2.23 - this with lock-up 904. Makes for 25 MPG trip mileage. No grunt off the line, however. Dick Benjamin ----- Original Message ----- From: "Mike Pittinaro" <mechimike@xxxxxxxxx> The 80's Imperials used a 2.41 > ratio (I believe, someone correct me if I'm wrong) and > had only a 318 engine. They also got ~25 mpg on the > highway. \