[Gary Stubbs]

Tires will help you to no end. Switched from the hard as rock TA's like yours to Mickey Thompson radials. I believe the same or close compound at drag radials. Anyway, they are the 15 inch version and did not want to change wheels. Big difference all across the board with these tires. Change tires at the minimum. Short shift from 1st to second 4500rpm and then nail it. Will see a big difference.
good luck gary