Im running 4.10s with my combo. It wasnt bad with the t-5 gearing, but now with the X2C TKO its WAY to much. Ill be going to 3,73s or 3.55s soon. I had to drive from North jersey to seaside beach, 60 miles approx, all highway, 60 mph, 3000rpm, 5th gear..NOT COOL!