- Joined
- May 22, 2011
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I would not do 3:31.... I would do 3:55 ... Unless you don't plan on going to the track. It's gonna hurt the 330 more than it helps the 660-1320. Jmo. As for fuel mileage I gained 1.5+ going from 3:73 to 3:55 with 33" tires and track times didn't change a bit.