My opinion:
Tires. Use highway treads and pump them up to max cold pressure or a little more.
Slow acceleration.
55 mph or less, preferably stay at the speed overdrive gear shifts to.
Don't use the A/C.
Don't use the heater til you reach operating temperature.
If you have a programmer, set it to the one that gives the highest timing advance.
Aero mods and such will just nickle and dime you to death.
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