your gear ratio in that truck if stock should be 3.73's,with the od,should put you in the low 3.00's depending on tire size.that should put your highway rpm's around 2000, rite were that six cylinder makes its most power.my 250 turned 3000 rpm's @ 70mph with 3.73's and 33" tires.its out of its power band. with the low first gear ratio in the 700r4 it should take off really well.
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