Honesly ryan... the 3900 swap would be the same as a 3400 swap. Wiring transmission and mounts. A swap is a swap. The only diffrence is no one has done the 3900 swap
a. you could go stright with the the 6 speed
B. Its a torque/power monster right outta the gate
C. Its a newer and more reliable motor
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Last edited by xXManwhoreXx : 04-05-2013 at 08:12 AM.
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