05 F350 question.
My uncle has a 05 f350 with the 5.4 gas job in it. he has been wanting to know if there is such a thing as a chip or programmer he can install to change his shift points in the tranny, it has never shifted right from brand new and wont hold a gear up the slightest hill. any input would be great!
02 F250 6 speed with 270k- SOLD
05 F350 auto with 94k, 4in MBRP with 6in tip, updated fuel pressure spring, and auto meter fuel press, boost, trans, and pyro guages, and tuning by vivian and PHP's FICM tuner currently running hercules! NO STUDS!
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14.1 @ 95 is the best so far!