Tranny problems
Hello All-
got my FU chip this week and have been a little hard on the truck...
Now its slipping in 2nd gear- So 2 questions.
1)which one os a better product-BTS-John Woods-NAPD or other tranny
2)Will i need new tunes with this type of upgrade?
Joel
99 F350 7.3psd
AFE cold air intake
4'' MBRP exhaust
FU chip
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