to anyone who daily drives with a mfactory 4.9 final drive kit
I love my 4.9FD, been in there for about 3 years no problems.
But lol, seriously OP you didnt even say what trans you have. Go to their website and look at the graph they have.
But lol, seriously OP you didnt even say what trans you have. Go to their website and look at the graph they have.
holy **** lol totally spaced my mind. well I have a b16 with ctr lsd I my 4.9 is for a gsr diff so I would have to either put a itr or gsr diff in my trand what are the rpm's in 5th gear at 65 mph on a b16 tranny and a gsr tranny
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