Re: 4.8 no power!
kinda stuggling with the same thing. it loooks like my nbs 07 is running 3;41s but I have a lift and 35s. Trying to decide wether to go with the 4:10s or the 3:73s.
By using a gear calculator it say back to stock drive ratio I would need to goto a 3;73.
hell its a four gear...auto...should be fine at 80 with 4:10s.
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