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Old 05-20-2013, 10:41 PM   #8
biggsteve97
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Join Date: Jan 2010
Location: Kansas City, Mo
Posts: 284
Re: gear ratio gm 14bolt upgrade

Quote:
Originally Posted by LONGHAIR View Post
A NP203 in and 87?

Yeah, go with the lower gears. 1500 rpm is too low for highway speeds.
Yeah and mounted on to the back of an nv4500 from a 93 one ton at that. Like i said custom built. I just love the looks on peoples faces when I accomplish something they tell me cant be done. The body and wiring is pretty much the only thing that is left from the 87. I dont think ill ever go to 35's and thats more of a money issue than anything. I dont really want to trim the front fenders to make sure they clear and cannot afford a lift so i think 33's are the biggest this truck will see. So i think the 4.56 gears would be a little overkill for what im doing with the truck. Need to keep it low enough for loading and unloading. As far as the front goes this guy has a loaded carrier with 4.10 gears for about $130. So it will not cost much at all to match the front.
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