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finding the right diff. gears

 
fishwire fishwire
New User | Posts: 1 | Joined: 07/11
Posted: 07/25/11
11:32 AM

i got a 85 chevy with a 5.3 vortec and 4l60e trans. 6in lift and 35in tires. im looking into getting new diff. gears but im not sure what ratio to get.it has stock 3.42s right now. it is my summer daily driver but its also my play toy. im trying to decide on 4.10s or 4.56s. let me know what u think, thanks  

 
mechanical1dr mechanical1dr
New User | Posts: 39 | Joined: 02/11
Posted: 07/27/11
06:14 PM

http://www.4wheelparts.com/aux_incl/gear_ratio.html

Here is a chart that I used to figure my ratio. 3.42 with any over size tire is too tall. Hope this helps