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 Post subject: rearend
PostPosted: May 10th, 2010, 11:12 pm 
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Joined: May 10th, 2010, 10:03 pm
Posts: 2
Location: California
Rig Type: Chevy
Sierra club member ?: no
First Name: chris
hello every one .. how do i tell what rear end gears i am running.. i have a 95 chevy z71 with a 350 and a 4L60 trans on 36"super swampers.. i mostly tow my toys and some 4 wheeling.. what gears should i be running.. thanks for the help.


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 Post subject: Re: rearend
PostPosted: May 10th, 2010, 11:37 pm 
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Joined: December 17th, 2008, 10:05 pm
Posts: 448
Location: Apple Valley
Rig Type: Jeep
Sierra club member ?: hell no
First Name: Matt
chevyman909 wrote:
hello every one .. how do i tell what rear end gears i am running.. i have a 95 chevy z71 with a 350 and a 4L60 trans on 36"super swampers.. i mostly tow my toys and some 4 wheeling.. what gears should i be running.. thanks for the help
Chris,.. on a jeep there is a small metal tab attached to the differential cover that will tell you what gears you have. I would bet you have either have 3.73s or 4.11s
The other way to tell is take the differential cover off and on the ring gear will be two sets of numbers. One large and one small. Divide the number small by large and the answer is the gear ratio........Be sure and keep us posted....MATT


Image "BUILD IT, WHEEL IT, BREAK IT, FIX IT,...REPEAT"


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 Post subject: Re: rearend
PostPosted: May 11th, 2010, 7:33 am 
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Joined: December 17th, 2008, 10:05 pm
Posts: 448
Location: Apple Valley
Rig Type: Jeep
Sierra club member ?: hell no
First Name: Matt
chevyman909 wrote:
hello every one .. how do i tell what rearend gears i am runing.. i have a 95 chevy z71 with a 350 and a 4L60 trans on 36"super swampers.. i mostly tow my toys and some 4 whiling.. what gears shoud i be runing.. thanks for the help
As for gears,.. if you tow a lot with tires that size I would go to 4.88s but that would depend on what size tires you had stock and what gears you have stock too.


Image "BUILD IT, WHEEL IT, BREAK IT, FIX IT,...REPEAT"


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 Post subject: Re: rearend
PostPosted: May 11th, 2010, 9:53 pm 
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Joined: April 8th, 2009, 9:05 pm
Posts: 329
Location: Apple Valley
Rig Type: Jeep
Sierra club member ?: hell no
First Name: Dennis
chevyman909 wrote:
hello every one .. how do i tell what rearend gears i am runing.. i have a 95 chevy z71 with a 350 and a 4L60 trans on 36"super swampers.. i mostly tow my toys and some 4 whiling.. what gears shoud i be runing.. thanks for the help

If you don't have a tag try this,jack up the Rr. axle,tape a piece of string to the bottom of the drive shaft,mark a spot on the passenger side tire.Put trans in N and turn the tire around 1 time,then count how many wraps the string did on the DS.3 and 1/2 wraps=3.50 to 1,just past 4 wraps=4.10 to 1.With a highway rig I would go with 4.56 gears.
Dennis


Feed it some Green and watch it grow!
Semper Fi


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 Post subject: Re: rearend
PostPosted: May 26th, 2010, 10:14 pm 
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Joined: May 10th, 2010, 10:03 pm
Posts: 2
Location: California
Rig Type: Chevy
Sierra club member ?: no
First Name: chris
thanks for the help.... i put the string on and turnd the tire 1 turn and the string rap 2.25 times is that low ? thanks chris


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