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Old 08-15-2001, 12:51 AM   #1 (permalink)
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My friend has a '85 cj7 with a 258 and a t-5. I was wondering if that Jeep could have came with 1.6? or 1.7? gears. <IMG SRC="smilies/confused.gif" border="0"> The highest gear I have read about is 2.73. We spun the pinion about 1 5/8 turns to one turn of the tire. Thanks for the help. <IMG SRC="smilies/biggrin.gif" border="0">
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Old 08-15-2001, 10:30 AM   #2 (permalink)
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uuuuhhhh.... no.

a vehicle can't run with gearing that tall.

either crack the case and count the teeth (ring/pinion=ratio) or do the little tire thingy again.

does your friend have a locker or posi traction? i dunno how that might affect readings...
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Old 08-15-2001, 12:00 PM   #3 (permalink)
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even though this is a seriously <IMG SRC="smilies/rainbow.gif" border="0"> subject <IMG SRC="smilies/rolleyes.gif" border="0"> if your differential isn't locked, and you are only spinning ONE tire, you must multiply your result by two.

crack it open and count <IMG SRC="smilies/thefinger.gif" border="0">
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Old 08-15-2001, 12:39 PM   #4 (permalink)
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Big 4x4 Jeep Toy Bender, sorry about the <IMG SRC="smilies/rainbow.gif" border="0"> post but it didn't seem right to me so I thought I'd ask. We checked it about ten times cause it didn't look right. Thanks for the help. I am trying to get the friend to swap out the stock stuff and go with 35's but he says 33's are big enough for now. I'll convince him when I get the jeep done and we go wheeling. I'm in the middle of a ground up on an '83 cj-7. It's getting 44's with detroits front and rear with 4.56's, SOA with 2.5" superlift springs, 350, sm465, TJ flares, Full roll cage, 35" Boggers. I Hope it will be done by spring. Thanks again for the help <IMG SRC="smilies/smile.gif" border="0">

[ 08-15-2001: Message edited by: cj7mb ]
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Old 08-16-2001, 12:52 AM   #5 (permalink)
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compare your axle code to this chart: http://www.off-road.com/jeep/tech/axle/amc20.html
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