Am I regeared? - JeepForum.com
 
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post #1 of 10 Old 02-14-2016, 10:07 PM Thread Starter
yjmatt1999
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1989 YJ Wrangler 
 
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Am I regeared?

I have a 89 wrangler that's lifted 3 inches and 31s. People always complain about the 4 cyl being painfully slow but mine hits 95 easy and 105 down hill. It does bog slightly on big hills and 5 gear but its way faster than people say they are. So has mine possibly been regeared?

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post #2 of 10 Old 02-14-2016, 10:28 PM
cyoos
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Check what your rpm's would have been with the stock tires in the first column, then with your current tires in the second column. Bounce those rpm's against what you're actually turning at a given speed and work with the charts from there.

http://www.grimmjeeper.com/gears.html

Last edited by cyoos; 02-14-2016 at 10:31 PM. Reason: Clarified
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post #3 of 10 Old 02-14-2016, 10:33 PM
cyoos
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For the first column, your stock gear ratio was probably 4.10.
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post #4 of 10 Old 02-14-2016, 10:36 PM
cyoos
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Quote:
Originally Posted by yjmatt1999 View Post
...its way faster than people say they are. ...
It's not how fast they are. It's a Jeep, not a race car. It's how much power, rather how much torque they lack to get to speed.

"Horsepower is how fast you hit the wall. Torque is how far you drag the wall with you." - I don't remember who originally said this
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post #5 of 10 Old 02-14-2016, 10:38 PM
JeepinJeremy
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89 YJ speedo only goes to 100mp bro. Down hill? Well anybody can go fast down hill. Pull your diff cover and look at the ring gear, it wil be stamped on it 41/10= 4.10. I would love to know where your driving a YJ at 100mph. so I can avoid you.
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post #6 of 10 Old 02-15-2016, 01:10 AM
cyoos
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Quote:
Originally Posted by JeepinJeremy View Post
...I would love to know where your driving a YJ at 100mph. so I can avoid you.
Exactly! It's a Jeep, not a Porsche.

Edit: This isn't meant in a demeaning or derogatory manner either. You have to understand that our Jeeps were designed to be agile, and are therefore inherently unstable at higher speeds.

Last edited by cyoos; 02-15-2016 at 01:12 AM. Reason: Noted
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post #7 of 10 Old 02-16-2016, 12:57 PM
Marn
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Please dont speed like that, and if you still choose to do so, please dont post about it on a forum.

-Andrew

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post #8 of 10 Old 02-16-2016, 01:01 PM Thread Starter
yjmatt1999
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Quote:
Originally Posted by JeepinJeremy View Post
89 YJ speedo only goes to 100mp bro. Down hill? Well anybody can go fast down hill. Pull your diff cover and look at the ring gear, it wil be stamped on it 41/10= 4.10. I would love to know where your driving a YJ at 100mph. so I can avoid you.
It was on a private controlled road. we wanted to test my jeep against a little ford focus. It was recorded by gps due to speedometer being off.
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post #9 of 10 Old 02-16-2016, 01:06 PM Thread Starter
yjmatt1999
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Quote:
Originally Posted by Dr. Marneaus View Post
Please dont speed like that, and if you still choose to do so, please dont post about it on a forum.
Don't worry it was under a controlled private road. the owner was hosting a little race type event. If anyone was gonna get hurt it would'v been me. I am well aware of the risk.
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post #10 of 10 Old 02-16-2016, 01:07 PM Thread Starter
yjmatt1999
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Quote:
Originally Posted by cyoos View Post
Exactly! It's a Jeep, not a Porsche.

Edit: This isn't meant in a demeaning or derogatory manner either. You have to understand that our Jeeps were designed to be agile, and are therefore inherently unstable at higher speeds.
Yes i know. it was under controlled circumstances as seen by previous repilies.
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