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 Calculators 
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Joined: Tue Jan 29, 2008 2:29 pm
Posts: 1808
Location: Clarksburg, WV
Post Calculators
Tire Size Calc. -(RockCrawler.com)

Crawl Ratio - (4lo.com)

Tire Size Change Calc. - (4lo.com)

Poor Mans Dyno - (4lo.com)

Convert Liters to Cubic Inch - (4lo.com)

20 degree RTI calc. - (4lo.com)

If you need to convert an RTI score to see what your score would be on another degree ramp you can use this exquation.   divide sin(degree° of original ramp) by sin(degree° of desired ramp) to get your converted RTI score.  

Here is the equation for calculating your RTI score:

(distance up ramp)
-------------------------- X 1000     =     RTI score
(wheelbase of vehicle)






Jason

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Last edited by JMM on Tue Mar 25, 2008 3:04 pm, edited 2 times in total.
added new calculators!


Tue Mar 25, 2008 2:54 pm
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Joined: Tue Jan 29, 2008 12:50 am
Posts: 1311
Location: WV
Post Re: Calculators
4 Link Calculator

4-Link



Gear Ratio and Crawl Ratio (a lot more options than the one you posted)

Gear and Crawl Ratio


Tue Mar 25, 2008 3:50 pm
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Joined: Fri Aug 15, 2008 7:01 pm
Posts: 346
Location: Glenville, wv
Post Re: Calculators
http://manoian.net/jeep/gear_ratio_calculator.html

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1975 CJ5


Wed Dec 10, 2008 9:51 pm
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Planning for 4 1/2"

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Joined: Tue May 27, 2008 5:18 pm
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Location: Columbus, Oh
Vehicle: 97 XJ
Post Re: Calculators
For tire size calculators, I like miata.net's one.  It gives you a graphical indication of the size difference and how much it will throw the speedo off.

http://www.miata.net/garage/tirecalc.html

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1997 XJ Lightly Modified
1998 TJ Full on Mall Crawler


Fri Feb 06, 2009 10:47 pm
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Location: South Charleston
Vehicle: 2006 Chevy Silverado
Post Re: Calculators
Speedometer Gear Calculator and How To

http://www.go.jeep-xj.info/HowtoSpeedoGears.htm

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Tom Upton


Sun Feb 08, 2009 12:19 pm
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Some days it just doesn't pay to chew through the straps.

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Location: Texas
Vehicle: 01 TJ
Post Tube Coping calculator
tube coping calculator....  sweet !

found this gizmo, it will come in handy for building a cage  

you can print out the result and make life easy

In case it's not entirely obvious, the point of this thing is to create a cutting pattern for a tube or a pipe to accurately fit it at an angle to another tube or pipe so that you can weld  it. This is a whole lot easier than eyeballing the cut and scribing it by hand, and if you do it right, both the grinding and welding are pretty easy. This process is also frequently called "tube notching" or "pipe notching"


http://www.metalgeek.com/static/cope.pcgi

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Sat Feb 21, 2009 6:13 pm
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