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RPM calculations

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Old 05-31-2012, 06:29 AM   #1
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Default RPM calculations

can you guys help me with rpm calculations on rearend ? i tried the f body.org website again this morning and got this in all rpm fields "NaN" am i doing something wrong? told ja i'm a tech dummy. i'm wanting final drive M6/3:73 rpm combo's and M6/ 3:54 rpm combo's any other sites a sticky on this site? thanks in advance... the oldman........
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Old 05-31-2012, 12:35 PM   #2
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Did you input all the appropriate information?
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Old 05-31-2012, 12:36 PM   #3
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If you have an iphone there is a great app for this stuff.
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Old 05-31-2012, 03:19 PM   #4
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Quote:
Originally Posted by ShifterLou View Post
If you have an iphone there is a great app for this stuff.
http://4lo.com/

Select on the left side.

Al 95 Z28
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Old 05-31-2012, 06:15 PM   #5
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big al , i looked and the section of gear ratio's and it says install 5 out of 6 to get the answer you are looking for what do i install in the transfer case ratio? i told you guys i'm a tech dummy and i don't have an iphone sorry when it comes to the information super highway i'm still on a dirt road.. the oldman....
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Old 05-31-2012, 07:03 PM   #6
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This will get you in the ballpark.

http://www.f-body.org/gears/
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Old 05-31-2012, 07:39 PM   #7
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On the f-body.org gear calculator when entering the gear ratios use a . instead of a :
It should work then. ex. 3.73

Old is just a point of view!
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Old 06-01-2012, 09:11 PM   #8
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thanks folks, guppytech, that was it on the f-body gear calc's use . instead of: thank you!!! very much!! the oldman....
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