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Gear/MPH/shift points calculator for 4l60 and 4l80

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Old 09-01-2008, 08:45 PM
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Can you add onto it a Tire Diameter calculator?
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Old 09-01-2008, 09:43 PM
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Originally Posted by viciousknid
Can you add onto it a Tire Diameter calculator?

Updated...
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Old 09-02-2008, 06:45 PM
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Excellent. But the 265 75 16 part should be red and then the Calculated total should be black silly.

I'ma save that one to the laptop.
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Old 09-02-2008, 06:47 PM
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Picky, picky, details, details...
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Old 10-22-2008, 05:36 PM
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I downloaded this but it wont lemme change the red fields.... says that it is in read only mode and i cant figure out how to change it, help
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Old 10-27-2008, 03:26 PM
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sweet... but i did something work i guess. on the 4L80E it goes crazy with 33.5 inch tires and 5000 rpm revelimitor.

If not then i have the fastest suburan in the world.

5000 rpms first = 1,136.4 mph
second = 1,903.9 mph
3ed = 2,820.9 mph.
OD = 3,760.6 mph
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Old 10-27-2008, 03:29 PM
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hmmm, maybe you put a number in the wrong spot...
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Old 10-27-2008, 03:50 PM
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Only change what is circled in this pic.
Name: ShiftPoints.jpg Views: 3085 Size: 67.0 KB
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Old 10-27-2008, 03:53 PM
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BTW if your tire size is 29.7 make sure you didn't put 297. cuz that'll make you fast as hell
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Old 11-26-2008, 01:06 PM
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This is awesome and I have been doing this for a long long time...great sharing this info...just wanted to let you know thanks again

james
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