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Old 10-05-2009, 03:54 PM
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DWRAT DWRAT is offline
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Location: Phoenix, AZ
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OK,
Thanks to Mike and Danr I have more info.
My rear end must be a 3.55 as the drive shaft rotated 3 1/2 times per 1 rotate of the rear tire.
Now using Danrs chart I see I have at least a 0.64 5th gear as my calculations were close in 5th gear at 2000 rpms (75 mph or so)

My rear tires are 255-50-16 which are a 26" tire.
In 5th gear going 75 MPH on GPS I was doing 2000 RMPs.

Things are not adding up 100% with my calculations.
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Last edited by DWRAT; 10-05-2009 at 04:08 PM..
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