4.30 s installed WOW
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Elder User
Joined: Feb 2003
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From: missoula montana
4.30 s installed WOW
what a difference they made. very happy i did this. i now have my original power back. i can put truck in od from 45 and up and it will pull almost all hills without shifting down just like it used to. best 2000 i ever spent. before gears i couldnt pull 50mph flats in od it would shift down. 
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From: New Hampshire
Originally Posted by mtgrzlyman
what a difference they made. very happy i did this. i now have my original power back. i can put truck in od from 45 and up and it will pull almost all hills without shifting down just like it used to. best 2000 i ever spent. before gears i couldnt pull 50mph flats in od it would shift down.
Nut
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Joined: Feb 2003
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From: missoula montana
Kwik it looked like around 2100-2200 at 70mph. i was trying to adjust the speedo this morning setting it to my gps but i will get more accurate info. for set my computer for the 430 gears and 37 tires. and im fine tuning the speedo with my superlift tru-speed.
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Joined: Jul 2005
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From: Berthoud, CO
hmm, my dually with stock rears is running 2100-2200 rpm at 63 mph. Id be interested in seeing what yours is running at with the speedo calibrated for the tires, with that big of rear ends in it.
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Elder User
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From: missoula montana
according to my gps i have the speedo within about 1/2 mph. its pretty close right now. with my 373 gears i was about 1700-1750 at 70mph. sure feels alot better now
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From: Cabot, Arkansas
Originally Posted by mtgrzlyman
what a difference they made. very happy i did this. i now have my original power back. i can put truck in od from 45 and up and it will pull almost all hills without shifting down just like it used to. best 2000 i ever spent. before gears i couldnt pull 50mph flats in od it would shift down.
