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post #1 of 11 Old March 19th, 2012, 10:37 PM Thread Starter
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Question 4r70w

ok i have a question about my tranny do they have a manual shift body? how does it work? is it worth it? any help would be appreciated

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post #2 of 11 Old March 19th, 2012, 10:56 PM
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Yes they do have a manual shift valve body, they work pretty much like a stick without the clutch. there are pros and cons from using one, but I think is all in the eye of the beholder. The good thing about going this route is if you decided you dont like it, then back to your other valve body and your back to fully auto. I am currently having my 4R70W built, and I decided to keep my shifting up to the tuner and the computer. if i want to bang gears I go get into the old 5.0.


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post #3 of 11 Old March 19th, 2012, 10:59 PM
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TRANS-GO SHIFT KIT HD2
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post #4 of 11 Old March 19th, 2012, 11:01 PM
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EDIT: DARN you beat me to it..

If I understand correctly, with the Trans-Go HD2 for the 4r70w, you get manual shifting capabilities of a manual valvebody but with the luxury of an auto. Everything is the same, but when you choose to change gears, it follows your command. It also allows you to downshift. Make sure you get a transmission cooler though, because with the increased performance there will be more heat build up.


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post #5 of 11 Old March 19th, 2012, 11:03 PM
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I have a Dirty Dog Converter and built 4r70w and will never go back to a 5-speed. Well that is as long as my car is turbo...
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post #6 of 11 Old March 19th, 2012, 11:04 PM
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^ I repped ya. Totally slipped my mind: trans cooler is a MUST.
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post #7 of 11 Old March 19th, 2012, 11:23 PM
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Not trying to thread jack, but when you say you can shift it, how does that work since it still has a computer, I'm looking into that hd2 kit for my next mod after I get my gears and rear end swapped
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post #8 of 11 Old March 19th, 2012, 11:35 PM
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Quote:
Originally Posted by cobra241 View Post
Not trying to thread jack, but when you say you can shift it, how does that work since it still has a computer, I'm looking into that hd2 kit for my next mod after I get my gears and rear end swapped
When you manually shift gears in our stock transmission for instance, you're only setting a limit to which gears the computer has access to. For example, when you put the car in 1st and drive off, the computer won't be allowed to shift into 2nd until you move the shifter into 2, and so when you do, 2nd gear becomes available to the computer and it will shift when it's necessary, you aren't commanding the transmission to upshift.

Say you do a WOT pull from 1st, moving the shifter up each time when you reach desired rpms in each gear, putting the shifter in 2 allows the computer to make the upshift, and moving it into drive for 3rd gear gives the transmission access to 3rd and o/d.

With the shift kit, moving the shifter in 1, 2, and drive makes the transmission shift into those gears the instant you do so. Putting in drive gives back the computer control. If you get an aftermarket shifter you can stay in the 3rd without giving control back to the computer. Make sense?


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post #9 of 11 Old March 19th, 2012, 11:56 PM
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fairbanks shift kit is the way to go!
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post #10 of 11 Old March 20th, 2012, 03:29 PM
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Yes that does thanks for clearing that up
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post #11 of 11 Old March 20th, 2012, 08:37 PM Thread Starter
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true because when drop to first go wot shift to 2nd it takes a while then it shift lol ok so when your cruising you shift it manualy?

new beast
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