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Old 02-03-2010, 08:34 PM
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Replace tc or not

I pull a heavy trailer about 18K lbs regularly. I have installed the FTVB and the 6.0 cooler, and a auxillary tranny filter. Right now when I pull my tranny temps are good. About 100 degrees over outside temp. Before I bought the truck it was used to pull a toyhauler about 15K lbs. It has been used for pulling since day one. I got the truck with 50K miles on it. Should I consider installing a heavier duty tc or stay with stock as there doesn't appear to be any problems with this setup. I am planning on making a long trip in early summer and don't want to have any problems as it will be a 12-14hr drive nonstop. Also, the truck has a banks brake on it and have heard that using it is bad on a stock tranny. Is this true and should I be concerned? How does the brake affect the tranny it unlocks when it hits 1k rpms.
Thanks in advance.
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Old 02-04-2010, 06:48 PM
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I would wait till about 75,000 miles and then put a better converter and while the trans is out, add the trans go base shift kit. Reinstall with full synthetic fluid.
When you let off the accelerator, the main line pressure in the trans goes to minimum, aroud 55 lbs. With the banks brake, the transferof that brakeing goes thru the trans clutches. Does the banks brake boost the minimum line??? I don't know, if it does, then you're ok, if it doesn't, I would't use it.
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Old 02-04-2010, 06:59 PM
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What does the transgo shift kit do? Is it just a different valve body? I already installed the ftvb.
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Old 02-05-2010, 07:08 PM
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The transgo kit has a heavier spring that installs inn the pump. It can only be installed with the trans removed. It raises the fluid pressure across the board.
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Old 02-09-2010, 04:48 PM
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Quote:
Originally Posted by ipz2222 View Post
The transgo kit has a heavier spring that installs inn the pump. It can only be installed with the trans removed. It raises the fluid pressure across the board.

I also have the FTVB and my TC is really slow to engage. I am considering a change....

Q. Will increasing line pressure raise Tranny temp? Is there a balancing point of more pressure vs. more temp?
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Old 02-09-2010, 06:33 PM
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More pressure brings higher temps but not much.
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Old 02-11-2010, 12:55 PM
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Quote:
Originally Posted by minzbig22 View Post
I also have the FTVB and my TC is really slow to engage. I am considering a change....

Q. Will increasing line pressure raise Tranny temp? Is there a balancing point of more pressure vs. more temp?


I don't think the VB has anything to do with TCC engagement. Its controled by the solenoids.
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Old 02-11-2010, 01:35 PM
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best option for you is 1st take off the estra filter as it will restrict the flow and isn't needed.
using a BD brake is a great idea but get a BTS VB setup for its use.
Then make sure you have all trans tunes additional pressures removed. Talk To BTS about the importance of this.

You can upgrade to a 6.0TC as its the best for the $$ untill you get a built trans.

Syn fluids if wanted.

Cary
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Old 02-11-2010, 02:10 PM
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I wouldn't run the bypass filter either, too much restriction on a low pressure area and less flow to the cooler. I also think you might cause the bypass to open, adding to your lack of oil going through the cooler. I can't see any reason why you can't add a converter now.
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Old 02-11-2010, 02:32 PM
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Correction on what I said earlier.""When you let off the accelerator, the main line pressure in the trans goes to minimum, aroud 55 lbs. ""
UNLESS you cancel od. When od is canceled, minium pressure is boosted, so you can use an exhaust brake, but not in od unless you have a system tht boosts line pressure.
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