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putting exhaust brake on stock 2004.5 48re


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I've searched the transmission threads and couldn't find out what would be involved putting a PacBrake or similar exhaust brake on my stock 48re. My combined gross weight is 17.5k and so interstates are no problem but on secondary roads where you can have 10% and higher grades I could use more stopping power.

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Ive been looking into this for my 04. Ive looked into all BD products so im going to use their names. You would need the exhaust brake, a transmission controller (towloc), and I would get the valve body so that your holding pressure would be higher. :2cents:

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I would go with a PXRB from pac brake. I would also consider mild trans upgrades to hold the retarding power. Anyway you go you will need a controller to lock the torque converter. I personally don't like the way BD regulates pressure, looks too easy to plug and fail which would push too much back-pressure to the head.

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