transmission question
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New User
Joined: Jun 2004
Posts: 14
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From: Texas
transmission question
I have 2003 F250 with the automatic. Since I installed the Bully Dog 6 Position chip, the transmission shifts ok but when it shifts into overdrive there is a big rpm drop. What could I purchase to fix that problem fairly inexspensive.
Postmaster
Joined: Nov 2003
Posts: 3,595
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From: Utah County, UT
This is normal, what it is doing is locking the T/C pretty close to the same time it shifts to fourth, it is actually better for the transmission, less slippage, extending the life of the transmission.
Postmaster
Joined: Nov 2003
Posts: 3,595
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From: Utah County, UT
So far I am very impressed with the Chip, it is one of the only ones I could use with the PCM code that I have. I was looking for towing performance, play performance and a High Ilde function to charge the trailer batteries. All is good with the new chip. I installed the transgo HD2 kit, I would highly recommend the kit. It is pretty involved to install, only down side. If you tow a lot and use 2 and 1 for down shifting, you'll want this kit. If you pretty much use as a daily driver, still recommend the kit, but the Sonnax kit from blackclouddieselperformance would do the trick. Check out ebay for 4r100 transgo, there are many options. If you don't have a kit yet, I highly recommend one for sure, you'll be very surprised at the amount of "feelable" torque you'll gain.
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