Bully Dog 6 Position 4-Bank Chip #41613

See New Part# BT41103
1999 (early) Ford 7.3L Powerstroke F-250/350 Auto Trans.
XDP Part Number:
Product Options
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The 6 Position 4 Bank Chip (Part #: 41613) is designed to increase horsepower and torque on early 99 7.3L Ford Power Strokes with automatic transmissions. The six positions included are:
High Idle
+50 hp
+75 hp
+100 hp

Utilizing state-of-the-art programs, Bully Dog’s 6 Position 4 Bank Chips run the lowest exhaust gas temperatures in the industry, typically running 50 to 100 degrees cooler than competitor products.

For installation, simply plug the chip into the Engine Control Unit (ECU). The 6 Position 4 Bank Chip is adjustable on-the-fly.

-Tow Settings
Recommended never to tow in 100 HP setting
Towing Weights for 75 HP setting: anything lower than 7500 lbs.
Towing Weights for 50 HP setting: anything over 7500 lbs.

-Increase Performance
These performance modules are designed to increase horsepower while keeping EGTs under control.

-Tranny Smart
For quicker, firmer shifts, the 4 Bank chips will enhance the Transmission line pressures on all trucks with automatic transmissions. This is ideal for all towing situations and enhancing transmission life.

-New 6 Position 4 Bank Chip
The new 6 position 4 Bank Chip gives additional options such as: high idle with increased RPM for cold weather starts. Valet setting which returns the truck to stock and adds a 70 mph speed governer (99-03 7.3L only).

-Adjustable on the Fly
All 4 Bank Chips are adjustable on the fly when accompanied with a switch. Save time with the ease of operation by adjusting on the fly.

-Removes Speed Limiter

  • Will solve lack of power situations
  • Will help with sluggish shifts
  • With good driving habits, increases in MPG
  • Improved Drivability

Additional Information

Install Sheet
Mfg. Number:

Customer Reviews - Include your order number for a chance to win a $100 GiftCard

(21 Ratings, 3 Reviews) Average Rating:
Best addition to the truck
jameslogan (california) 1/4/2012 8:14 PM
As with all buyers I did a lot of studying before making a decision on what chip to buy for the truck. I chose this Bullydog for my early 99 at 170,000 and it made everything so much better. Running stronger than it ever has with 240,000 miles now.
polosdog (Unknown) 1/25/2007 12:09 AM
the bulldog chip added major power to my truck ...it shifts nice and has excellent responce time especially off the get go.
6 Position 4 Bank Chip
Anonymous (Unknown) 5/20/2008 10:40 PM
I have had my chip for over a year and it has paid for it's self many times over in fuel costs. 28 MPG on the highway in a F-350 duely....unheard of!!!!! Great response and towing power is unreal