Question by gordspudguy: i have installed a workhorse performance chip on my 2001 dodge diesel truck, why won,t my tach work any more?
tach stopped after the install, also check engine light on

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Question by mikey: what is the best diesel performance chip?
ya i have a 96 powerstroke with a 140 hp dp tuner chip in it right now and its not gettin the job done. i was wondering what would the best diesel performance chip for my truck?

Best answer:

Answer by The DON
Bully dog power programmer !

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BD Diesel Performance 1054525 X-Power Plus Module

• Designed to offer superior power and excellent control
• Helps to alter injector pulse duration and timing to achieve greater performance gains
• Features a Power Dial that facilitates progressive power control
• Backed by a one year warranty

BD Diesel Performance X-Power Plus Modules are designed to offer superior power and excellent control. These modules help to alter injector pulse duration and timing to achieve greater performance gains. They feature a Power Dial that facilitates pro

Price: $ 395.81

Superchips Mileage XS Programmer/Tuner Mileage XS for 2001-2007 Chevy/GM Duramax Part # 2506

• Mileage XS for 2001-2007 Chevy/GM Duramax
• Improved Fuel Economy ,Retrieve and clear check engine codes
• Adjust speedometer to compensate for non-stock tires
• Optimizes engine management for increased fuel economy
• RImproves shifting to compensate for non-stock tires

The Mileage XS programmer will improve your vehicles fuel economy through optimized engine management. Each calibration is validated for accurate results allowing you to drive with confidence. The programmers can also be easily upgraded via the Inter

Price: $ 349.99

Question by cliff: Do the aftermarket plug in chips help economy in diesel pickups?
I have a 2008 chevy with a duramax diesel. The local dealer did an update on the computer and it knocked my mileage down by about 2 miles per gallon. Do the aftermarket chips help fuel mileage like they state or just add power?

Best answer:

Answer by iwinihope
They really do help you’ll see about a 3 mpg rise and they add power so its good on two fronts

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