I am in love with my car now thanks to RocketChip.

Attention TDI drivers: Get a RocketChip!

It’s really a reprogramming of your car’s fuel management EPROMs. But look at what it did for my car:

+25 HP (U.S.)

+45 lb/ft. (+61 Nm)

which for my VW Jetta TDI means roughly

125 @ 4000 RPM

222 lbs/ft (~300 Nm) at 1800 RPM


It’s become a brand-new car, far more powerful than the old one. I think it handles better and shifts better, too, although the reprogramming didn’t do anything to the handling, nor certainly did it do anything to the transmission. But my god does it like to be shifted!

Best part is, it still handles gentle as a babe if that’s how I drive it. Or if I floor it while in first gear, I’m gone like a flash! It’s now easy to reach 80 MPH in fifth gear — imagine that! Fifth gear in a diesel car is fantastic for low fuel use, but not for acceleration. Not until now anyway!


Author: Jason Haas

Jason is an elected member of the Milwaukee County Board of Supervisors, occasionally moonlights as an amateur gardener, and is a proud father of two, or three, depending on how you do the math.

3 thoughts on “I am in love with my car now thanks to RocketChip.”

  1. Love how their site says they are on vacation. Not sure I get what the difference between Immobilzer 2 and Immobilzer 3 is — are those for different car model years or something?

    Did this change mileage at all (plus or minus)?

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