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  1. #1
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    Before and after EPL (European Performance Labs) tuned B8 S4 3.0 TFSI supercharged V6 S-Tronic/DSG 1/4 mile results

    It is nice to see before and after 1/4 mile results for a tuned car rather than just a dynograph. The dragstrip works much like a dyno does showing the increase in horsepower as evident by a higher trap speed which should also have a positive effect on the elapsed time. AMS took this B8 S4 3.0 TFSI V6 to the drag strip and ran a 13.03 @ 106.56 on the stock OEM tune. They then had EPL (European Performance Labs) tune the car and ran it again on the same day on the same strip.

    Click here to enlarge

    The result? 12.45 @ 110.25. An increase of roughly 4 miles per hour (highest trap of the day was 111.01) and a half second in the 1/4 mile. That supports the claimed 50 wheel horsepower increase practically right on the dot. That is a very solid improvement from just a tune. Keep in mind, it is a lot harder to get a darg strip to lie than a dyno.

    Video below.


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    Need to see more tuners step up to the plate with this kind of comparison!

  3. #3
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    Click here to enlarge Originally Posted by Stevenh Click here to enlarge
    Need to see more tuners step up to the plate with this kind of comparison!
    Agreed it would be nice to see 1/4 mile times along with dyno charts. Often the logistics of doing so are difficult though. For a tuner in SoCal you have to drive pretty far to find a strip. Not always feasible.

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