APR Stage II tune for pulley upgraded S-Tronic B8 S4 3.0 TFSI supercharged V6 versus competitors tune dynograph - Over 400 whp
Published on 02-06-2013 11:02 PM
Interesting dynograph posted by APR here showing their Stage II software on a 3.0 TFSI B8 S4 versus a competitors Stage I software. The competitor is not named but APR was asked to retune the car and got just under 20 more horsepower at all four wheels out of it to bring it to just over 400 at the wheels on a dynojet in DIN correction. The graph gets choppy at the end where the S-Tronic transmission decided to upshift.
So what accounts for the gain? APR states the unnamed competitor is not able to tune for the upgraded pulley whereas with their Stage II software they are. It's a bit unfair to not name the competitor so that they may have a chance at a rebuttal so this is a bit one-sided. Regardless, great gains by APR and awesome power out of the S4 on pump gas with their software.
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