Background: Previously, I posted about trying a 5+5 splitter turbine wheel with the Shuenk IS48 turbocharger, starting with a flow test of the splitter wheel and the standard version’s IS38 turbine. The goal of this design change is to see how boost onset and engine power are affected. With half the blades reduced from full-size […]
Shuenk IS48T Boost Onset Test Read More »
Background: This post compares vendor-supplied dyno data for the Golf R’s IS38 tune stages. This is similar to a prior post comparing the IS20 turbo’s stock, Stage 1, and Stage 2 tunes using vendor dyno charts. The same four tune vendors from the prior post — APR, EQT, Revo, and IE — are referenced for
IS38 Stage Comparison Read More »
Background: After collecting a comprehensive set of data on the street using the Shuenk IS48 turbcharger over roughly nine months, I headed over to a local dyno to gather some more data. Summer in central Florida is not a time of year to put down numbers that are going to earn bragging rights, and I
Shuenk IS48 Dyno Session Read More »
