Background: After swapping the turbine housing on the Mabotech M600 from 0.58 to 0.71 A/R, I conducted a boost onset test to see how the change affected boost onset. Test Procedure: The GTI is operated in third gear with the engine speed varying between 1,800 and 3,800 RPM, and the accelerator pedal is fully depressed
Mabotech M600 0.71 A/R Boost Onset Test Read More »
Background: After driving with the BFI Stage 1 mounts for a while, I decided to switch back to the 034 Motorsport density line mounts. Since I have been evaluating exhaust system changes to the CC Design exhaust, I recorded sound level and frequency data with each brand of mount to account for any changes the
BFI to 034 Mount Swap Read More »
1. Introduction: On September 14th, I published a post regarding R-Tech’s claims that the IHI IS38 turbocharger “likes” exhaust back pressure and low back pressure exhausts were linked to “huge” failure rates amongst IS38 turbochargers. Prior to making the post, I emailed R-Tech to clarify what was meant, but I didn’t get an answer, so
Analyzing R-Tech’s Response – Part 1 Read More »
