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Why Turbochargers Are So Exciting, and the Basics of How They WorkAs a teen, I really wanted to figure out how to make power in my own car.  After working on naturally aspirated engines for years, I got tired of the compromise of either having something drive able or having something with a lot of power.  Then along came pickups with diesel engines and turbochargers. By this time in my life I had received a Masters in Engineering Design, and combined what I now knew to start makin …

Are They Worth It?: In the dynamic world of diesel pickup modifications, one trend has gained significant traction – the use of T4 non-wastegate turbos as an alternative to stock upgrades. With their seemingly attractive price point, often ranging from $500 to $800, compared to the typical $1500-$2000 price tag, these T4 turbos have become a tempting option for enthusiasts seeking enhanced performance. However, as with any cost-saving measure, the question arises: Are T4 non-wastegated turb …

We have received many questions about turbochargers. One being about the groove in the compressor housing (also called the MWE groove, MAP WIDTH enhancement groove), the purpose and effect of changing it.This groove also called the Surge Groove. This groove is placed in a turbo to move the surge line on the compressor map to the left and widen the map. The larger the groove the better surge characteristics, but at the sacrifice of top end air flow. In other words the larger the groove the l …