TJ Frey's Compound-Turbo VP44 5.9L Cummins Engine - Engine Builder Magazine

TJ Frey’s Compound-Turbo VP44 5.9L Cummins Engine

Diesel of the Week is presented by

Diesel enthusiast TJ Frey has been upgrading his personal race truck for a six years now, and finally got it out to the Ultimate Callout Challenge in 2022 to show off his work and hit the track. Check out this compound-turbo and nitrous-boosted VP44 5.9L Cummins build!

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