4.157 Horsepower? Yeah, You Read That Correctly. Josh McCormack Is Smashing Records

from Diesel Performance Podcast · host Justin Tyson / Duramaxtuner

Chris Ehmke and Tim Mahoney are joined by someone you have heard a few times on this show, Josh McCormack! Josh fresh off his UCC win earlier this spring decided he was done with wowing the masses and put down a new record on the dyno. 4,157 HORSEPOWER. Insanity. He walks the boys through how he accomplished it and what you can expect to see out of him in the future.

Episode metadata supplied by the publisher feed · Published Sep 19, 2025

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4.157 Horsepower? Yeah, You Read That Correctly. Josh McCormack Is Smashing Records

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