In the latest episode of Banks Building a Monster Truck Engine series, Gale takes the supercharged 7.1L Duramax to 666 horsepower. Is that the max power this powerplant will make without turbos? He also unveils Banks’ new Charge Air Rating System (CARS), the ultimate way to measure an intercooler’s true performance. That intercooler that you just bought, did it live up to its claims? Did you spend your money wisely? Using CARS, the iDash will tell you.
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