440HP Archives

Cummins
Diesel Tech / How-To

When One CP3 Is Not Enough

There comes a time in every modified common rail diesel’s life when the stock high-pressure pump can’t keep up with the fuel pressure needed from […]

Jim Allen
September 25, 2023
10 minutes read

Diesel Tech / How-To

Nitto Tire: The Two Newest Grappler Tires

When a tire manufacturer introduces a new tire, it’s a milestone event. The engineering, testing and development to produce a truly new and unique tire […]

Trent Riddle
April 08, 2016
9 minutes read

EVENTS

TENNESSEE 2 STEP: The 3rd Annual Rocky Top Diesel Shootout

Sled pulls and drag racing are two disciplines of diesel motorsport that are completely different, but both feature gobs of power and finely tuned diesel […]

Chris Tobin
April 10, 2018
7 minutes read

Dodge
FEATURES

First-Gen Cummins Burnout Machine

Greg Alberalla’s First-Gen Burnout Truck While shopping around for an ideal project truck platform, Greg Alberalla made sure to be mindful of what he didn’t […]

JOHN MATA JR
September 15, 2025
6 minutes read

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2025 VW Harvest

When One CP3 Is Not Enough

Nitto Tire: The Two Newest Grappler Tires

TENNESSEE 2 STEP: The 3rd Annual Rocky Top Diesel Shootout

First-Gen Cummins Burnout Machine