440HP Archives

Diesel Engines
Vintage Diesels

A Rare 12 Pack

1972 Allis Chalmers DES-550 Generator Sometimes the best ideas come to a company and bear fruit at the worst possible times. Such was the case […]

Jim Allen
May 23, 2022
9 minutes read

Diesel Tech / How-To

Changing Injector O-Rings on “Jan,” the 7.3L Power Stroke Diesel

7.3 Power Stroke Injector O-Ring Replacement Guide The 7.3L Power Stroke diesel is known for its reliability, but like any engine, it has a few […]

DW STAFF
February 23, 2026
3 minutes read

Diesel Tech / How-To
GM

2020 6.6L Duramax: Bolt-On Upgrades

Emissions Friendly Bolt-On Upgrades for the 2020 Duramax When GM released the all-new 2020 Silverado and Sierra HD 6.6L Duramax, there was a lot of […]

Jacob White
February 05, 2021
8 minutes read

Diesel Trucks
GM

STREAMLINED STUNNER

CUSTOM’S AUTO WHITE DUALLY WORKHORSE One of the differences between show cars and show trucks is that, when it’s time to pull double duty and […]

Diesel World Staff
December 15, 2018
6 minutes read

Tag: 440HP

Project OBSessed

Park & Recreation

Park & Recreation

Goodguys 1st BASF Legends Of Hot Rodding

A Rare 12 Pack

Changing Injector O-Rings on “Jan,” the 7.3L Power Stroke Diesel

2020 6.6L Duramax: Bolt-On Upgrades

STREAMLINED STUNNER