3.9L Archives

DEPARTMENTS

Masters of Mechanical Injection Since ’76

KEEPING DIESELS DIALED IN SINCE 1976 If you’ve ever had a 12-valve Cummins, you’ve wanted your P7100 to make more power. If you’ve gotten past […]

DW STAFF
June 19, 2025
5 minutes read

Bullet Proof Diesel Oil Cooler 6.0L Power Stroke

Over the last decade or so, Arizona’s Bullet Proof Diesel has become famous with making the unfortunately infamous 6.0L Power Stroke reliable again. The 6.0L […]

DW STAFF
February 13, 2016
14 minutes read

Diesel Engines

Where Old Cummins Diesels Go to Live Again

The Cummins Historical Restoration Center Those who appreciate diesel history are always happy to see the cornerstones of diesel manufacturing maintaining corporate investments in it. […]

Jim Allen
July 05, 2019
14 minutes read

Diesel News

Volvo Readies $780M for Emissions Control Issue

The Volvo Group, the parent company of both Volvo Trucks North America as well as Mack Trucks, will be setting aside $780 million to address […]

DW STAFF
January 13, 2019
2 minutes read

Tag: 3.9L

Eight-Wheeled Wonder

Mesquite Motor Mania Classic Car Show

Eastbound Getdown 2026

Lone Star Throwdown

Masters of Mechanical Injection Since ’76

Bullet Proof Diesel Oil Cooler 6.0L Power Stroke

Where Old Cummins Diesels Go to Live Again

Volvo Readies $780M for Emissions Control Issue