1985 GMC Archives

Diesel Tech / How-To

Head Porting: DIY or Not?

The horsepower game is all about getting as much air into the cylinder as possible, adding the appropriate amount of fuel and lighting it off. […]

Jim Allen
January 20, 2017
14 minutes read

DEPARTMENTS
Diesel Engines

Diesel Performance Upgrades

01. S300 Replacement Turbo for the 2007.5-2018 6.7L Cummins If you were forced to replace a major component on your truck due to premature failure, […]

TUCKER HARRIS
December 07, 2023
3 minutes read

Cover Story
Dodge

Life After Work: Brian Durf’s Incredible Truck Transformation

Picking Up Speed After Retirement As every working day passes, most of us daydream about what it would finally be like to reach that oh-so-blissful […]

JOHN MATA JR
October 29, 2024
8 minutes read

S&S Diesel Motorsport CP4 To DCR Pump Conversion

Chevy
Diesel Engines

The Ultimate 6.7L Power Stroke CP4.2 Pump Fix

The Ultimate 6.7L Power Stroke CP4.2 Pump Fix While the S&S Diesel Motorsport team was in Louisville for the National Farm Machinery Show, the company […]

Mike McGlothlin
February 20, 2023
1 minute read

Tag: 1985 GMC

Square Body Cummins

26TH ANNUAL CAMARO NATIONALS

Clark County Fair Pull

St. John’s 6th Annual Auto Show

Head Porting: DIY or Not?

Diesel Performance Upgrades

Life After Work: Brian Durf’s Incredible Truck Transformation

The Ultimate 6.7L Power Stroke CP4.2 Pump Fix