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Injector Sizing 101: 7.3 Powerstroke Edition

Injectors are not all built the same, especially for the 7.3. Sizing varies year by year, and for a few, based on the location sold, too. Split shots, single shots, hybrids, AB, AD, 238/80, there's so

The Deadhead System - What it is and how to fix it - 6.0L and 7.3L Powerstrokes

For 7.3’s and 6.0’s alike, the fuel system could benefit from an upgrade. One that removes the deadhead issue that plagues each engine. The fix will increase injector life, increase throttle response

How It Works: HEUI Systems

The 7.3L and 6.0L Power Stroke engines are somewhat unique in that they use oil pressure to run their fuel injection systems. The system was created with a joint venture between Caterpillar and Intern

Common Hard Start Issues: 6.0L Powerstroke

Outside the completely fixable issues we all know about that have given it a bad reputation (oil cooler failures, EGR issues, turbo failures, head gasket issues) the 6.0L Powerstroke is known for its

Upgraded HPOP Lines: 1999-2003 7.3 JIC Hose Step By Step Installation

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff%20Diesel%20HPOP%20JIC%20Hoses%2099-03.pdf Product Links: HPOP JIC Line - Passenger Side Head 9

PHP Hydra Chip for 7.3 Powerstroke: What It Does, How to Install It, and When Custom Tunes Matter

The PHP Hydra Chip is one of the most popular tuning upgrades for the 1994.5–2003 Ford 7.3L Powerstroke because it fixes one of the biggest complaints these trucks have from the factory: lazy drivabil

Why Powerstroke Owners Upgrade to Head Studs

ARP head studs are one of the most common reliability upgrades for Ford Powerstroke diesel engines because they increase cylinder head clamping force. More clamping force helps keep the head gasket se

"Bulletproofing" The 6.0L Powerstroke

The 6.0 Powerstroke has a notoriously bad reputation. It is, believe it or not, a really great engine. Or at least it can be. While it was an engine that Ford picked up to fill the void before the new

7.3 Powerstroke HPOP Line Installation: Step By Step How To

Often missunderstood and done incorrectly, 7.3L HPOP line replacement is a simple job just about anyone can pull off in an hour or two. So let's get rid of the fear of the unknown that stops most of u

What's the right type of sealant to use? Stop asking the question... just read this.

Room Temperature Vulcanizing sealant (aka RTV), or any other type of sealant usage is somewhat of a mystery for most of us. It's ok, you don't need to admit it, but we've all been guilty of rolling th

PHP Hydra Chip for 7.3 Power Stroke (1994–2003)

At Riffraff, we stock the PHP Hydra Chip because it fixes the two biggest problems with old-school 7.3 tuning: not knowing what tune you’re on and being stuck with whatever tune was installed years ag

Top Ten 6.0L Powerstroke Diesel Products

The 6.0L Powerstroke platform is known for its performance potential, but also for a set of well-documented reliability concerns that the aftermarket has worked hard to solve. Across thousands of cust

Performance Gauge Wiring and Installation: Full Step By Step How To

IMPORTANT: Before starting installation, please be sure that all items which were supplied with the kit are accounted for. Note: These instructions are to be used in conjunction with the instructions

Electrical Sensor 101 – The 6.0 Powerstroke’s Sensors and How They Work

A big part of diagnosing issues with any engine is knowing how each system works. Electrical can freak people out because you can’t see it doing its thing. That’s usually the whole problem. So let’s m

7.3 Injector O-Rings vs. Injector Cups: How to Tell Which One Failed

A 7.3L Powerstroke can make a simple leak look like a much bigger problem. Fuel in the coolant? Oil in the fuel bowl? White smoke? Hard start? Miss? Coolant puking? Random rough running after injector

7.3L Powerstroke HPOP Failure: Symptoms, Diag and their Fixes.

The 7.3’s High Pressure Oil Pump is very reliable (fitting leaks aside…), but it can still fail or simply wear out over time. Diagnosing a failed HPOP can be fairly straightforward. Here’s some sympto

Full Step by Step how To: Billet Intake Manifold Plenums 1994-2003 7.3L Powerstroke

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff_Diesel_Billet_Plenum_Instructions.pdf Product Link: https://www.riffraffdiesel.com/riffraff-dies

Stripped HPOP mounting bolts on your 7.3? We have the solution right here:

Stripped out HPOP mounting bolts on your 7.3 Powerstroke? Don't worry, it's extremely common and no, you don't need to hunt for a new-to-you front cover (although our billet front cover is pretty neat

Top 10 7.3 Powerstroke Scan Tool Readings Every Owner Should Know

A good scan tool can save you a pile of money if you know what numbers actually matter. Codes are useful, but live data is where the 7.3 starts telling on itself. Hard start, no-start, low power, smok

7.3 Powerstroke Stainless Injector Cups: Why Billet Stainless Beats Brass (1994–2003)

Injector cups (aka injector sleeves) are the thin barrier that keeps high-pressure fuel and engine coolant from turning into one nasty mix. When that barrier fails, the usual concernt is fuel in the c