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Full Step By Step How To: 7.3L Billet Manifold Plenums

Parts Required: Riffraff Diesel Billet Manifold Plenums 1994-2003, including: (2) Billet plenums (2) Viton o-rings (1) Installation hardware packet Recommended Parts: Turbo/pedestal o-ring kit: P

Winter Preparation: Getting your Powerstroke ready for the cold

Winter is right around the corner. For us 6.0 and 7.3 owners, cold weather affects our engines more than any other modern era light duty diesel engine. The 6.0 and 7.3 are both tough as nails, but col

HPOP Hose/Line Replacement: Full Step By Step How To

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/HPOP_Hose_Replacement.pdf Parts Link: HPOP JIC Line - Driver Side Head 99-03: https://www.riffraffdiesel

The VGT Turbo: How it works; How it fails; How to prevent failures and fix the issues you already have.

When Ford released the 6.0L Powerstroke back in 2003, it was a game-changer. The engine outperformed any diesel on the market in both throttle response and peak horsepower. A big reason for this was t

High Flow Banjo Bolts for 6.0L / 6.4L Powerstroke (2003–2010)

If you’ve ever looked at the factory fuel banjo bolts on a 6.0L and thought “I should just drill these out,” you’re not alone—and it’s also how people end up snapping pot-metal bolts off in the head

Bullet Proof Diesel EGR Coolers for 2003–2007 6.0L Powerstrokes

The factory 6.0L Powerstroke EGR cooler is a common failure point, especially when the oil cooler plugs and restricts coolant flow to the EGR cooler. When that happens, owners may see coolant loss, wh

About

Riffraff is a term for the common people, or hoi polloi. The term is derived from Old French “rif et raf” meaning "one and all, every bit."

Riffraff Diesel 6637 Dry Washable Filter: BHAF Airflow Without the “Low Filtration” Tradeoff

If you’re doing the classic 7.3 Powerstroke 6637/BHAF intake mod, the filter is the whole point: big surface area, less restriction, built for work. The 6637 style has lived forever in the heavy-duty

AutoEnginuity Scan Tool Installation - Step By Step How To

The ScanTool Package Consists of: AutoEnginuitySoftware AutoEnginuityOBD‐II Interface (ST06) USB 2.0 Interface and Cable User Guide •Quick Installation Guide Enhanced Activation Instructions (Blue Pa

99-03 7.3 Powerstroke Coolant Filtration: Full Step by Step How To

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/RDP%20Coolant%20Filter%20Installation.pdf Parts Link: https://www.riffraffdiesel.com/riffraff-diesel-cool

How To: 7.3L Powerstroke HPOP Operation Testing

Oil pressure is everything for a 7.3L. One of the most common questions we get asked is related to how to test the High Pressure Oil Pump (HPOP) on a 7.3L Powerstroke. We say related to, because the h

Riffraff Diesel Billet HPOP Reservoir Body for 1996–2003 7.3 Powerstroke

The 7.3 Powerstroke HPOP reservoir feeds oil to the high-pressure oil system. When the factory cast reservoir cracks, leaks, or has damaged threads, it can create oil leaks in the valley and make diag

Subscriber Q&A - Maximizing The Performance Of Your Stock Turbo

You asked, we answered. We’ll be answering a few subscriber asked questions about their trucks, every week. Check them out, some might apply to you as well! This week however, we got asked several tur

Top 10 Turbo Mods for the 7.3 Powerstroke

“Turbo mods” on a 7.3 Powerstroke aren’t limited to the turbocharger itself. Many turbo-related symptoms—slow spool, inconsistent boost, smoke, or elevated EGT—are caused by issues in the supporting s

OBS 7.3 Powerstroke EOT Sensor Swap: Updating the Obsolete 1994–1997 Oil Temp Sensor

Some 1994.5–1997 OBS 7.3 Powerstroke trucks used an early-style EOT sensor that is now obsolete. If your truck still has that old Engine Oil Temperature sensor and it fails, the correct repair is to u

The 7.3L Timing Cover: The Good, The Bad, The Ugly, and The Billet Replacement

Arguably one of the most complex parts on a 7.3. Just about everything runs through the front timing cover or heavily relies on it doing its job correctly. The OE front cover has done its job amazingl

Cooler EGTs, More Power: A Guide to Intercooling the 1994-1997 Powerstroke

In the early days of light-duty diesel pickups, intercooling wasn’t a thing yet. GM’s 6.5L, the 7.3L found in OBS trucks, and even early 5.9L Cummins were all turbocharged, but none came with an inter

Ditch the flimsy stamped steel plenums and go with the billet upgrade! 7.3L Powerstroke Billet Intake Manifold Plenums

The factory-installed intake plenums on the 7.3L Powerstroke, quite literally, fail under pressure. Whether you've got a stock truck or one that's been hopped up, the thin stamped steel factory-instal

7.3 Powerstroke PCM Code Locations (1994–2003) + How to Decode What You’re Looking At

Ford didn’t make it easy: on a 7.3 truck you’ll see multiple “PCM codes” that mean different things (hardware vs. software vs. emissions calibration). The trick is knowing where each code lives and wh

7.3L Powerstroke Glow Plugs: Full step-by-step how-to replacement

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff%20Diesel%207.3L%20Glow%20Plug%20Replacement.pdf Product Link: Glow Plugs: https://www.riffraffdi