News & Updates
7.3L Powerstroke Torque Ratings
Jan 22nd 2026
Bolt torque for the 7.3 Powerstroke shouldn’t be a mystery. So we collected everything from Ford’s service manuals and other reputable sources, and listed them all below. Here’s your
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7.3 Power Stroke 6637 Filter Mod (BHAF): More Airflow, More Filter Area, Simple Install
Jan 20th 2026
The 6637 filter modification (often called the BHAF – Big Honkin’ Air Filter) is the classic 7.3 Power Stroke intake upgrade: replace the restrictive stock airbox with a large, heavy-duty
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Step By Step How To: 7.3 Injector Installation and O-ring Replacement
Jan 16th 2026
Recommended Parts:
Injector O-ring Kit: Part# AP000: https://www.riffraffdiesel.com/alliant-injector-o-rings/
CCV O-ring Kit: Part# GZ-8-004: https://www.riffraffdiesel.com/ccv-vent-cover-orings/
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Injector Sizing 101: 7.3 Powerstroke Edition
Posted by Adam Blattenberg on Jan 15th 2026
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
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Step By Step How To - Billet Turbocharger Compressor Wheel Installation - 7.3 Powerstroke
Jan 15th 2026
Parts Required:
Riffraff Diesel Billet Compressor Wheel - Ported Housing: Part# RDP-703697-0001
Garrett Compressor Housing O-ring: Part# GZ-14-010
Turbo Pedestal O-ring Kit: Part# GZ-9-003
Rec
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