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Your engine oil sucks | Cool Dad Stuff upgrades his Duramax | Why you need a Wideband o2 sensor | BANKS INSIDER

Your Motor Oil Sucks

Your engine oil is the hardest working fluid in your already hard working truck. We expect it to deal with high temps, huge amounts of soot and other contaminants, and last for thousands of miles all while keeping our expensive diesel engines clean and lubricated. That's why you should be buying the best and the best engine oil is synthetic. Gale went to AMSOIL's headquarters to find out how its made.

Keep Watching:

Part 2: Chemistry
Part 3: Lab Testing
Part 4: Engine Dyno

Why You Need It:

  • Proven tech: Synthetic engine oil has been around for decades
  • OEM approved: It's the factory fill oil in nearly all modern vehicles
  • Takes the heat: It offers superior wear protection and resistance to thermal breakdown
  • American-made: AMSOIL has been making the world's best synthetic oil since the 1960s

Cool Dad Stuff meets cool Banks parts

Oliver from Cool Dad Stuff loaded up his 2025 GMC Dually with some goodies from Banks. “The long-awaited” Banks Derringer for 2024–25 L5P Duramax is here and it’s plug-and-play power you can feel."

Why Banks Is Better:

  • Real-world quicker: +86 hp / +178 lb-ft to the wheels
  • Stacks with Pedal Monster & iDash: Cleaner control, on-the-fly tweaks
  • Leaves no fingerprints: Easy to remove for dealer service
  • Smart integration: Intercepts MAF/MAP/FRP & injector for precise fueling

From Spinning Wrenches to Spinning Tires

Installed the Banks Pedal Monster on a 4Runner, and the change was instant: “Oh, definitely. I can feel the difference. I switch to Track and it’s ridiculously transformed! What a difference!”

The Power of PedalMonster:

  • On-the-fly : Stock, City, Sport, Track via app
  • Snappier takeoffs: Cures the 4Runner’s lazy launch
  • Plug-and-play: OBD + pedal harness, no cutting
  • Fine-tuned control: Adjustable sensitivity in each mode

No Magic, Just Pure Engineering

“This cover isn’t just cooler—it lubricates better. It’s details you can see, and engineering that will keep your diff cool and protected up long grades.” – YZDIMICK with TrukStuf

The Banks Diff-erence:

  • Engineered lubrication: Internal directional fins push oil back to the bearings—fixing what smooth factory/aftermarket covers miss.
  • Real cooling: Internal fins align directly with external fins for a straight heat path—faster heat rejection under tow.
  • Ram-Air design: Breakaway “air grabbers” pull airflow across the fins at highway speed; designed to snap off in a hit without compromising the seal.
  • No foaming, no myths: Optimized flow path over “just add capacity”—reduces aeration and keeps lube where it matters.

Expand Your Tuning Capabilities with Wideband

“Precision tuning starts with accurate data. The iDash Data Pro with the Banks Wideband O₂ AFR Module gives you both.” — Gale Banks

Data done correctly:

  • Accurate monitoring: Measures real-time air/fuel ratio for precise tuning and peak engine performance.
  • Smart integration: Seamlessly connects to the iDash sensor ecosystem—view live data or record it with the iDash Data Pro.
  • Tuner’s edge: Log, analyze, and refines your setup using the Banks DataLog Viewer for pro-level calibration.
  • Confidence, not guesswork: A wideband O₂ turns “it feels right” into data-driven certainty.

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