T25 Manifold-to-Turbo Gasket: Types, Bolts, and What to Know Before You Touch Anything
Replacing the T25 turbo inlet gasket means picking the right material and knowing which bolts are which. Here’s what matters and what can go wrong.
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How to Check If Your Jeep Wrangler Came with Factory LED Lighting (VIN Build Sheet Guide)
Not sure if your Wrangler left the factory with LEDs? A free VIN lookup from Stellantis shows original equipment — but you need to know how to read the results.
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392 Cam in the 2015 5.7 Hemi R/T: The Complete VVT Parts List
The 6.4L 392 cam fits the Gen III 5.7L Hemi, but the 2015 R/T’s VVT system changes the parts list. Here’s exactly what the Eagle-head version needs to do it right.
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Kolak Performance and Offroad: What Jeep Owners Need to Know About Nick Ianuzzi’s Build Packages
Kolak Performance and Offroad is the Arizona-based Jeep specialist forum veterans keep recommending. Here’s what Nick Ianuzzi does, what the Kolak Lift includes, and how to reach him.
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L5P Duramax Tuning: Why the Factory Left Nothing on the Table for Fuel Economy
Why the L5P Duramax gains almost no MPG from a tune while older diesels like the 7.3 Power Stroke did, and what you can realistically expect from the Derringer and full ECM tuning.
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2000 Volvo S70 AWD Won’t Start: Crankshaft Sensor, ETM, and What to Check First
A no-start on the 2000 Volvo S70 AWD is often blamed on fuel injectors, but the crankshaft position sensor and ETM are far more common culprits. Here’s how to diagnose it.
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Dusan Strutworks RACP Reinforcement Brace Style 1: Drilling Pilot Holes from Below and Chasing Threads Properly
Installing the Strutworks RACP reinforcement brace Style 1? Here’s how to drill pilot holes from the bottom up and chase threads cleanly at every mounting point.
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Super Hubs: Front or Rear — Which End to Upgrade First?
Super hubs are scarce and most builders can only source one set at a time. Here’s how to decide whether front or rear makes the bigger difference for your build.
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Harmonic Damper Weight and the Inertia Ring: What Actually Matters for Ford Inline-Six Builds
Total damper weight isn’t the number that matters. Here’s how inertia ring mass, compliant elements, and diameter interact — and what that means for Ford 200ci serpentine builds.
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O2 Sensor Not Ready on a New Car: The GM Drive Cycle Fix for California Registration
O2 sensor showing ‘not ready’ on your new Corvette? It’s almost certainly a drive cycle issue, not a broken sensor. Here’s exactly how to fix it.