Migrating an EcuTek Tune from a 2008 STI to a 2010 STI: What Actually Happens
Moving an EcuTek calibration from a 2008 STI to a 2010 isn’t a simple file copy — here’s how ROM keying works and what your tuner actually does.
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Nissan 370Z Roadster Convertible Top Latch Malfunction: Diagnosing the Right Sensor
The 370Z Roadster latch warning can come from any of around eight position sensors. Here’s how to find the exact one misfiring and decide whether to fix or bypass.
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EK Civic Engine Bay Respray: Full Prep Guide for a Clean JDM Build
From sound deadening removal to primer staging, here’s the full engine bay prep process for an EK Honda Civic respray — and where most builds go wrong.
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Ford Focus ST Lower Control Arm Guide: OEM Replacement, RS Arm Swap, and Bushing Upgrades
Whether your Mk3 Focus ST’s arm is leaking, clunking, or you want more negative camber, here’s what fits, what the RS swap actually does, and which bushing route makes sense.
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Clutch Slave Cylinder Bleed Screw Size: 8mm x 1.0 or 8mm x 1.25?
M8 x 1.25 is the correct thread pitch for most clutch slave cylinder bleed screws — here’s how to verify yours and find the right Earl’s Solo-Bleed.
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Pineapple Racing Idler Pulley Failure: Why Bearings Fail at High RPM and What to Do About It
Pineapple Racing idler pulleys have failed on FD RX-7 builds due to under-spec bearings that can’t handle real idler RPM. Here’s why it happens and how to get back on the road.
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C8 Corvette Engine Replacement Under Warranty: Break-In Period, Carfax Records, and Resale Impact
Had your C8 Corvette’s engine replaced under warranty? Here’s what actually happens with the break-in reset, Carfax reporting, VIN records, and how it affects resale.
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Why L5P Duramax Tuning Won’t Save Fuel Like Your Old 7.3 PSD Did
Modern diesels like the L5P Duramax start from a much tighter factory calibration than older trucks like the 7.3 PSD — here’s why that closes the door on easy fuel economy gains.
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2013 Jeep Grand Cherokee WK2 Nivomat Shocks: How They Work, When They Fail, and What to Watch For
Nivomat self-leveling rear shocks on the 2013 Jeep Grand Cherokee WK2 are purely mechanical—and they fail in specific, predictable ways. Here’s how to test them and what replacement actually involves.
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How to Prep and Paint an EK Honda Civic Engine Bay: Sound Deadening, Primer, and VSM
Strip the sound deadening, shave the firewall, and get primer right the first time — a complete guide to prepping a Honda EK Civic engine bay for a proper respray.