Clutch Slave Cylinder Bleed Screw Thread Pitch: 8mm x 1.0 vs 8mm x 1.25 — How to Get It Right
Most clutch slave cylinders take an M8 x 1.25 bleed screw, but some use 1.0. Here’s how to confirm your thread pitch before ordering Earl’s solo bleeders.
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Mercedes W213 B-Pillar Rattle: Why the Door Glass Is Probably the Culprit
If pressing your E-Class door handle kills that B-pillar buzz, door glass alignment is likely what your dealer missed — here’s how to diagnose and fix it.
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S197 V6 Autocross Suspension: Real Choices, Real Trade-offs, and Your SCCA Class
From Koni Yellows and Eibach springs to full coilovers, here’s what S197 V6 Mustang autocrossers actually run—and how each choice affects your SCCA Solo class placement.
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Ksport Coilovers Review: What the Kontrol Pro Actually Gets You
Ksport coilovers offer 36-way damping, monotube construction, and pillowball top mounts at a mid-budget price point — but there’s one catch most reviews skip over.
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EPA Emissions Tuning Rules: What the Clean Air Act Actually Means for Car Tuners
EPA enforcement on emissions tuning is real, but the rules have more nuance than most forum threads suggest. Here’s what the law actually prohibits and where the competition exemption applies.
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Blackwall Radial Tires for Classic Cars: What’s Actually Available and Where to Find Them
True blackwall radial tires for classic cars aren’t as scarce as the forums suggest. Here’s what’s actually available from Michelin, Coker, and Vredestein.
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How Automotive Enthusiast Group Buys Work: Benefits, Risks, and How to Pull One Off
Group buys can unlock real discounts on car parts, but the minimum buyer count makes or breaks them. Here’s how they actually work and what to watch out for.
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What Is a Safe Tune? Why Conservative ECU Maps Often Make the Most Sense
A safe tune leaves timing, boost, and fuel headroom on the table — and for most daily drivers on pump fuel, that’s exactly the right call.
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Track Bike on a Budget: Buy Complete or Build from a Frame?
Building a track bike from a bare frame sounds cheaper than buying complete — until the parts list expands. Here’s how the real costs actually break down.
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Can You Fit 20-Inch MRR HR3s on an Acura RL? (Yes — and Bigger Too)
MRR HR3 wheels in 20″ and even 22″ fit the Acura RL. What actually determines clearance isn’t diameter — it’s offset, tire width, and suspension setup.