No-fluff tools & guides to wrench smarter.
Foxbody SPEC Chassis Guide
A deep-dive look at Roadster Shop’s SPEC chassis for Foxbody Mustangs — geometry, fitment, and real-world performance advantages.
View Chassis Guide (HTML)ZZ502 Big-Block Explainer — Free Download
A straight-shot guide to swapping, tuning, and living with Chevy’s 8.2L—specs, fitment notes, timing baselines, and a printable checklist.
Download Pack (ZIP)Boost Wars: Turbo vs Supercharger Showdown
Pros, cons, and real-world impact of turbos vs superchargers—plus visuals, checklists, and tuning tips to choose the right boost for your build.
Download Guide (PDF)Torque & Horsepower: Advanced Breakdown
A clear, no-BS explainer of torque vs horsepower—core formulas, how to read dyno curves, gearing as a torque multiplier, and when to prioritize each for your build.
Download the (PDF)Guides & Explainers
View all →Boost Wars: Turbo vs. Supercharger
Clear, side-by-side breakdown of boost types, pros/cons, and what’s right for your build.
DownloadTorque vs Horsepower Breakdown
Simple formulas, real-world examples, and how to use both to your advantage.
DownloadFoxbody SPEC Chassis: Bolt-On Modern Handling
Roadster Shop’s bolt-in chassis transforms ’79–’93 Mustang handling—rigidity, geometry, and swap room without cutting the floor.
DownloadZZ502 Big-Block Explainer
What makes the 502 tick—specs, parts choices, and tuning notes for street/strip.
DownloadWe’ll keep adding free tools here—so check back often. Got an idea or need something specific? Drop us a line or hit us up on Facebook.