Tuning & Builds
JDM engine builds, dyno results, ECU tuning, power mods, and complete build showcases
Greddy / Trust: The Intercooler Giant That Redefined Japanese Tuning
Greddy (スタートラスト Trust Co., Ltd. in Japan) is, next to HKS, the most commercially successful Japanese aftermarket tuning company in history. Founded in 1977 as "Trust" (トラスト), the company later adopted the **Greddy** brand name for international markets. Greddy's specialty is forc
Intercooler Upgrade Guide: Front Mount vs Top Mount
Bigger intercooler = cooler charge air = more power. But there are trade-offs. How to choose the right intercooler for your build.
How to Build a JDM Project Car on a Budget: Complete Guide
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Fuel System Upgrades for JDM Turbo Cars
Higher boost needs more fuel. A complete guide to injectors, fuel pumps, regulators, and E85 conversions for turbocharged JDM platforms.
Roll Cage Installation Guide for JDM Track Cars
Bolt-in vs welded, mild steel vs chromoly, 4-point vs 6-point — everything about roll cages for JDM cars that see track time.
JDM Engine Swap Guide: Tools and Parts You Will Need
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Turbo Upgrade Guide for JDM Cars: Choosing the Right Setup
Single turbo, twin turbo, or compound? How to choose the right turbo setup for your power goals, response preferences, and budget.
LSD (Limited Slip Differential) Guide for Drift and Grip Cars
Helical, clutch-type, or welded diff? Understanding limited slip differentials and choosing the right one for your driving style.
Sequential Gearbox Guide: Dog Box, Paddle Shift, and Alternatives
Sequential transmissions offer lightning-fast shifts but at a cost. Understanding dog engagement, paddle shift, and when they make sense.
Boost Controllers Compared: Manual vs Electronic for JDM Turbos
Manual boost controllers are simple and cheap. Electronic ones are precise and programmable. Which one is right for your build?
SR20DET: The Perfect Starter Turbo Engine
Lightweight, responsive, and endlessly tuneable. Why the SR20DET remains the go-to engine for budget builds and drift missiles.
JDM Engine Swap Legal Guide: What's Street Legal?
A comprehensive guide to engine swap legality in the US for JDM cars. Covers EPA rules, state emissions, OBD-II challenges, and documentation tips.