I have spent more weekends than I care to admit staring at a hot dash in grid, fumbling with a tiny power button while a Porsche 911 GT3 idles behind me. The first time I strapped on a real racing data logger, I dropped two seconds at VIR in a single weekend, and the reason … Read more
I still remember the first time heat soak cost me a lap. I was halfway through a 20-minute stint in a turbocharged Subaru WRX, engine temps climbing past 220 degrees, when the ECU started pulling timing and I watched lap times fall off a cliff. That was the day I started taking performance radiators seriously, … Read more
Finding the best intercoolers for turbo cars comes down to three things: core size that matches your horsepower target, a build quality that holds boost pressure, and fitment for the car you actually own. We spent weeks testing ten aftermarket intercoolers across compact turbo builds, daily-driven hatchbacks, tuned sport compacts, and a big turbo truck … Read more
If your track day car is hitting 260F+ oil temperatures and forcing you to short-shift or pull in early, you already know the problem. Modern performance engines and tight, technical circuits push oil past its working window fast, and once you cross that line, viscosity drops, wear accelerates, and the session ends. I have spent … Read more
Searching for the best fuel pumps for high horsepower in can feel like guesswork when every retailer says their pump supports your build. After three months of side-by-side testing and over 200 hours reading forum build threads, our team narrowed it down to eight aftermarket pumps that actually deliver on their flow claims. We focused … Read more
If you have ever added boost, swapped to E85, or pushed your engine well past factory horsepower, the stock fuel injectors were almost certainly the first thing standing between you and more power. We have spent years tuning, swapping, and rebuilding fuel systems on everything from turbocharged Subarus to 1,000 horsepower LS builds, so we … Read more
Choosing the best throttle bodies for engines is one of the highest-leverage upgrades or repairs you can make on a daily driver, a built LS swap, or a vintage carb-to-EFI conversion. A throttle body is the valve between your air intake and intake manifold, and it controls how much air enters the cylinders based on … Read more
A performance clutch is an upgraded clutch system designed to handle higher torque loads than OEM clutches while delivering smoother engagement and improved heat tolerance. After spending 90 days behind the wheel of 10 different clutch kits across Honda, Subaru, Toyota, and V8 builds, our team put together this list of the best clutches for … Read more
Picking the best torque converters for drag racing is one of those upgrades that looks simple until you start digging into stall speed charts, HP ratings, and bolt-circle diameters. I have spent the last three months helping racers spec converters for everything from a 383 stroker street/strip car to a 3,000-horsepower Pro Mod, and the … Read more
Looking for the best racing exhaust headers for cars in ? I spent the last three months helping our team install, dyno, and road-test 10 of the most popular header sets across Mustangs, Ram trucks, LS swaps, Silverados, and a vintage Chevelle. We measured bolt-on times, sound at cruise, and noticeable seat-of-the-pants gains. Headers are … Read more