Complete Guide to the 4R70W Transmission: Specs, Strengths, and Failures The 4R70W transmission is one of Ford’s most versatile and widely used 4-speed automatic transmissions. Introduced as an evolution of the AOD and AODE, the 4R70W brought better performance, smarter gear ratios, and greater durability to a wide range of...

700R4 vs. 4L60E: Full Comparison for Performance Builds When you're planning a performance vehicle build, your transmission choice is every bit as crucial as your engine selection. Whether you’re building a street-driven muscle car, a restomod, or a reliable cruiser, your transmission dictates how power is delivered, how responsive your...

What Is the Best 4-Speed Automatic Transmission? When it comes to building a street-performance vehicle, your transmission is just as important as your horsepower numbers. It’s easy to obsess over camshafts, compression ratios, and turbo sizing, but without the right transmission, all that power might never fully reach the pavement....