Ask Away! with Jeff Smith: Optimizing Gear Ratio for Overdrive at Cruising Speeds I have an early 70s Chevelle and I am planning for either a 700R4 or maybe a 4L60E. The car right now has a mild big-block 454 and I’m looking […] Read More
Video: ATI Overdrive Pulleys for LT4 and Hellcat Engines Check out the latest overdrive pulleys released by ATI Performance Products by watching the video below. ATI released 5-, 10-, 15- and 20-percent overdrive pulleys for the GM LT4 (the […] Read More