Transmission controllers

I installed a 2004 8.1L big block Chevy into my 1978 3/4 ton 4wd pickup. It has the original TH400 three-speed trans. I’m not racing this truck, just a daily […]

With so much attention placed on getting your engine tuned and running well, it’s easy to overlook the importance of making sure your automatic transmission shifts properly too. And that’s […]