What is a torque converter besides a big round thing used with automatic transmissions that holds a lot of tranny fluid and makes a mess if you spill it? I wasn't sure either; maybe this is due to the ...

We all like to go faster, but the path to lower e.t. 's isn't always through engine upgrades. There's performance to be found in the remainder of the drivetrain as well. Adding a higher-rpm stall ...