Getting Rid of the Slop with an SM465 Shifter Upgrade
Most guys who've spent time behind the wheel of an old Chevy square body know that an sm465 shifter upgrade is usually the first thing on the to-do list after getting the engine running right. If you've ever driven one of these legendary heavy-duty four-speeds, you know exactly why. It's a tank of a transmission—nearly indestructible, cast iron, and boasting a "granny low" gear that could pull a house off its foundation. But actually shifting the thing? That's another story entirely. ...