Building a 1500hp TH400 That Actually Lasts
Putting together the 1500hp th400 isn't as easy as ordering a rebuild kit from a catalog and spending a Saturday afternoon in the garage area. When you're pressing that kind of power—whether it's from a substantial procharger, a pair of turbos, or a large dose of nitrous—the margin for mistake basically disappears. Turbo charged 400 is renowned for being difficult, but even the particular finest GM design from the 60s wasn't meant to handle four-digit torque numbers reliably without some serious assist. ...