Getting Your 6.0 ls to th400 adapter Setup Right

If you're staring at a heavy-duty engine on your stand and wondering which 6.0 ls to th400 adapter you actually need, you're definitely not alone. It's one of the most common hurdles for guys building drag cars or beefy off-road rigs. The 6.0L LS—whether it's an LQ4 or an LQ9—is basically the gold standard for budget-friendly power, and the TH400 is arguably the toughest three-speed automatic ever built. Putting them together makes a lot of sense, but they weren't exactly born to be together without a little help. ...

May 17, 2026 · 6 min · Legorburu Yulan