The big boss needs a new transmission for his ’61 Bel Air, and his underlings (us) must deliver. And by big, we mean really big. TEN’s Executive Vice President of Aftermarket Automotive, Doug Evans, ...
I once drove a K5 Blazer from the bottom of the country to Idaho and back. I did so with 39-inch tires, a 500hp big-block, three transmission speeds, no climate control, no top, earplugs, and a very ...
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4L60E vs 4L80E transmissions explained

The 4L60E and 4L80E are two of General Motors’ most discussed automatic transmissions, and the choice between them shapes how ...
The 4L80E is a truck automatic transmission that was introduced by GM in the early '90s. It basically uses many of the same internal components as the TH400 but has an overdrive Fourth gear and uses ...
The 4L60E and 4L80E were both developed by GM, and there are many similarities in their designs. However, there are key ...