For the launch of the all-new fifth-gen small-block, Chevrolet resurrected one of the oldest names in the Mouse motor's history. A lot of things have taken place in the last couple of years that have ...

The General Motors LT1 engines might be long-running, but the mills it has adorned are quite different. So which LT1 is which, and what are the differences?

Watch as GMs all-new Gen 5 V-8 small block engine is put to the test on the dyno. Video courtesy General Motors.

Let's define "small-block" so no one will get mad (people will still get mad). General Motors may call the Gen-III to Gen-V LS and LT V8s "small-blocks" in marketing materials, but even Chevrolet's ...