You hear endless myths about the Mazda RX-7, from breathless praise of its “magic” to horror stories about blown apex seals.

The LML was the 6.6-liter V8 engine behind many Chevrolet Silverado and GMC Sierra trucks between 2011 and 2016, but what made it so special?

LS engine swaps are so common these days that it’s easy to get complacent about the project if you’ve never attempted it. After all, swap kits are plentiful and, while most are tailored for GM ...