LT4 Archives - Engine Builder Magazine
Katech Offers Solution To Early Valve/Guide Wear on LT4/LT5 Engines

Katech has announced a solution for owners of vehicles with GM LT4/LT5 experiencing early wear of guides on their factory cylinder heads. It is unknown how many LT4/LT5 engines experience early wear, but there is a considerable percentage that do, based on inspection of the engines that come into the Katech Race Shop.   “A little over a

LS Engines, They’re So Hot Right Now

The LS engine remains one of the most used platforms for racing and performance applications, whether it’s street/strip, drag racing, off-road racing or even marine.

Holley LT4/LT5 Mid Mount Accessory Drive Systems

Holley has released its LT4 and LT5 Mid-Mount Accessory Drive Systems, which pull your accessories in tighter than ordinary accessory drives for an integrated original-equipment-look.

GM’s LT4 Small Block Sets New Company Benchmark for Power and Torque

The all-new 2015 Corvette Z06 is the most powerful production car ever from General Motors and one of a few production cars available in the United States that delivers more than 600 horsepower. The Z06’s LT4 supercharged 6.2L V8 engine is SAE-certified at 650 horsepower (485 kW) at 6,400 rpm and 650 lb-ft of torque