A Class Of Its Own

New Chevy LT5 Crate Engine Develops 1,159 HP And 1,063 LB-FT

Chevy’s LT5 crate engine – a supercharged 6.2-liter V8 that after uncovered objective in the...

Chevy’s LT5 crate engine – a supercharged 6.2-liter V8 that after uncovered objective in the C7 Corvette ZR1 – is finding some love from Katech. Like, a ton of love. Earlier this month, the efficiency engine and car or truck builder unveiled the Katech Observe Assault LT5 crate motor. It usually takes the mill’s 755 horsepower (563 kilowatts) and improves it by just in excess of forty per cent.

The Katech mill will make 1,159 hp (864 kW) and 1,063 pound-toes (1,441 Newton-meters) of torque. That is a sizable enhance in power and is realized with quite a few updates and modifications in excess of the regular crate engine, though contacting a 755-hp box of engineering furry a “regular” engine feels disingenuous.

Modifications Katech will make to the engine incorporate a preference involving either Magnuson’s TBVS 2560 supercharger or Katech’s very own CNC-ported device. Displacement and compression the two enhance – up to 388 cubic inches (6.four liters) and 10.three:1, respectively. The mill from GM is 375 cubic inches with a 10.1:1 compression ratio.

Inside, the mill makes use of Diamond Pistons pistons with Opposition Valves in the CNC-Ported cylinder head which is from Katech. There’s no pricing details still from the corporation, but never count on anything low-priced. The LT5 from GM starts off at $eighteen,811, in accordance to Muscle Autos & Trucks.


GM’s smaller-block V8s are well known with aftermarket tuners and builders for their compact sizing, large power density, and trustworthiness. They’re versatile, fitting in a broad vary of will make and styles that could not be much more dissimilar to the Corvette ZR1 the engine came from two a long time in the past.

Katech has a effective record making large-driven GM engines, making the mills for the automaker’s Corvette Racing Crew. So yeah, the corporation is aware of what it’s accomplishing with its Observe Assault LT5 crate engine. And shortly, you will be ready to slip it below the hood of regardless of what your making in the garage. Very well, practically anything at all.