Chevy has been perfecting the old-school pushrod V8 for a long time now, but its day may be nearly over. Internal GM documents have leaked that hint that the 2018 Corvette might get an entirely new engine called the LT5. This engine is tipped to be a more modern dual overhead cam version.
The leaked documents were found buried in a GM service department document that lists internal codes that will be used for 2018 year model vehicles. The LT5 lists an engine with a description that the Corvette faithful aren’t familiar with.
Details of the New LT5 Engine
That description is ENGINE GAS CYL, 6.2L, SIDI, DOHC, VVT, ALUM, GM listed as a Y code that will only be for the Corvette dubbed the LT5 (not pictured). GM has used a DOHC engine in the past, it was in the C4 ZR-1, a legendary car from GM’s past. If you are wondering, the normal LT1 and the LT4 are both listed for 2018.
The LT5 engine is expected to bring a significant performance boost to the Corvette lineup. The dual overhead cam (DOHC) design allows for more precise control of the engine’s valve timing, which can lead to better efficiency and higher power output. This is a departure from the traditional pushrod V8 engines that Chevy has been known for, which use a single camshaft to operate the valves.
Historical Context and Future Implications
The C4 ZR-1, which also featured a DOHC engine, was a groundbreaking vehicle in its time. It was known for its impressive performance and advanced engineering. The return of a DOHC engine in the Corvette could signal a new era of innovation and performance for Chevy’s flagship sports car.
The introduction of the LT5 engine could also have implications for the future of the Corvette. There has been speculation that Chevy might be planning to introduce a mid-engined Corvette, and the new LT5 engine could be a perfect fit for such a vehicle. A mid-engined layout would provide better weight distribution and handling characteristics, making the Corvette even more competitive with other high-performance sports cars.
Additionally, the use of a more modern engine design could help Chevy meet increasingly stringent emissions and fuel economy standards. The LT5’s advanced technology could allow for better fuel efficiency without sacrificing performance, which would be a significant advantage in today’s automotive market.
The leaked GM documents suggest that the 2018 Corvette will feature a new LT5 engine with a dual overhead cam design. This engine represents a significant departure from the traditional pushrod V8 engines that Chevy has been known for, and it could signal a new era of innovation and performance for the Corvette. The LT5 engine could also have implications for the future of the Corvette, including the possibility of a mid-engined layout and improved fuel efficiency. As always, only time will tell how these changes will impact the Corvette and its place in the automotive world.
via The Drive]
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