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The 10 best engines and propulsion systems of Wards in 2021 will be announced daily in random, non-alphabetical order until September 24. This is the third winner's profile.
We call it "a small engine that can be" for good reasons. Turbocharged 1.3-liter 3-cylinder. The tests we conducted in the '21 Chevrolet Trailblazer met this description in almost all aspects.
It produces 155 horsepower and 174 pound-feet. With a torque of (236 Nm), through a combination of technology, neat dimensions and torque response, this engine has entered our list of the top 10 best engines and propulsion systems in 2021. The most important thing is the impressive output of 116 hp per liter-37 hp per liter higher than the larger V-8 brother in the Corvette Stingray.
This is not to take anything from the 6.2L OHV small cylinder block in Stingray. Stingray is a mid-engined app. It is on our 2020 list and is still our best in terms of pure performance. Love. But over time, in the well-equipped $30,730 Trailblazer compact CUV, a much smaller configuration brings different types of responsiveness.
A clean Ecotec I-3 must balance a series of daunting goals, because the architecture is designed for multiple global applications: strong transient response, low NVH and good fuel economy/low CO2 emissions, depending on the vehicle size.
The all-aluminum DOHC engine is powered by a single-scroll turbocharger connected to a head integrated exhaust manifold to ensure rapid boost pressure, direct fuel injection, and intake and exhaust cam phasing . The almost invisible 12V stop/start system further improves fuel economy. Our all-wheel-drive 9-speed automatic test car has a fuel consumption of 26/30 miles/gallon (9.0-7.8 liters/100 km) on city/highways. . Active thermal management uses electric water pumps and control valves to help specific areas of the engine be quickly heated or cooled as needed, while variable flow oil pumps perform similar functions to reduce friction. In order to keep the engine quiet and refined, engineers adopted a deep-skirt cylinder block with integrated balance shafts, sturdy engine and gearbox brackets, high-inertia crankshaft dampers, and sound-proof covers on the engine, fuel pump, and fuel rail. Only three cylinders quietly provided ample power and left a deep impression on our judges. "This engine works very well with this car," Judge Drew Winter said. "No one knows that the Blazers only have three cylinders." "Most people who drive will never know that there are only three cylinders doing this work," the editor Tom Murphy agreed. "The engine has completed the transaction. It is interesting to find an excellent engine in a high-capacity, affordable mainstream vehicle that can comfortably accommodate at least four passengers and has a spare cargo compartment."
Tom Murphy Wards judges Dave Zoia, Drew Winter, and Bob Gritzinger discussed the advantages of the Chevrolet Trailblazer 1.3L during the 10 best vehicle changes.
Wards judges Dave Zoia, Drew Winter, and Bob Gritzinger discussed the advantages of the Chevy Trailblazer 1.3L during the 10 best vehicle changes.
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