NISSAN VARIABLE COMPRESSION TURBO ENGINE

Balance shafts are commonly used in conventional 4-cylinder engines to

Counteract engine vibration

What is the highest compression ratio available from the Variable Compression Turbo Engine?

14:1

The following Nissan vehicles offer or include a VC-Turbo engine.

2022 and newer Rogue 2019 and newer Altima

Higher compression ratios result in _____, like a marathon runner.

sorry i deleted this one on accident..

What is the lowest compression ratio available from the VC-Turbo engine?

8:1

Which friction-reducing technologies are used in the VC-Turbo engine?

Added this question but forgot to put the answer on here... these videos suck

Which friction-reducing technologies are used in the Variable Compression Turbo Engine?

Diamond-like coating on valve lifters Mirror bore coating on cylinder walls Microfinishing on crankshaft and camshafts

In the VC-Turbo engine, what happens when the angle of the control shaft changes?

The connected multi-link assembly mechanism adjusts how far the piston travels up in the cylinder

When does the Variable Compression Turbo Engine use lower compression ratios?

Under hard acceleration or heavy loads

What is the horsepower and torque of the Altima VC-Turbo engine?

236 hp @ 5,600 rpm and 267 lb-ft torque @ 4,000 rpm

The VC-Turbo Engine has

A single control shaft

The multi-link mechanism in the VC-Turbo engine _____, thus varying the compression ratio.

Adjusts how far up the piston travels in the cylinder

Higher compression ratios result in _____, like a marathon runner.

Better fuel efficiency

What determines an engine's compression ratio?

Length of the piston's stroke within the cylinder

What two fuel delivery systems are used in the Variable Compression Turbo Engine?

Direct Injection Gasoline (DIG) and multi-port fuel injection (MPI)

When does the VC-Turbo engine use higher compression ratios?

During highway cruising, while coasting, and at idle

What happens when a driver demands more power from a conventional engine?

Engine control system adds more air and fuel to combustion chamber

Conventional production automobile engines have a ____ connecting rod.

Fixed-length

What is the purpose of the turbocharger in the Variable Compression Turbo Engine?

Increase the air charge entering the engine