Smaller engines use less fuel, but being turbocharged adds pressure, which can lead to higher temps and engine knock, damaging the engine. … So when you ask for full power, turbocharged engines aren
‘t as efficient
because of the high fuel to air mixture that’s needed to protect the engine.
Is turbo engine better than normal engine?
Turbochargers enable
smaller, more efficient engines
to compete with the power and torque ratings of much larger engines. … When this air pumping loss is lower with a wider throttle opening, smaller engines prove to be more efficient in their use of air/fuel mixture.
Do turbocharged engines require more maintenance?
Turbocharged engines will require
more frequent oil changes and fresh spark plugs
, though turbo engines typically don’t require additional service compared to naturally aspirated engines.
Are turbo engines worth it?
Because turbo engines are predominantly run by exhaust gases, gases which would otherwise go to waste, you don’t lose anything in running a turbo. … Larger more powerful engines take up much more space and are more expensive to run, so turbo charging a small engine is a great compromise.
Do turbocharged engines last as long?
A turbocharged engine has more components than a naturally-aspirated (non-turbo) motor. … That said, there are
many turbo engines that can last long
. Take, for example, the turbodiesel in the Mark IV Volkswagen Golf / Jetta (from early 2000’s). Many of them are going well past 200K miles with good maintenance.
What is the disadvantage of turbo engine?
Smaller engines use less fuel, but being turbocharged adds pressure, which can lead to higher temps and engine knock, damaging the engine. To avoid this, you have to have
a lower compression ratio
. Thermal efficiency and compression ratio are directly correlated.
Do turbos shorten engine life?
2.
Turbos Reduce the Lifespan of an Engine
. One of the most common turbo myths is that running boost will damage your engine over time. … However, a properly implemented turbo pushing enough PSI through a motor to produce respectable levels of power won’t strain a motor any more than idling in traffic will.
Who makes the most reliable turbo engine?
The study found that six brands which have turbocharged engines with better reliability than the average non-turbo engine. These brands were
Honda, Lexus, BMW, Porsche, Audi, and Subaru
.
What should you not do with a turbo engine?
- 5 Things You Shouldn’t Do In A Turbocharged Vehicle. …
- Don’t Run Your Car Immediately. …
- Don’t Switch Off Immediately. …
- Don’t Lug Your Engine. …
- Octane Fuel – Don’t Use Lower Than Recommended. …
- If you have a laggy turbo – don’t mash the throttle.
What are the pros and cons of turbocharger?
- Fuel economy can tank when driven aggressively.
- May require premium fuel.
- Can inflate repair costs.
How many miles do Turbos last?
Turbos are designed to last the lifetime of the vehicle (or
around 150,000 miles
); however, it’s possible for them to wear out over time depending on how hard you drive the car and the original build quality of the turbo.
How often should you replace turbos?
Most turbochargers need to be replaced
between 100,000 and 150,000 miles
. If you are good at maintaining your car and get timely oil changes your turbocharger may last even longer than that.
Can a turbo damage your engine?
All the parts and modifications mentioned so far are about maximizing how efficiently your turbo works. But, while the turbocharger does add power,
it can also damage or even destroy your engine if used improperly
.
What is the most reliable 4 cylinder engine?
- Saab B234R. …
- Volvo Redblock B230FT. …
- Volkswagen EA888. …
- Mitsubishi 4G63T. …
- Subaru EJ25. …
- Nissan SR20DET. …
- Ford 2.3L EcoBoost. …
- Fiat Twin Cam.
Engines with high compression ratios or turbochargers often require
high octane fuel found
in premium gas for optimal performance and fuel efficiency. However, the majority of cars on the road today are optimized to run on regular gas.
Do turbo engines use more gas?
A turbocharger typically helps
a car get better gas mileage
because a smaller engine can be used to get the same amount of performance. Expect a turbocharged engine to be about 8% -10% more fuel efficient that the same engine that is not turbo equipped.
