Why didn't use turbo the Japanese car
There is concern, Japan and South Korea car line of " T " is not too care about turbo-charger engine, but is mostly used the normally aspirated engine. Japan and South Korea car line currently occupy the domestic passenger car market share of 1/3, from their strength, are not difference T technology, but made no effort to research and development, not a model using the turbocharger technology. Such as Honda uses i-VTEC engine, Toyota uses the VVTI , Nissan adopting advanced VQ engine, modern in China some models also adopted the technique of CVVT . " Japan and South Korea car line selection naturally aspirated engine, the primary reasons for its reliable quality, stable performance, with the same displacement naturally aspirated engine is turbocharged engine cost savings of 10000 yuan, for better performance. " A well-known domestic engine company technical director says to the reporter: " Japan and South Korea of the car is known to cost-effective, must use the engine. " He also said, most of the domestic car buying the user basically to do household, rather than the pursuit of extreme sports, naturally aspirated engine has enough function. In addition, turbocharged engine basically is cast steel body, which in turn increases the weight of the engine, and oil saving draw further apart, but also require more components. " As we all know, more damage to parts, the higher is the probability of. " He said.
Some consumers believe that, turbocharged engine to maintain higher, compared with the naturally aspirated engine repair costs more expensive. But repair experts said, in fact, turbocharged engine in the repair with the naturally aspirated engine is not big difference, cause turbocharged engine maintenance costs, because some of the owners of improper use, turbocharger damage caused by " replacement, replacement of a turbocharger need thousands of yuan, consumers think turbocharged engine maintenance costs expensive ". As long as the attention to maintenance and repair, so a few years not overhaul examples are not uncommon.