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2026. 6. 30. 작업

난이도 & 준비물

증상

Aluminium engine vs Cast Iron engine

처리 내용

You've already stated the main reason for the aluminum blocks which is the weight reduction. It is the same reasoning which has led Ford to produce their F-Series trucks with an aluminum body: weight reduction equates to better fuel economy. Most manufacturers today are using aluminum in various places to reduce the overall weight of the vehicle. As far as rusting goes, this usually isn't an issue on cast iron blocks as it's life is spent under cover. Only when it is left sitting in the elements does it suffer this fate. Since you are reducing weight in the front end of the vehicle, it can in most instances provide a better weight bias as well. For those vehicles which are concerned with centering the weight of the vehicle (ie: Corvette), taking 110 lbs off the front of the car (when they moved to the LS1 engine and variants) helped a lot in this transition (moving the transmission to the rear of the car helped as well). This can provide better cornering attitude and help with over/und