Recent content by Spirou

@Ranger Mike, I guess it could be interesting for comparison that one of the worlds most fuel efficient petrol engine is a chain driven engine called 1,8 HSD found in some Toyota models. On the other hand the Volkswagen group have recently moved from timing chain to belt (e.g. 1,4 TSI), claiming...

Do you mean cam chain also is parasitic to power and fuel consumption?

"What steamking said, plus, gears and chains need lubrication. Timing belts do not. Deleting oil feed passages, oil seals, etc all saves cost and weight - which is why most mass produced car engines now use belts." Hi, I would argue that the trend right now is towards chains, moving away from...