I'll have to research that one.
You're forgetting that the mechanical components in the newer models like pistons, etc. are designed to run at the higher temps and older engines are not. Tires on new cars are a good example of engineering changes. The theory has always been that the closer the rim gets to the ground the less air you have to ride on. This translates to the lower the profile the rougher the ride. Take a look at the new MBs. They have like 50 series tires. Put those on an 80s car and you will be riding in a buck board. The suspension is all new design. The same goes for engines.
Auto Zentral Ltd.