Hello,Regarding the timing-chain, what is the “improvement” there? Tensioner?
they are offering "modified tensioners" via AR (which i orderd for my car to be fitted in production) besides several other further "upgrades" (as i.e. one-mass/lightened flywheel, dry sump, big brakes,...)
It doesn´t matter how fast it becomes, but how it becomes fast. 2015 Roadster 3.7