Board Thread:General Discussion/@comment-165.225.80.229-20171128130530/@comment-26829117-20171224144100

You'd be much better off posting that Redline: Origins here. However, there is no absolute answer to that one. You can complete it with a PR of 52.6 (i.e. stock car) but that depends on your skills. You shouldn't need more than 61.0 (i.e. R$ only upgrades).