Board Thread:Game Discussion/@comment-26249703-20150718174332/@comment-26715739-20150722132527

For Atom:

Yep - I'm wrong - was looking at the cost to upgrade from base to 70, not from top of R$ to 70! Easy to lose track of where you are.

So yes, looks like you can maybe do it for 15 (Brakes (1.6 for 8 gold + R$) and Tyres (1.3 for 7 +R$)) which should be more than the 2.6 needed (even with "rounding" on the upgrades).

I think I probably missed the overlap with the Murcielago having spotted the overlap on the Sumo.