There are so many changes it feels like the entire drivetrain is brand new with reduced mass in the connecting rods, crankshaft pins, and ignition system. There’s also a revised dry sump and cooling system and improved coil-on-plug ignition systems as well.
Everything was done to help the drivetrains push harder for longer which is important, as the people who buy these vehicles are doing so because they want to get into racing without breaking the bank, and increasing the durability of the cars is a crucial part of keeping costs down.
“Although the entry-level racer, the SR1 XXR offers an outstanding package with unparalleled performance for the money, that will get you on the grid in a professionally administered race series,” says James Pinkerton, Radical Motorsport’s Head of Research and Development and double Radical SR1 Cup Champion.