At this weekend’s Silverstone Classic, Mountune Racing will return to the scene of its famous victory of Rob Gravett’s Sierra Cosworth RS500 over the Andy Rouse Engineering entered sister car, in the 1990 Grand Prix support race. This time, however, Mountune will work with the Kaliber sponsored ex-Rouse car which is being raced by Julian Thomas in the JET Super Touring Car Trophy.
Modern management systems and refined internals, including camshafts, pistons, rods, and a multi-layered steel head gasket mean that the YB engines of today can produce significantly more than their predecessors. Mountune is running a reduced boost pressure to maintain an output of 550bhp, similar to the power available in 1990.
David Mountain commented “It’s certainly a strange feeling working with the old rival! The Silverstone Classic is a real celebration of historic motor racing. However, it doesn’t have the same pressure we had in 1990. It’s easy to forget how tough it was then. The rate of development was incredible and we were up against some really strong teams. It would be great to see a win for the Kaliber car at Silverstone Classic. After all these years is now powered by mountune.”
Alongside David, there are six current mountune employees, who were at the company during the title fight of 1990.
In recent years there has been a significant increase in demand for Mountune’s YB engines. This reflects both the rise in popularity of classic motorsport and the recognition of the value of the company’s 30 years of experience with the design. Since its introduction, over 500 YBs have been through the Mountune racing workshop. Still active today in the BTCC with Ford, Mountune now apply decades of experience alongside state of the art technology.
The Silverstone Classic is now one of the biggest events on the motorsport calendar. It sits alongside top-level racing. It also serves as a reminder of a time when life was a little more relaxed.
The Silverstone Classic takes place from the 20th-22ndJuly at Silverstone Circuit in Northamptonshire.
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