Martin Donnelly - Martin Donnelly Racing (ex Lotus F1 driver)

"Everytime we used ZX1 Engine Oil in the European Races and Tests we saw a significant improvement in engine performance.... Also ZX1 Synthetic Supergrease gave excellent service in our wheel bearings and c/v joints, allowing free movement with no drag and very little component wear."

Mr A.W. M.Inst.MSM. : Northumberland

"... can report that having done about 5,000 miles in the Jaguar and 7,000 miles in the Rover, (both cars are now in their 8th year, being 1990's on 'G' plates) are running beautifully, the engines being noticeably "smoother" especially on cold starts in the current freezing temperatures, and the M.P.G. of the Rover has improved by about 4 mpg from the previous 31 / 32 mpg to around 35 / 36 and this all on local running..."