high milage

Hello first of all I am new to the forums! This is my 4 vauxhall this year 1. Astra van 2lt DTI (chain snap 230k) 2. Astra van 1.7lt izzue engine (fuel pump fail 101k) 2. Astra bertone 1.6lt (to slow) 4. Astra Bertone 2.2 (oil is a myth) So I brought this car one month ago, it had been stud...