now i only use full syth 10-40 or 10 -60..derv or petrol...
but for running in the gm 6.2 diesel that has new rings,bearings etc...what to use?
i dont think full syth will ever run it in...
cheap ****e (semi syth halfords/known brand not tesco)10-40 diesel oil...drop it out at 500miles..?
but for running in the gm 6.2 diesel that has new rings,bearings etc...what to use?
i dont think full syth will ever run it in...
cheap ****e (semi syth halfords/known brand not tesco)10-40 diesel oil...drop it out at 500miles..?