Advice on Oil Viscosity for a fast road/race engine

westfield192Member

Hi

I've just built a Westfield 2 seater sports car. I have fitted a Ford 2.0L Duratec Engine into the car which runs on Throttle bodies,Webcon Engine Management, lightened flywheel etc etc. I have been running it in on 10w40 mineral oil (1200 miles - 2 oil changes)and now want to change to Synthetic oil. Everyone in the UK raves about Mobil 1 so I went out yesterday and bought 5litres of Mobil 1 0w40. I am now concerned that I have the wrong oil. I have just read an article that says for fast road/race use, I should use thicker oil. Can anybody give me some advice please. If it helps, the car will only do approx 4000 miles per year but most of these will be under hard use eg Track days, etc etc. The car revs upto approx 7000 rpm but usually between 4000rpm and 6000 rpm.

Any advice gratefully accepted.

Regards

Anthony

10/23/054:24 AM

Original Post

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