Originally Posted by
Karlos G
I have no track experience but just a thought... are you using the correct oil? Sounds like it's thinning out too much when hot, maybe try a higher viscosity (I would use 15/50 for normal use and if I were on a track regularly probably even 15/60). But your heavy breathing does point towards ring wear.
Mobil one 15/50 mate....so not cheap halfords shite lol, unfortunately i don't think the solution is going to be that straightforward, wish it was