Was at my local garage yesterday explaining about my oil problem,
(using oil but no leaks or smoke) & he suggested I use a treatment of "FORTE" oil fortifier.
He says it will treat all of the oil seals & soften them up, make them more like new again.
Apparently its a better type of oil additive than slick 50 as it also treats the seals.

Has anybody heard of this, tried it???
Im always a bit dubious of trying something I havent heard of.