tvr 2.9 s oil pressure

[bagof]

hi there ive just bought a tvr s 2.9 111000miles runs great no knocking (TRYED pulling of in 3rd)BUT oil pressure is 0ish (5psi at best) at tick over rising to 25psi at 2000rpm and 40-50psi at 3000 plus pulls like a train to 120mph no knocking in high gear at low revs so!!!! q is should i be worryed or not??