416 low oil pressure at idle

i'm with you ! one thing the builder said, which may have some validity. is that the header clearance by the filter is causing the engine oil to become hotter than the engine water temp which can cause loss in viscosity, he recommended some header wrap to reduce the heat transfer to the oil filter.. is this bullshit by him covering his a?? or is it a good point.

I say BULLSHIT...... I just changed my filter today to a 1515 that gets real close to the TTI's. Headers were hot as *&%)#$@!! , I got burns to prove it! Got the car hot up to temp and pulled the dipstick. Touched the oil and it was barely warm.