80lbs as in 80psi @ idle
i think that's way too high
what grade of oil are you using
what are the oil pressure readings at other times? acceleration/boost, cruising
when you get 80.. is this when you first start it for the morning?
no you won't reach boost just by revving it... that's quite normal
most supras will read anywhere between 18-20inhg vacuum
boost will usually be about 6psi stock
hth
