I have a 91 loyale that has about 150,000 miles on it, I have about 25-30 on gauge in morning, then when it warms up i have close to nothing sometimes, i was told by local subaru mechanic that they will be fine with hardly any oil pressure(it does run fine and never gets hot) i was wondering what i should do, I just replaced both head gaskets and water pump and just got it all back together and really dont want to tear it all down again, but if i have to i will.Thanks for any advice