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well because of the fact that off idle pressure is perfectly in spec, i feel that the low idle pressure could be any number of things besides bearing wear.

That is sort of what im trying to figure out here. Its kind of interesting that my off idle pressure is slightly above normal but my idle pressure is below normal.

I understand and agree with what you are saying here, but if my pressure on the gauge drops, do i not need to compensate for it? In example, if i switched to a 0w30, and my oil pressure at idle operating temp is 2psi because of the thinner oil used, isnt that a concern? Should i not compensate...

Thats why i don't agree with what Nick M stated, saying im "stuck on pressure". My initial question still stands, if i switch to a 0w30 in order to increase my flow of oil off idle, is it likely my idle operating temp oil pressure will drop dangerously below specifications?

Well according to the oil information write up from jdub's signature, it states you want the oil that will give you the proper pressure that the manufacturer recommends. In this case, at idle, that spec is 4.3 or so PSI. Yes "flow is more important than pressure" but if i run an oil that is...

Decided to post here rather than in a different thread. I understand what all you guys are saying about pressure, but now comes in a problem. According to my Prosport Oil pressure gauge, at idle, i have about 4-5PSI. This is the stock pressure minimum. I have this pressure with Mobil 1 0w40...

Sounds like your thermostat could be bad(stuck open) or maybe there isnt one in there? If your car runs cold, it richens the A/F mixture, which would cause your mileage to go down significantly. First thing i would do is verify temperature at the thermostat housing after driving around a little...

Also check your sway bar end links, those being loose will clunk a lot.

over tightening the belts will just put that much more strain on the accessory bearings, so that is not a good thing.

What is the noise you are hearing? Squeak? Clunk?