3kgt low oil pressure?

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3kgt low oil pressure?

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Mitsubishi Forums >> Mitsubishi Models >> Mitsubishi 3000GT >> 3kgt low oil pressure?

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3kgt low oil pressure? - 12/15/2005 11:32:40 AM

FlipNNVH

Posts: 1
Joined: 12/15/2005
Status: offline

Hi everyone, just bought a 95 3kgt base, and have noticed that the oil pressure guage seems to run low. During engine load, such as cruising the oil pressure reads fine, in between the two tick marks on the guage. But I have noticed that when idling after the engine is warm the guage reads low, about at 1/5 to 1/4 of the guage. Is this normal for the pressure to drop while idling or driving gently or does this indicate a problem? If so, any ideas as to what the problem may be? Thanks in advance.

Post #: 1

RE: 3kgt low oil pressure? - 12/18/2005 1:54:18 PM

soulbite

Posts: 4
Joined: 12/18/2005
Status: offline

I have a 94 it is a standard problem, but doesnt seem to cause any damage. I use synthetic oil with a quart of Lucas oil each time I change my oil it seems to give better oil pressure and eases the lifter knocking on start up.

(in reply to FlipNNVH)

Post #: 2

RE: 3kgt low oil pressure? - 12/21/2005 7:13:46 PM

jakster

Posts: 48
Joined: 12/9/2005
Status: offline

Synthetic oil is the way to go I use Amsiol Racing and Lucas in a high milage motor. If it is winter where you are you may want to drop the Lucas for the winter and run straight Synth Oil. The reason is the Lucas makes the oil thicker and unless you let the engine warm up for 20-30 minutes you are not really getting the oil moving as it should. In the summer it is great and here in Florida where it is warm year around Lucas is good. If you run regular dinosaur oil Lucas also makes an additive for that and it is half the price of the synthetic additive about $7.50 a quart $15.00 for synthetic.

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Sushi Power

(in reply to soulbite)

Post #: 3

RE: 3kgt low oil pressure? - 1/11/2006 3:15:40 PM

jlozano3k

Posts: 63
Joined: 12/2/2005
Status: offline

IT IS NORMAL FOR THE OIL PRESSURE GAUGE TO DO THAT. IF YOU HAVE AN OWNERS MANUAL IT WILL TELL YOU THAT WHEN YOUR AT A COMPLE STOP THE NEEDLE WILL DROP.
AS SOON AS YOU START DRIVING AGAIN IT WILL RISE. SO DONT WORRY. I HAVE A 94 SL AND I WAS THINKING THE SAME THING.

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Joel Lozano 94 3K SL

(in reply to jakster)

Post #: 4

RE: 3kgt low oil pressure? - 1/25/2006 1:07:16 PM

m3kgt_99

Posts: 224
Joined: 9/9/2004
Status: offline

That's kinda funny... I have a base model and mine runs high...

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http://www.cardomain.com/id/m3kgt_99

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Post #: 5

RE: 3kgt low oil pressure? - 10/10/2006 6:44:03 PM

fiberoptik.cook

Posts: 2
Joined: 9/22/2006
Status: offline

same issue. i have a 98 base model 3000GT (auto, no mods, no turbo) shoc v6 but i'm loosing alot of oil under the hood. dont know if its the manifold or whatever. sounds like this is normal tho.

(in reply to m3kgt_99)

Post #: 6

RE: 3kgt low oil pressure? - 10/10/2006 7:04:57 PM

Manybrews

Posts: 774
Joined: 5/23/2003
From: United States
Status: offline

all engines, regardless of manufacturer or country of origin have less oil pressure at idle. The oil pump is spinning slower, naturally producing less pressure.
the normal operating range of pressure for a mitsu is about 15psi (warm at idle) to 100 psi (cold, higher RPMs).
as long as you have clean oil in your crankcase, you'll be fine.

(in reply to fiberoptik.cook)

Post #: 7

RE: 3kgt low oil pressure? - 10/10/2006 10:52:14 PM

94 3kgt sl