what's normal? I see 40 at cold startup (I'm using 0w-40), 10-20 at warm, 40 at speed (3,000 + rpms), 4k-6k still see 40 the only time I see above 40 is when I drive on the highway for 20mins or more (then it will creep to 60). It was like this on my previous motor too. Normal?
oil pressure
- Thread starter kelner
- Start date
That seems to be about right. I see slightly higher above 4k, but that could just be differences in oil.
From the TRSM:
http://www.cygnusx1.net/supra/Library/TSRM/MK3/manual.aspx?Section=LU&Page=4
At operating temperature:
At Idle - 4.3 psi or more
At 3000 rpm - 36-71 psi
When the oil is cold, the gauge will show higher psi until it's warmed up; then it should fall into the above ranges. The Supra oil system is a low pressure, high volume system. Unless a mechanic is familar with the 7M, when he sees 5 psi at idle he will tell you it is low....it's really not
http://www.cygnusx1.net/supra/Library/TSRM/MK3/manual.aspx?Section=LU&Page=4
At operating temperature:
At Idle - 4.3 psi or more
At 3000 rpm - 36-71 psi
When the oil is cold, the gauge will show higher psi until it's warmed up; then it should fall into the above ranges. The Supra oil system is a low pressure, high volume system. Unless a mechanic is familar with the 7M, when he sees 5 psi at idle he will tell you it is low....it's really not
kelner said:Good to hear, thanks guys!
Whoa! :eek3:
That's way high...what's he running? A 50W or 60W oil!
That's not good :3d_frown:
for the past 2 weeks my supra has been running at a high and higher oil pressure now its at 110 psi, to right below the 120 line the first 2 minutes warming it up, and the first 5 minutes i drive its between 90 and 110 psi when i'm barely hitting the gas (like 2k rpm). I use 10-30 oil and i do have an oil leak but its hasn't got any worse and i just added oil in about a week ago and it did nothing. Does this sound like a problem from too much oil, too little, oil pump going, clog somewhere, bent hose ,or what can it be?
Turbo. Targa. Life.
SupraMania Shirt Slinger!
WOW...see keywords "LOW PRESSURE HIGH VOLUME" Sounds like you've got too much oil or a bent/clogged line somewhere!
Turbo. Targa. Life. said:
Yea i read that and i was thinking to myself that it sound like the total opposite for my problem. I usually put a qt in to replace what leaked out once every 10 dyas or so but i havent for almost a month until last week. Before i put it in last week it seemed the more oil leaked/more time that passed that i didnt refill it the higher the oil pressure got. Any ideas on which oil lines would be most likely to bend and cause it to be this high? Its going down to 0 degrees so i have to use my time very wisely :3d_frown: . Btw after about 7,8 minutes of driving it doesnt pass like 60 psi so it seems it a big problem when warming car up.