What is the normal operating temperature and oil pressure?

The Green GT

No 13 year olds are safe around me.

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Jul 2, 2006

#1

• Jul 2, 2006

• #1

I just installed my new gauges and I want to see how accurate they are. They look great btw and were a PITA to install. But fun.

 

SeventyMach1

Keep it lubed .... keep it straight .... and keep

Mar 30, 2005

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Jul 2, 2006

#2

• Jul 2, 2006

• #2

My car runs around 50-55 psi when warm ... which I believe is normal. Some even say 40 psi is okay.


I run between 205 & 210*. I have no idea if thats the norm .... but I don't like it. I need to get a Fluidyne.

 

HISSIN50

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#3

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Yep. For OP, anything above 20 PSI at hot idle is alright.

For water temps, remembering that low speed comes on at 208*F helps.

If you control the fans with another controller (or otherwise), running within 10*F (higher) than your stat rating is excellent.

 

The Green GT

No 13 year olds are safe around me.

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Jul 3, 2006

#4

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Ok, well my temp is around 210 and my PSI is right under 25 at a hot idle, and it goes up to about 50 when I floor it. So Im guessing they are pretty accurate.

 

HISSIN50

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Sounds right to me Eric.

 

The Green GT

No 13 year olds are safe around me.

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Jul 3, 2006

#6

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Cool. Im glad I got those cheaper gauges. They look cool, they are pretty accurate and they both cost a little less than one autometer gauge.

View attachment 458647
View attachment 458649

 

Prince95GT

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Jul 6, 2006

#7

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as for the oil pressure, what to the little letters roughly = to in #'s?

 

Methodical

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Jul 6, 2006

#8

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• #8

I have the autometer lunar gauges and the oil pressure reads 25lbs at hot idle (rule of thumb 10psi per 1000rpm) 50lbs at startup and I run Mobil 1 synthetic. Now for some reason I kind of remember the oil pressure being a tad higher with conventional oil - but could be a bad memory.

My temperature gauge reads at 196* but I've change the fan settings via my TwEECer. It will go up to 210* with the AC on at idle but drops back down when the car is moving.

One thing I noticed is how I was so paranoid about what the car was actually doing (i.e. actual oil pressure, water temperature etc.) so I got the gauges and now that I know what's going it still makes me paranoid at times (i.e. is this right, should it be this psi or that psi, why is it doing this or that) I guess the old saying that too much information can be scary (not exactly how it's been said but you get the drift). Never the less, I'd rather know though.

Peace

 

95strokerPSU

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Jul 6, 2006

#9

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• #9

My hot idle is in the 50s. I do have a high volume oil pump, does this sound right?

 

Methodical

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#10

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95strokerPSU said:

My hot idle is in the 50s. I do have a high volume oil pump, does this sound right?

Click to expand...

Uhmm good question but I don't have the answer. Do you have an aftermarket 7quart oil pan. I read where with a HV oil pump you need to increase oil capacity because the oil pump may suck the stock pan dry.

 

95strokerPSU

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#11

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Methodical said:

Uhmm good question but I don't have the answer. Do you have an aftermarket 7quart oil pan. I read where with a HV oil pump you need to increase oil capacity because the oil pump may suck the stock pan dry.

Click to expand...

Yeah I have a 7 quart pan. I asked my engine builder a while ago about it and he said that it was okay. Just thought I'd ask here when I saw this thread.

 

blksn955.o

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Jul 6, 2006

#12

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I have 55-60 oil psi at startup and 50-ish psi at hot idle and 70-ish while at an rpm higher than 2,500-3,000...with a std. vol. oil pump Its a fresh motor though.

With the tweecer setup to run the fans with my 180 t-stat the tweecer and auto meter guages read nothing higher than 196 maybe...maybe 198* (sincve I dont have the laptop at work but I honestly dont remember anything over 196) with the stock rad.

 

HISSIN50

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#13

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Dave, that's insane! Dare we ask what your cold (start-up) pressure is?

 

95strokerPSU

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Jul 7, 2006

#14

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HISSIN50 said:

Dave, that's insane! Dare we ask what your cold (start-up) pressure is?

Click to expand...

It's between 70-75. I think the gauge might be slightly off. I'm not sure if it's getting a good enough ground, which would make it read high, right? I need to redo all of my AM gauges. Under my dash is a complete mess.

 

HISSIN50

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#15

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Dave, that sounds fine to me - that's a heft of pressure. If your builder wanted that much volume, there's a reason (the mill might have been built a hair loose or something). I wouldnt sweat it in any event.

 

Methodical

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#16

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Is 60lbs (stock pump limits or something to that affect) the max safe oil pressure you'd want to see?

 

urban96

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Jul 7, 2006

#17

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my 02 is around 75 cold idle



210ish seems to be the norm water temp

 

HISSIN50

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#18

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Methodical said:

Is 60lbs (stock pump limits or something to that affect) the max safe oil pressure you'd want to see?

Click to expand...

It seems to me that one can go a bit above this - these guys arent that far past the stock bypass.

Much more pressure can cause issues with filters and what-not.