Highest recored oil PSI - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

geraldjust · 06-19-2023, 11:29 PM

Wondering from you track guys, whats the highest oil PSI you seen? for those running gauges.

NoHaveMSG · 06-20-2023, 11:02 AM

At operating temp, 0-20 oil. 58psi coming from the port off the top of the engine on my innovate gauge.

dragoontwo · 06-20-2023, 11:30 AM

I'm not really tracking right now, but I'm getting my pressure right off of the pump. What kind of conditions are you wanting to see? Temp, rpm, start-up?

Breadman · 06-20-2023, 11:55 AM

I run 10w40 as the builder recommends and on cold start in cold weather it can be north of 100psi measured from the top block port. Once it reaches operating temp it idles at 20psi.

blsfrs · 06-20-2023, 12:27 PM

Quote:

Originally Posted by dragoontwo

I'm not really tracking right now, but I'm getting my pressure right off of the pump. What kind of conditions are you wanting to see? Temp, rpm, start-up?

When you say: "right off of the pump"? Do you have some custom plumbing?

dragoontwo · 06-20-2023, 01:22 PM

Drilled/tapped at the nipple on the front cover coming right off of the oil pump next to the crank pulley.

Ultramaroon · 06-20-2023, 01:52 PM

With, or without a cooler? With 0-20 I still get what book says I should. 73-ish PSI at 180-ish degF.

115-ish PSI at high idle on cold start

blsfrs · 06-20-2023, 03:56 PM

Quote:

Originally Posted by dragoontwo

Drilled/tapped at the nipple on the front cover coming right off of the oil pump next to the crank pulley.

Cool. Could you post a picture?

Which galley are you in? Are you measuring pressure before or after the filter?

dragoontwo · 06-21-2023, 07:55 AM

Quote:

Originally Posted by blsfrs

Cool. Could you post a picture?

Which galley are you in? Are you measuring pressure before or after the filter?

Pre filter, right out of the pump. As of right now I did this about 3 months ago. I still DD and autocross once a month right now. Let me go find the thread that inspired me. I'll edit this post.

Here's the thread.

Here's an image that I haven't put out there yet, because I wasn't sure how the engine would respond.

06-19-2023, 11:29 PM	#1
geraldjust Senior Member Join Date: Jun 2018 Drives: MR2, Sliver BRZ Location: San Diego, CA Posts: 316 Thanks: 5 Thanked 261 Times in 123 Posts Mentioned: 40 Post(s) Tagged: 0 Thread(s)	Highest recored oil PSI Wondering from you track guys, whats the highest oil PSI you seen? for those running gauges. __________________ Always looking to tinker with something..

06-20-2023, 11:30 AM	#3
dragoontwo Senior Member Join Date: May 2020 Drives: 22 BRZ limited Location: NW IA Posts: 1,206 Thanks: 225 Thanked 1,023 Times in 536 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	I'm not really tracking right now, but I'm getting my pressure right off of the pump. What kind of conditions are you wanting to see? Temp, rpm, start-up? __________________ 22 Service manuals 22 New car information

06-20-2023, 01:22 PM	#6
dragoontwo Senior Member Join Date: May 2020 Drives: 22 BRZ limited Location: NW IA Posts: 1,206 Thanks: 225 Thanked 1,023 Times in 536 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	Drilled/tapped at the nipple on the front cover coming right off of the oil pump next to the crank pulley. __________________ 22 Service manuals 22 New car information

06-20-2023, 01:52 PM	#7
Ultramaroon not playing cards Join Date: Sep 2014 Drives: a 13 e8h frs Location: vantucky, wa Posts: 32,396 Thanks: 53,053 Thanked 37,225 Times in 19,308 Posts Mentioned: 1117 Post(s) Tagged: 9 Thread(s)	With, or without a cooler? With 0-20 I still get what book says I should. 73-ish PSI at 180-ish degF. 115-ish PSI at high idle on cold start __________________ service manuals

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06-20-2023, 11:55 AM	#4
Breadman Senior Member Join Date: Jul 2017 Drives: 2017 BRZ w/PP Location: Pa Posts: 1,027 Thanks: 51 Thanked 302 Times in 225 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	I run 10w40 as the builder recommends and on cold start in cold weather it can be north of 100psi measured from the top block port. Once it reaches operating temp it idles at 20psi.

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