Odd Oil Pressure Symptom

Rojoryu · 06-26-2022, 03:17 PM

I ended up getting a 2015 motor with 39k miles on it from an Infinity. I am having a shop install a full boundary pump assembly with +2 shims as well as remove the old motor and install the new one (hand surgery has me out of the garage for a while). Once it's all said and done I will do a new pump on the old engine and keep it as a spare. Question, the Infinity has the stock oil cooler so is that just extra cooling power coupled with my 34 row?

fryzia23 · 06-28-2022, 03:45 PM

My oil pressure findings on my newly built engine with complete boundary oil pump with billet plate and 2 shims:
at 190-200F oil temp it runs about 35psi idle. Higher rpms and more load I already see 130psi or more. Definitely there is more oil pressure than stock pump. I have my oil pressure sensor connected to oil filter relocation sandwich plate.

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06-26-2022, 03:17 PM	#1 (permalink)
Rojoryu Base Member Join Date: Sep 2021 Location: Charlotte Posts: 48 Drives: 2011 370z Base/Sport Rep Power: 16	I ended up getting a 2015 motor with 39k miles on it from an Infinity. I am having a shop install a full boundary pump assembly with +2 shims as well as remove the old motor and install the new one (hand surgery has me out of the garage for a while). Once it's all said and done I will do a new pump on the old engine and keep it as a spare. Question, the Infinity has the stock oil cooler so is that just extra cooling power coupled with my 34 row?

06-28-2022, 03:45 PM	#2 (permalink)
fryzia23 Enthusiast Member Join Date: Dec 2010 Location: new jersey Posts: 452 Drives: 2011 MB 370Z NISMO Rep Power: 1246	My oil pressure findings on my newly built engine with complete boundary oil pump with billet plate and 2 shims: at 190-200F oil temp it runs about 35psi idle. Higher rpms and more load I already see 130psi or more. Definitely there is more oil pressure than stock pump. I have my oil pressure sensor connected to oil filter relocation sandwich plate.