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Oil pressure in a volvo penta 4.3gxi #4779254
06/06/18 02:07 PM
06/06/18 02:07 PM
Joined: Jan 2010
Posts: 132
ca
monster1 Offline OP
monster1  Offline OP
Joined: Jan 2010
Posts: 132
ca
I'm running delo 15w-40 with fram ultra in my 4.3gxi engine. With the engine at idle and at running temp, I'm seeing my gauge at the quarter mark (20psi?) And while under load at higher rpms I'm seeing 40 psi. Is this normal? The engune has 200 hours on it so it's like new. Runs like a top. Doesn't burn oil. I'm just asking because I can't remember if the pressure gauge has fluctuated that much.

Thanks

Re: Oil pressure in a volvo penta 4.3gxi [Re: monster1] #4779270
06/06/18 02:19 PM
06/06/18 02:19 PM
Joined: Oct 2014
Posts: 12,698
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,698
Idaho
That seems about right for a Chevrolet engine.My last boat had a big block Chevrolet and it was modified and had about 90 psi cold and 65 psi hot with 15w-40 oil


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Oil pressure in a volvo penta 4.3gxi [Re: monster1] #4779318
06/06/18 03:05 PM
06/06/18 03:05 PM
Joined: Sep 2013
Posts: 10,771
Indiana
dlundblad Offline
dlundblad  Offline
Joined: Sep 2013
Posts: 10,771
Indiana
Originally Posted By: monster1
I'm running delo 15w-40 with fram ultra in my 4.3gxi engine. With the engine at idle and at running temp, I'm seeing my gauge at the quarter mark (20psi?) And while under load at higher rpms I'm seeing 40 psi. Is this normal? The engune has 200 hours on it so it's like new. Runs like a top. Doesn't burn oil. I'm just asking because I can't remember if the pressure gauge has fluctuated that much.

Thanks


Can you hook an external gauge to it?

$20 at HF.


03 Jeep WJ 4.0 202k Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Oil pressure in a volvo penta 4.3gxi [Re: monster1] #4779469
06/06/18 05:53 PM
06/06/18 05:53 PM
Joined: Sep 2015
Posts: 6,113
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 6,113
Kalifornia Kollective
20 psi at idle is plenty. 10 psi per thousand rpm is the norm. so 40 psi at 4,500 is just fine.

If it was 20 psi hot at load and speed, I'd be a bit concerned ...

But it's not an issue with your numbers smile


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Oil pressure in a volvo penta 4.3gxi [Re: monster1] #4781969
06/09/18 06:42 AM
06/09/18 06:42 AM
Joined: Jul 2012
Posts: 2,624
South Carolina
alarmguy Offline
alarmguy  Offline
Joined: Jul 2012
Posts: 2,624
South Carolina
Sounds perfect


14 Road King (current)
08 VStar 1300 Tourer
07 Suzuki C50

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