STD Tuning Engine OM617 Oil pressure, any issues going higher than stock?

OM617 Oil pressure, any issues going higher than stock?

OM617 Oil pressure, any issues going higher than stock?

 
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300D50
Graphite Moderator, ala RBMK

775
04-13-2011, 03:50 PM #1
I'm redoing the pickup on my oil pump, and have what might be a stupid question.

Stock pressure on the relief valve is 7 bar, or ~ 100PSI.

Are there any issues with raising the max, or is the max ever indeed seen by the engine?

I know for some high-output g@sser engines people shim the regulator, but not sure on these old beasts.

I'll be able to arbitrarily set any pressure I want when I remake the relief valve housing, so figured I'd ask.

1990 Power Ram 50 V6 SOHC 24V 6g72

I can be wrong, don't take everything I say as verbatim, please fact-check first.
My posts are my personal opinions and thoughts, unless otherwise noted.
300D50
04-13-2011, 03:50 PM #1

I'm redoing the pickup on my oil pump, and have what might be a stupid question.

Stock pressure on the relief valve is 7 bar, or ~ 100PSI.

Are there any issues with raising the max, or is the max ever indeed seen by the engine?

I know for some high-output g@sser engines people shim the regulator, but not sure on these old beasts.

I'll be able to arbitrarily set any pressure I want when I remake the relief valve housing, so figured I'd ask.


1990 Power Ram 50 V6 SOHC 24V 6g72

I can be wrong, don't take everything I say as verbatim, please fact-check first.
My posts are my personal opinions and thoughts, unless otherwise noted.

Captain America
Boostin' & Roostin'

2,221
04-13-2011, 04:00 PM #2
Well being as though the gauge always shows 50+lbs I have no clue.... I have always wanted to install a full sweep gauge just out of curiosity...


1982 300D Turbo ... 3,6xxlbs, No fan, No AC, Hood Stack, No ALDA, No rear bumper and stuffed front, A/W Intercooled, Injectors by Greezer and HUGE Pre-Chambers with help from OM616 & Simpler=Better, Fuel Cranked up, 60 Trim Compressor wheel, EGT, EMP, Boost 50" Rigid Radius bar on roof Aux tank for a total of 48 Gal Of Diesel! Odyssey PC-1750 Battery in trunk, 27"x8.5"/R14 Maxxis BigHorn Mud Terrains, In June '14 issue of Off Road Mag

AX15 Jeep Trans swap in progress....

Captain America
04-13-2011, 04:00 PM #2

Well being as though the gauge always shows 50+lbs I have no clue.... I have always wanted to install a full sweep gauge just out of curiosity...



1982 300D Turbo ... 3,6xxlbs, No fan, No AC, Hood Stack, No ALDA, No rear bumper and stuffed front, A/W Intercooled, Injectors by Greezer and HUGE Pre-Chambers with help from OM616 & Simpler=Better, Fuel Cranked up, 60 Trim Compressor wheel, EGT, EMP, Boost 50" Rigid Radius bar on roof Aux tank for a total of 48 Gal Of Diesel! Odyssey PC-1750 Battery in trunk, 27"x8.5"/R14 Maxxis BigHorn Mud Terrains, In June '14 issue of Off Road Mag

AX15 Jeep Trans swap in progress....

aaa
GT2256V

913
04-13-2011, 04:11 PM #3
For what reason?
aaa
04-13-2011, 04:11 PM #3

For what reason?

yankneck696
Build it so strong & blow it up good !!!

395
04-13-2011, 04:17 PM #4
I could see blowing out seals in the turbo & other engine parts. Except for all out race engines (with the specially designed clearances) higher volume or pressure could actually rob horsepower.

Ed
yankneck696
04-13-2011, 04:17 PM #4

I could see blowing out seals in the turbo & other engine parts. Except for all out race engines (with the specially designed clearances) higher volume or pressure could actually rob horsepower.

Ed

Captain America
Boostin' & Roostin'

2,221
04-13-2011, 05:00 PM #5
It wouldn't hurt the turbo seals since there is a orifice in-line already...


1982 300D Turbo ... 3,6xxlbs, No fan, No AC, Hood Stack, No ALDA, No rear bumper and stuffed front, A/W Intercooled, Injectors by Greezer and HUGE Pre-Chambers with help from OM616 & Simpler=Better, Fuel Cranked up, 60 Trim Compressor wheel, EGT, EMP, Boost 50" Rigid Radius bar on roof Aux tank for a total of 48 Gal Of Diesel! Odyssey PC-1750 Battery in trunk, 27"x8.5"/R14 Maxxis BigHorn Mud Terrains, In June '14 issue of Off Road Mag

AX15 Jeep Trans swap in progress....

Captain America
04-13-2011, 05:00 PM #5

It wouldn't hurt the turbo seals since there is a orifice in-line already...



1982 300D Turbo ... 3,6xxlbs, No fan, No AC, Hood Stack, No ALDA, No rear bumper and stuffed front, A/W Intercooled, Injectors by Greezer and HUGE Pre-Chambers with help from OM616 & Simpler=Better, Fuel Cranked up, 60 Trim Compressor wheel, EGT, EMP, Boost 50" Rigid Radius bar on roof Aux tank for a total of 48 Gal Of Diesel! Odyssey PC-1750 Battery in trunk, 27"x8.5"/R14 Maxxis BigHorn Mud Terrains, In June '14 issue of Off Road Mag

AX15 Jeep Trans swap in progress....

300D50
Graphite Moderator, ala RBMK

775
04-13-2011, 05:40 PM #6
It's in case I'm of when I recreate the cracking face of the relief valve in the new rear pump housing, and also for personal curiosity.

1990 Power Ram 50 V6 SOHC 24V 6g72

I can be wrong, don't take everything I say as verbatim, please fact-check first.
My posts are my personal opinions and thoughts, unless otherwise noted.
300D50
04-13-2011, 05:40 PM #6

It's in case I'm of when I recreate the cracking face of the relief valve in the new rear pump housing, and also for personal curiosity.


1990 Power Ram 50 V6 SOHC 24V 6g72

I can be wrong, don't take everything I say as verbatim, please fact-check first.
My posts are my personal opinions and thoughts, unless otherwise noted.

DeliveryValve
Superturbo

1,338
04-13-2011, 07:18 PM #7
I personally wouldn't go higher then 7 bar. Gaskets/seals, the plastic IP line and even oil pump is stressed. As long your getting at least 3 bar or 43 PSI @3000 rpm your good.




.

Gota love Mercedes Diesels!



.
DeliveryValve
04-13-2011, 07:18 PM #7

I personally wouldn't go higher then 7 bar. Gaskets/seals, the plastic IP line and even oil pump is stressed. As long your getting at least 3 bar or 43 PSI @3000 rpm your good.




.


Gota love Mercedes Diesels!



.

300D50
Graphite Moderator, ala RBMK

775
04-13-2011, 08:11 PM #8
But does the engine ever hit 7 bar in normal use?
I guess what I'm trying to get at is, would a variation of, say, 5PSI be an issue?
I'm going to do my best to recreate the relief housing dimensions to within a thousandth, but I could still be off.

I'll have to measure the travel of the piston from full-closed to the cracking surface, and run the numbers to find out how the spring rate and preload factor into it.

Oy vey, the things I get myself into!

1990 Power Ram 50 V6 SOHC 24V 6g72

I can be wrong, don't take everything I say as verbatim, please fact-check first.
My posts are my personal opinions and thoughts, unless otherwise noted.
300D50
04-13-2011, 08:11 PM #8

But does the engine ever hit 7 bar in normal use?
I guess what I'm trying to get at is, would a variation of, say, 5PSI be an issue?
I'm going to do my best to recreate the relief housing dimensions to within a thousandth, but I could still be off.

I'll have to measure the travel of the piston from full-closed to the cracking surface, and run the numbers to find out how the spring rate and preload factor into it.

Oy vey, the things I get myself into!


1990 Power Ram 50 V6 SOHC 24V 6g72

I can be wrong, don't take everything I say as verbatim, please fact-check first.
My posts are my personal opinions and thoughts, unless otherwise noted.

DeliveryValve
Superturbo

1,338
04-13-2011, 08:31 PM #9
(04-13-2011, 08:11 PM)300D50 But does the engine ever hit 7 bar in normal use?
I guess what I'm trying to get at is, would a variation of, say, 5PSI be an issue?
...

Yes it does. It will hit 7 bar past 3,000 rpms. I think 5psi variance is not an issue. Any more then it might.




.

Gota love Mercedes Diesels!



.
DeliveryValve
04-13-2011, 08:31 PM #9

(04-13-2011, 08:11 PM)300D50 But does the engine ever hit 7 bar in normal use?
I guess what I'm trying to get at is, would a variation of, say, 5PSI be an issue?
...

Yes it does. It will hit 7 bar past 3,000 rpms. I think 5psi variance is not an issue. Any more then it might.




.


Gota love Mercedes Diesels!



.

 
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