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Old 02-20-2010, 04:07 AM
McTaff's Avatar
McTaff McTaff is offline
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Oil Pressure

Hi guys,

I was wondering if anyone has drive-tested the oil system in the SVX for pressure:

1- Before/during start
2- At idle and cruise
3- Under load (maximum acceleration and braking)
4- While cornering (aggressive street or typical track forces)

I am looking at installing an oil pressure accumulator. The main aim is for a pre-start oil lubrication run.

The system allows for a 'surge' capability in case there is pressure loss due to acceleration and cornering, so I would like to know if there is an appreciable pressure drop (shown with data from a real-world test) during "spirited driving" to figure out whether it's worthwhile to spend the extra dollars, and to see what pressure range I need it to operate in.

(I also figure it'd be useful to anyone else out there thinking about modifying the oil system to at least have the data up here)

Thanks in advance for any data to help us out!
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Old 02-21-2010, 07:12 PM
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McTaff McTaff is offline
Mr Soob
 
Join Date: May 2005
Location: Sydney, NSW, Australia.
Posts: 287
Re: Oil Pressure

If no-one has test results from any previous stuff:

Anyone have the oil pressure ranges from the Service Manual, or know what the normal operating pressure is?
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'07 Outback (Legacy) Pearl White > 3.0R Premium, stock (50,000km, Wifes daily driver. Owned from new) Not For Sale
'92 SVX Black on Pearl White > 6spd, DCCD on the way. (260,000km, My daily driver, 2 previous owners) Not For Sale
'93 SVX Black on Charcoal > Aftermarket rims.(250,000 km, Dad's daily driver, unknown owners) Not For Sale
'93 SVX Black on Burgundy > Completely stock, under preservation, treated like a princess. (55,000km, 1 previous owner) Not For Sale
'92 SVX Black on Burgundy > Completely stock, under preservation, treated like a princess. (144,000km, 2 previous owners) Not For Sale
Wife, Red Hot when riled > Treated like a princess. Minister For Finance, Domestic Affairs and Diplomatic Relations. Definitely Not For Sale
My Wanted List: http://www.subaru-svx.net/forum/show...178#post632178
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Old 02-21-2010, 10:17 PM
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svxfiles svxfiles is offline
There's a storm coming.
 
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Re: Oil Pressure

Quote:
Originally Posted by McTaff View Post
If no-one has test results from any previous stuff:

Anyone have the oil pressure ranges from the Service Manual, or know what the normal operating pressure is?
Believe it or not the light goes off at 2.1 psi.
At 176°f, and 600 RPM the pressure "is" 14 PSI
At 5000 RPM its 43 PSI.

The relief valve opperation pressure is 85 PSI.
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