Wheres my oil going?
plays well with others
iTrader: (1)
Joined: Aug 2006
Posts: 9,923
From: Sac
Car Info: your mother crazy
So I have been noticing a trend that I lose about 1qt of oil after about 1500-2000. I look under my car and don't see any oil and the ground where I park doesnt have any noticeable oil stains. Any idea whats going on? Is it my vf39 thats burning it? I dont see any smoke coming from it so im just unsure. Looking for ideas that I can check. I had my valve covers replaced last year and I replaced the turbo return line (what a PIT!) about 6months ago.
Thanks!
Thanks!
Thread Starter
Registered User
Joined: Nov 2011
Posts: 1,502
From: Salinas
Car Info: 2003 WRX Wagon EJ25
its an ej25 hybrid w/vf39 & STi Topmount. I bought it with these mods already done and I added a Turboback exhaust, im pretty sure the previous owner slapped on the OEM exhaust to get it smogged before he sold it.
Last edited by runboyrun; Dec 10, 2013 at 03:06 PM.
iClub Silver Vendor
iTrader: (12)
Joined: Mar 2003
Posts: 8,228
From: 631 Railroad Ave. Fairfield, CA
Car Info: A Laptop
If it's an OEM EJ257 with stock pistons, I'm willing to bet a cracked ringland is your culprit. Time for a compression/leakdown test. Or just keep putting oil in it 
-- Ed

-- Ed
Thread Starter
Registered User
Joined: Nov 2011
Posts: 1,502
From: Salinas
Car Info: 2003 WRX Wagon EJ25
Yeah, being the semi-poor college student that I am, I wish I had the money to get tests done, and head up to you guys for a proper tune/maintenance. Maybe some day haha.
iClub Silver Vendor
iTrader: (12)
Joined: Mar 2003
Posts: 8,228
From: 631 Railroad Ave. Fairfield, CA
Car Info: A Laptop
-- Ed
good luck!
Registered User
iTrader: (18)
Joined: Dec 2013
Posts: 3,228
From: Santa Cruz, California
Car Info: 2006 obp wrx limited sedan
Just switched to t6 5w40 myself. Only had 1/3 qt consumption after a 9k oci on rp530 tho. Most was blow by.
We shall see the difference with the new oil...
+1 for the borescope.
If ur in foster city weekdays after 8pm hit me up and you can use the borescope i got here at work.
We shall see the difference with the new oil...
+1 for the borescope.
If ur in foster city weekdays after 8pm hit me up and you can use the borescope i got here at work.
Thread Starter
Registered User
Joined: Nov 2011
Posts: 1,502
From: Salinas
Car Info: 2003 WRX Wagon EJ25
Just switched to t6 5w40 myself. Only had 1/3 qt consumption after a 9k oci on rp530 tho. Most was blow by.
We shall see the difference with the new oil...
+1 for the borescope.
If ur in foster city weekdays after 8pm hit me up and you can use the borescope i got here at work.
We shall see the difference with the new oil...
+1 for the borescope.
If ur in foster city weekdays after 8pm hit me up and you can use the borescope i got here at work.
Registered User
iTrader: (18)
Joined: Dec 2013
Posts: 3,228
From: Santa Cruz, California
Car Info: 2006 obp wrx limited sedan
General Pimpin'
iTrader: (7)
Joined: May 2003
Posts: 23,019
From: Knee deep in beer. subabrew crew, ca.
Car Info: MY04 aspen wrx wagon.
Registered User
iTrader: (18)
Joined: Dec 2013
Posts: 3,228
From: Santa Cruz, California
Car Info: 2006 obp wrx limited sedan
Registered User
iTrader: (9)
Joined: Sep 2011
Posts: 3,037
From: Los Altos, CA
Car Info: 2002 Impreza RS, 2005 Impreza RS-20K
compression/leakdown tests are by far the best and easiest test to check for worn rings. as stated, its as simple as removing plugs and coil and giving her a few cranks. be sure to have batt charging as this drains a lot of power. test kits can be rented or bough at any auto store or u can pick up a cheap HFT set. although, id suggest renting one. GL bud!
General Pimpin'
iTrader: (7)
Joined: May 2003
Posts: 23,019
From: Knee deep in beer. subabrew crew, ca.
Car Info: MY04 aspen wrx wagon.
And I saw that it was quoted after I posted. I hadn't read those 2 posts.


