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CA-S13
 Post subject: Oil pressure buildup
PostPosted: Sun Jul 05, 2009 9:12 pm 
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T25

Joined: Fri Jun 26, 2009 10:53 am
Posts: 10
Location: Bayside Brisbane
Car: Nissan S13 1990
hi in my s13 silvia when im around the 8000rpm in hi boost the oil dipstick pops out spraying oil everywhere anyone know what the issue is there? i was gonna get a bit of wire to hold the dipstick in but my mate said it may be a good thing that the dipstick it poping out to release the excess oil pressure rather than blowing an oil line or something else??
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DumHed
 Post subject:
PostPosted: Sun Jul 05, 2009 9:21 pm 
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Takumi
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Joined: Fri Feb 01, 2002 11:00 am
Posts: 4779
Location: building!
Car: Silvia
most likely your crankcase breather lines are blocked (if you have an aftermarket catch can it's probably plumbed up wrong)

If not, then the engine is making major blow by (worn rings - needs rebuild)

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CA-S13
 Post subject:
PostPosted: Sun Jul 05, 2009 9:47 pm 
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T25

Joined: Fri Jun 26, 2009 10:53 am
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Location: Bayside Brisbane
Car: Nissan S13 1990
thats what i was thinking it something to do with the catch can setup

http://www.boostcruising.com/forums/ind ... &id=804763
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DumHed
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PostPosted: Mon Jul 06, 2009 12:57 pm 
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Takumi
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Posts: 4779
Location: building!
Car: Silvia
yep, catch can is plumbed up wrong.
There is nowhere for the pressure to escape, so it blows the dipstick out.

The hose from the front left of the engine should go to the manifold, via the PCV valve as in the factory setup.
If you don't have a PCV valve there any more you're best off blocking the fitting into the intake manifold, then running both of the ports from the engine into one of the catch can inlets.

The other fitting on the catch can then needs to go into the intake pipe, after the AFM but before the turbo - or can be vented, via a small filter (but this will collect oil and drip - and is not legal)

If you have all the factory bits you're best off putting it back to standard, then connecting the catch can in line with the pipe going from the engine to the intake pipe.

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red_dragons13
 Post subject:
PostPosted: Mon Jul 06, 2009 10:48 pm 
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T28

Joined: Mon Feb 16, 2009 9:24 pm
Posts: 31
Location: nortthern beaches
Car: silvia
or just piss off all breather lines and run em down to the ground like i did it works great and was cheap and has no dramas!!!!

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cypher1024
 Post subject:
PostPosted: Tue Jul 07, 2009 8:09 pm 
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SilviaNSW Supporter
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Joined: Sun Aug 03, 2003 3:48 pm
Posts: 3683
That's also illegal....
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rk2k9
 Post subject:
PostPosted: Tue Jul 07, 2009 8:16 pm 
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TO4

Joined: Sun Jun 14, 2009 1:46 pm
Posts: 234
Car: 200sx S14.5
red_dragons13 wrote:
or just piss off all breather lines and run em down to the ground like i did it works great and was cheap and has no dramas!!!!



hahahh that's the most efficient way !
but someones gonna cop it eventually..
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Fusion
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PostPosted: Tue Jul 07, 2009 9:17 pm 
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T03
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Joined: Wed Mar 19, 2003 8:16 pm
Posts: 146
Location: Mid-corner under brakes...
Car: 180SX Type X & S15 Spec Aero
i run a catch can but just run to atmo on the outlet.....cop pulled me up but couldn't work it out. :lol:

He was more worried about my "extractors", "pipes everywhere" and "is this turbo"....

Safety in numbers of mods...
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nath
 Post subject:
PostPosted: Tue Jul 07, 2009 9:40 pm 
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T28 Hybrid
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Joined: Tue Apr 08, 2008 8:11 pm
Posts: 61
Location: walking
Car: 180sx
red_dragons13 wrote:
or just piss off all breather lines and run em down to the ground like i did it works great and was cheap and has no dramas!!!!


i used to do that to an old celica i had

but i put the breather lines into the chassis rail so the oil would condense and slow down the rust
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513DORIPIG
 Post subject:
PostPosted: Thu Jul 09, 2009 12:57 pm 
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T28
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Joined: Thu Nov 13, 2008 12:48 pm
Posts: 42
Car: S13 DRIFT PIG
nath wrote:
red_dragons13 wrote:
or just piss off all breather lines and run em down to the ground like i did it works great and was cheap and has no dramas!!!!


i used to do that to an old celica i had

but i put the breather lines into the chassis rail so the oil would condense and slow down the rust



oh thats a gold idea maby i need that to slow down the rust in my nugget lols

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