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05-23-2012, 05:27 PM | #51 | |
Scooby Guru
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MAIC
Location: Milton Keynes, UK
Vehicle:96 3MI Racing search FIRST, then PM!!! |
Quote:
I just debur, radius some edges and do some opening up.
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05-23-2012, 06:47 PM | #52 |
Scooby Specialist
Member#: 165104
Join Date: Nov 2007
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SCIC
Location: Riverside CA
Vehicle:E85 SoCalPorting Owner |
I'm actually doing this now so I'll update this in a min but here is a pic of what you need to port and smooth out. Arrows pointing right at them lol |
05-23-2012, 06:52 PM | #53 |
Scooby Newbie
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Join Date: Mar 2008
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Ah thanks! I was starting to think I was slowly going insane and seeing shapes of faces in oil blotches. Haha I even googled an image of Indiana and compared it to the plate. I fell better knowing this.
Canadian eh? Gotta learn my US state geography and EJ257b anatomy. |
05-23-2012, 08:35 PM | #54 |
Scooby Specialist
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Join Date: Nov 2007
Chapter/Region:
SCIC
Location: Riverside CA
Vehicle:E85 SoCalPorting Owner |
Before
After bypass and inlet area removed of restrictions. steps removed that impeded flow gear area smoothed out exit hole enlarged to match seal area and radiused gear area knive edged on the exit and tapered into this takes a steady hand and I will caution everyone to be careful! dont run with scissors.. |
05-23-2012, 08:43 PM | #55 |
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Looks good! Definitely going to do this to my pump when I pull the motor out
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05-23-2012, 08:57 PM | #56 |
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Join Date: Apr 2010
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MWSOC
Location: Marshall, MI
Vehicle:2009 WRX 2014 Forester XT |
This is my P&L ported 11mm pump for you guys to reference.
Kind of crappy pics but you get the idea. I plan on porting a couple of the passages on my block at some point. I know I bought that die grinder for a reason more than just my TGV's. |
05-23-2012, 09:06 PM | #57 |
Scooby Specialist
Member#: 165104
Join Date: Nov 2007
Chapter/Region:
SCIC
Location: Riverside CA
Vehicle:E85 SoCalPorting Owner |
I would actually stay away from the bypass area^^
One little burr or sharp edge and that plungers sticking.. As mentioned, very sensitive work |
05-23-2012, 10:52 PM | #58 |
Scooby Specialist
Member#: 93667
Join Date: Aug 2005
Chapter/Region:
MWSOC
Location: Cincinnati,Oh
Vehicle:'03 Build'n a 2.12L 331whp/331wtq |
Thanks for the pictures guys! Going to do this for sure and I agree wrxsubiemod, I am going to just de-burr the bypass area. Not sure what the gains would be screwing with the bypass anyhow? Possibly help with not not heating the bypassed oil up?
I'll post pics when I do my pump, but it is going to be a while. I haven't ordered my pump yet. I just replaced mine about 8k ago and might just use it if I don't find any crap in the motor when I go to do my swap. I haven't had any type of failure with my current engine, so it should be ok. It's an 11mm pump and I don't want to get a new one if there is nothing wrong with this one on my current block. I am going to replace the cooler because I have no way to inspect it. The pump on the other hand can be inspected and cleaned. |
05-23-2012, 11:08 PM | #59 |
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Some pics of my block. Nothing different that what has already been posted.
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05-23-2012, 11:24 PM | #60 |
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Join Date: Dec 2008
Chapter/Region:
MAIC
Location: Virginia
Vehicle:2005 WRX/STi WRB of course |
Make sure you DO NOT open up the port going into the block from the oil pickup. Increasing that diameter or adding a radius to that surface can cause the o-ring to not seal properly and you will suck air. This area is also not even close to being a restriction and there's no reason to touch it.
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05-24-2012, 12:43 AM | #61 |
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Vehicle:96 3MI Racing search FIRST, then PM!!! |
I would certainly hope that anyone doing any porting on the oil pump would have it completely disassembled and cleaned before even thinking about putting it into use.
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05-24-2012, 12:52 AM | #62 |
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Vehicle:E85 SoCalPorting Owner |
^ I agree, and can not stress enough how careful one needs to be with the oil pump.
How many oem pumps fail on start up? How well can someone trust themselves to do a better job than OEM? |
05-24-2012, 06:02 PM | #63 |
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A beautiful thing. Thanks to everyone for sharing.
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05-24-2012, 10:51 PM | #64 | |
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Member#: 93667
Join Date: Aug 2005
Chapter/Region:
MWSOC
Location: Cincinnati,Oh
Vehicle:'03 Build'n a 2.12L 331whp/331wtq |
Quote:
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06-04-2012, 01:36 PM | #65 |
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Tri-State
Location: GTX3576R 05GD, GTX3076R'd FXT
Vehicle:GTX 3071R'd 11WRX PPG,4.44,LSD,E85,6spdx3 |
Any updates and or pics from anyone? I havent had time but should do a lil work on my FXT block halves before everything goes in... Also thinking about doing a lil work on my 11mm oil pump.
Thanks Ian, |
06-04-2012, 06:32 PM | #66 |
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Join Date: Aug 2005
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Hey smitty5788, I am just pointing this out so if you haven't done it, you can, but the port from the pump to the block really needs to be radiused the opposite way that you did. The port to the block split goes nowhere and is blocked off and is only there so they can machine the galley to the oil filter. You need the other side to flow better being that the oil is flowing to the filter if you catch what I'm saying? I radiused both, but the side leading to the filter is radiused MUCH more than the other way going to the split.
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06-06-2012, 08:41 AM | #67 |
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Vehicle:2002 35r wrx Silver |
The 11mm oil pump by the by pass area is really thin in the first place, I wouldn't even touch it with a porting bit, maybe polish it up that is it. The first 11mm pump we started to port on, and it as very light! We blew through the wall on it. SO just a little warning.
I have done a ton of block porting, What I found is just keep it simple and don't get porting happy. The pick up tube area Just radius the flat edges and then leave the pick up hole alone. The other side of the block "oil pump o ring area" port the bump out of the block. o ring match it as well. Then I take all of the oil hole ridges and smooth every hole, head matting side too. Radius the oil filter side and open it up Just as CrazyKev posted.. I all ways run Subaru oem 11mm oil pump they are plenty for just about every car even high horse power. 12mm pump have there issues , and if you are running a 12mm check how tight the pump gear cover bolts are, I have seen them lose right out of the box. |
06-06-2012, 09:03 AM | #68 |
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Location: GTX3576R 05GD, GTX3076R'd FXT
Vehicle:GTX 3071R'd 11WRX PPG,4.44,LSD,E85,6spdx3 |
^^^Thanks Shaun!!!^^^
Last edited by rexworx; 06-07-2012 at 11:38 PM. |
06-07-2012, 11:50 PM | #69 |
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Location: GTX3576R 05GD, GTX3076R'd FXT
Vehicle:GTX 3071R'd 11WRX PPG,4.44,LSD,E85,6spdx3 |
Well I did most of all my work above to the block im building for the fxt. I was looking at the through the machined hole in the bearing journal. I could see the machining didnt go all the way through to the oil galley that feeds them. The hole is machined to around 1/4", but the casting hole is only about 1/8-3/16" on #3 and #5.
I really want to just punch them out to 1/4" with a drill bit. Anyone doing this? Thanks, Ian, Last edited by rexworx; 06-08-2012 at 08:22 PM. |
06-08-2012, 07:02 AM | #70 |
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Vehicle:'03 Build'n a 2.12L 331whp/331wtq |
I can say I haven't enlarged any of the galleys, just really smoothed them out and got rid of steps. Not saying it would be a bad idea, but I just don't know?
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06-08-2012, 08:10 AM | #71 |
Scooby Guru
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Join Date: Dec 2005
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Location: GTX3576R 05GD, GTX3076R'd FXT
Vehicle:GTX 3071R'd 11WRX PPG,4.44,LSD,E85,6spdx3 |
Yeah I cant see it being a bad thing... If you look into the hole on the bearing journal you will see the casting imperfections at the bottom of teh hole right where oil makes a 90* turn.
Im not too good at explaining things sometimes sorry. |
06-08-2012, 08:12 AM | #72 |
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Join Date: Dec 2005
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Location: GTX3576R 05GD, GTX3076R'd FXT
Vehicle:GTX 3071R'd 11WRX PPG,4.44,LSD,E85,6spdx3 |
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06-08-2012, 08:30 AM | #73 |
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subscribing for future project
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06-08-2012, 08:32 PM | #74 |
Scooby Guru
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Join Date: Dec 2005
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Location: GTX3576R 05GD, GTX3076R'd FXT
Vehicle:GTX 3071R'd 11WRX PPG,4.44,LSD,E85,6spdx3 |
Well I opened up the holes in the casting where the machined holes feed the journal bearings. I used a 1/4 drill bit and opened up the bottom of the hole to match the machined size. Sorry Im terrible at explaining things. does thats make sense at all?
Now that a have done it I fear I effed up big time and shouldnt have touched them. Maybe subaru did this for a reason? I assume no but Im trembling non the less. So anyone, Was this a really bad idea? I know I should have taken the time to reasearch this more before I did it. I dont know what I was thinking. |
06-09-2012, 09:56 AM | #75 |
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Well from what I can see, DO NOT open up the restricters. Dont be a dbag like me!
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