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Which OFH should I run?!


GSXftw
Member
1722/2000


Galant VR-4 org Post #: 1221450 posted 12/08/15 06:21 PM     Remind Me!  Send Private Message   Edit Post      
The final piece to the puzzle before the engine is good to go. Here is where I'm at


Last time I ran this engine, it was in my dsm, with a side exit and alt in the rear. Once I pinned the sandwich cooler bolt it worked great. Before that when it had exhaust to the rear, I had a mighty max forward facing OFH, which did not have a cooler. I did not like no cooler, and low oil pressures when hot. I also dont like sacrificing oil pressure all the time to run through a cooler on a bypass style, so if an external cooler is used Id like to use a thermostat. This is my first GVR4 build and with AC/FMIC I dont expect a lot of room to play with. Im wanting the most cost efficient way of making this work without adding a lot of stuff in the way. The options Ive played out in my head are-
-NOTE- I know these may not be exactly the right thread/item in the links, just examples
____________________________________________________________________
Keep the sandwich cooler, get a low profile remote filter kit like this
click
So thats $100, add another $100 in AN fittings, and it SHOULD work
___________________________________________________________________
Use the FFOFH, and get an aftermarket sandwich (coolant type) oil cooler. I havent been able to find one yet, but Im sure they make them.
___________________________________________________________________
Use the FFOFH, get a sandwich adapter like this
click

and do an oil thermostat, temp gauge, external cooler (have that one already)then tap the pan or block for a return fitting after the cooler
___________________________________________________________________

Thanks everyone



1722/2000- Burn victim rescue
91 GSX- 11.66 @ 126 donated to save ^
97 TSI AWD - daily
97 GST- 14.7 @ 100 *sold*
82 Supra 7mgte- 12.66 @ 116
77 Camaro- 12.9 @ 107

Posts: 112 | From: medford, OR | Member Since: 12/22/14 | IP: (71.84.139.226) | Report this post to a Moderator

EMX5636
Carbon Fiber Cage
108/2000


Galant VR-4 org Post #: 1221485 posted 12/09/15 08:58 AM     Remind Me!  Send Private Message   Edit Post      
I personally don't care for aftermarket cooler plates/sandwich plates/filter relocations etc. If you want the cooler, swap to a 90 DSM housing, and make your own lines (or use the OEM ones if in good shape. Then you get the thermostat and built in pressure bypass if the cooler plugs, and no less room than the 91-94 housing. I deleted the factory sandwich cooler on my 91 housing to gain a bit of downpipe clearance and remove some clutter. If I ever swap housings, it will be for the 90 setup I have laying around.



91 #108/2000- link
97 Kawi ZX7R Street / 03 ZX6R Track
03 Kawi KLX400R Supermoto
05 CTS-V
09 Hummer H3T

Posts: 1630 | From: Bucks County, PA | Member Since: 06/28/08 | IP: (2601:49:102:1540) | Report this post to a Moderator

Street Surgeon
Professor Street Surgeon
501/1000


Galant VR-4 org Post #: 1221492 posted 12/09/15 09:47 AM     Remind Me!  Send Private Message   Edit Post      
I had a little clearance issue on my old 1G and ended up running a '90 OFH w/cooler but simply relocated the oil filter itself with this adapter, some lines, and this filter mount. That specific mount let me run a Ford Mustang (large 3001 style) filter though you could get one to suit the M20x1.5mm threads a mitsu filter uses. Alternatively, on my current build I'm running the forward facing oil filter housing with a Greddy thermostatic oil filter/adapter block p/n 12401126 so that it gets the filter out of the way, but still runs the lines to an air/air oil cooler. Note that this particular housing also has a built in thermostat etc.



Cory O.
'92 Mitsubishi Galant VR-4 501/1000
Heavily modified, barely driven, some assembly required.


Edited by Street Surgeon (12/09/15 10:00 AM)

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GSXftw
Member
1722/2000


Galant VR-4 org Post #: 1221512 posted 12/09/15 02:29 PM     Remind Me!  Send Private Message   Edit Post      
Thanks for the replies guys. Yeah after the research last night I did see some of the sandwich adapters like that greddy with the built in thermostat. I like that idea a lot of not having an external Tstat, and keeping things as uncluttered as possible. I cant run a 90 OFH "as is"...I had one and just sold it actually, the oil filter is still totally in the way of DP and I'd still need to buy the remote kit. Well I think I will go over these options and crunch the #s and see what makes the most sense.



1722/2000- Burn victim rescue
91 GSX- 11.66 @ 126 donated to save ^
97 TSI AWD - daily
97 GST- 14.7 @ 100 *sold*
82 Supra 7mgte- 12.66 @ 116
77 Camaro- 12.9 @ 107

Posts: 112 | From: medford, OR | Member Since: 12/22/14 | IP: (96.41.139.26) | Report this post to a Moderator

EMX5636
Carbon Fiber Cage
108/2000


Galant VR-4 org Post #: 1221526 posted 12/09/15 09:09 PM     Remind Me!  Send Private Message   Edit Post      
Do you already have the downpipe made? I'm sure that the downpipe if pie-cut could clear without too much issue. Of course if you're already past that stage, then a remote/aftermarket setup might be your only option.



91 #108/2000- link
97 Kawi ZX7R Street / 03 ZX6R Track
03 Kawi KLX400R Supermoto
05 CTS-V
09 Hummer H3T

Posts: 1630 | From: Bucks County, PA | Member Since: 06/28/08 | IP: (2601:49:102:1540) | Report this post to a Moderator

GSXftw
Member
1722/2000


Galant VR-4 org Post #: 1221539 posted 12/10/15 01:57 AM     Remind Me!  Send Private Message   Edit Post      
No, not till it goes in the car. Ive already done it once with pie cuts though, its a bitch! but yeah I did think about continuing the tight transition past the alternator and getting around the oil filter. For now Im gonna put on the FFOFH, and thatll be good enough to put the engine in the car. Then I can start mocking up the rest



1722/2000- Burn victim rescue
91 GSX- 11.66 @ 126 donated to save ^
97 TSI AWD - daily
97 GST- 14.7 @ 100 *sold*
82 Supra 7mgte- 12.66 @ 116
77 Camaro- 12.9 @ 107

Posts: 112 | From: medford, OR | Member Since: 12/22/14 | IP: (71.84.139.226) | Report this post to a Moderator

slugsgomoo
god hates stupid people
461/1000


Galant VR-4 org Post #: 1222230 posted 12/28/15 12:27 PM     Remind Me!  Send Private Message   Edit Post      
I'm running a FFOFH because of fitment, and I will never, ever run a sandwich cooler on a car ever again, even pinned/etc. Too risky to me.

Add on top of that that the water/oil cooler from the factory was to address oil temps not getting hot fast enough in the 90 cars, and our issues are more around thermal load/capacity (let's add more load to an already overtaxed cooling system, hooray!) oil to air is the only thing worth considering. I will run NO oil cooler before I waste my time with a sandwich again, but then I don't see any reason to have a heat exchanger medium that cannot cool below 200*f when I want my oil to run ~180*F



I will admit that my oil cooler size has caused me some issues so I'm going to switch out for a smaller setrab and move it into the area behind what would be a front brake duct in the jdm bumper.

I will say that I love this setup because with the FFOFH you can't feed from the housing (typically) and I wanted to avoid using the head feed. My adapter runs the send to the remote filter which sends clean output to the turbo & thermostat, the thermostat loops to the cooler, and under 180* will bypass 90% of flow back to the housing.



I like having the remote filter partly because it gets it away from the heat, and adds capacity (the filter I'm running holds nearly a quart) which can't hurt. the external thermostat isn't perfect, but i had issues fitting my downpipe even with the spin on adapater & AN lines (originally mocked up with an NT filter housing).

Anyway, YMMV.



-andrew
{witty signature}
#461 Kensington Grey - 2.0L/T67/etc
2015 Triumph Tiger 800 XCx
2014 Ford Focus ST


Edited by slugsgomoo (12/28/15 12:28 PM)

Posts: 3713 | From: Tacoma, WA | Member Since: 10/16/03 | IP: (209.189.196.1) | Report this post to a Moderator

GSXftw
Member
1722/2000


Galant VR-4 org Post #: 1222280 posted 12/30/15 04:27 AM     Remind Me!  Send Private Message   Edit Post   
Thanks man. Yeah I have raced since I was 15 (31 now) and hadnt oiled the track down until this year, did twice in my 1G due to the cooler working loose, even red loctite and all. I pinned it and didnt have issues after. Now that this setup is in the GVR4, its the FFOFH, and will eventually do something very similar to this. I run the 51381 filter, and it BARELY clears the front to back crossmember. So yeah external oil filter and external cooler coming up.



1722/2000- Burn victim rescue
91 GSX- 11.66 @ 126 donated to save ^
97 TSI AWD - daily
97 GST- 14.7 @ 100 *sold*
82 Supra 7mgte- 12.66 @ 116
77 Camaro- 12.9 @ 107

Posts: 112 | From: medford, OR | Member Since: 12/22/14 | IP: (71.84.139.226) | Report this post to a Moderator


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