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2004-2007 Cadillac CTS-V Performance Mods Discussion, AAIIIC's oil cooler thread in Cadillac CTS-V Series Forum - 2004 - 2007; good to know, Junior1 - I'll likely run the oil cooler up front, then. i like that the improved racing ...
  1. #151
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    Re: Extnal oil and trans coolers

    good to know, Junior1 - I'll likely run the oil cooler up front, then.

    i like that the improved racing adapter has a place for the temp sender and even an extra port for a turbo or accumulator, if you want it. (Anyone run an accumulator?) It ships with the -10 fittings and AN plugs too...

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    Re: Extnal oil and trans coolers

    Quote Originally Posted by crankedupforit View Post
    What did you wind up using for an adapter to run the lines from the oil filter Chris? Improved Racing? Your car has headers right?
    Yes I'm running Kooks headers on the car. The Improved Racing one was a no go with the -12's. We ended up using an adapter similar to this:
    Then we plugged up one side and drilled/retapped a new opening into the side. The lines are now 90 degrees away from each other.
    I've been in talks to have them just make up the adapters to make life easier for guys trying to run a cooler with the headers. The old Grand-Am and T2 cars never had the problem because rules dictated them to run stock manifolds...
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  3. #153
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    Re: Extnal oil and trans coolers

    Quote Originally Posted by Junior1 View Post
    Yes I'm running Kooks headers on the car. The Improved Racing one was a no go with the -12's. We ended up using an adapter similar to this:
    Then we plugged up one side and drilled/retapped a new opening into the side. The lines are now 90 degrees away from each other.
    I've been in talks to have them just make up the adapters to make life easier for guys trying to run a cooler with the headers. The old Grand-Am and T2 cars never had the problem because rules dictated them to run stock manifolds...
    Chris do you think the improved racing would work if using smaller -10 fittings with Kooks headers? I was planning to (eventually) go with -10 size.

    -Chris
    2005 CTS-V:No Roof|T2+Eibachs|Corsa|UUC:Shifter, 2pc rotors, B-Lines, Motor/Tran Mounts, Diff Bushings|LPE CAI|FFV IntakeTube|Hotchkis Sways|Kooks 1.75 Coated LTs+cats|KARS III |Mamofied Fast90 + NW90|224/228 111+0 XFI/XE-R .609/.588+Dual Springs|ATI 25% UD Pulley|YT 1.7" UltraLites|Melling HiFlow OP|Cloyes Hex Adjust Timing Set|Lucas 42# Flow Matched Injectors|Katech LS9X Twin-Disk ClutchMustang Dyno Tuned (SAE): 412rwhp / 380 rwtq
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  4. #154
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    Re: Extnal oil and trans coolers

    Quote Originally Posted by trukk View Post
    Chris do you think the improved racing would work if using smaller -10 fittings with Kooks headers? I was planning to (eventually) go with -10 size.

    -Chris
    I'm almost certain they had something very similar to the Improved one and no matter how they tried routing the line it ended up too close for their liking. HOWEVER I don't think they ever tried any of them with -10 as the plan was -12 from the start...
    You may have to get one and try all sorts of adapters. I got lucky as they had plenty fittings and such around the shop.
    Next time I go down, I'll get some detailed pics. I can't see why my setup wouldn't work in a -10
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  5. #155
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    Re: Extnal oil and trans coolers

    Quote Originally Posted by Junior1 View Post
    I'm almost certain they had something very similar to the Improved one and no matter how they tried routing the line it ended up too close for their liking.
    That's the conclusion I've come to with the TPIS adapter. Although it's a bit bigger than the Improved Racing piece, I think the ports are oriented very similarly. The TPIS part itself clears the Kooks headers just fine, and the Improved one would fit (slightly) better, but I just couldn't find any way to route the lines that wouldn't pass them too close to the headers at one point or another.

  6. #156
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    Re: Extnal oil and trans coolers

    Quote Originally Posted by AAIIIC View Post
    That's the conclusion I've come to with the TPIS adapter. Although it's a bit bigger than the Improved Racing piece, I think the ports are oriented very similarly. The TPIS part itself clears the Kooks headers just fine, and the Improved one would fit (slightly) better, but I just couldn't find any way to route the lines that wouldn't pass them too close to the headers at one point or another.
    Thats exactly what it was...
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  7. #157
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    Re: AAIIIC's oil cooler thread

    I finally got my oil cooler setup installed last week. When I went looking for a thread to post in, I found a number of possibilities, so I asked the moderators to merge them together (hence the thread title being changed to "AAIIIC's oil cooler thread").

    Now, on to my update...

    So, I finally actually installed an oil cooler setup on the car! Last year, when I got it all back together, I told myself that I wouldn't take it back to the track without an oil cooler. I scheduled back-to-back events in November at VIR, so after some of my typical procrastinating, in October/November, I pulled the front bumper off and fiddled around a bit trying to figure out how to make things fit. I knew that at some point the car had been in a front end collision of some sort, and I confirmed that with these braces - note the twisted/bent driver side one:


    I ended up just ditching that part for now, although I might see about replacing it the next time I have the bumper off.

    As a number of us have discovered, the packaging issues really become a pain in the arse if you've done headers. The placement of the header primaries and collector on the driver side preclude using the LS-specific take-off adapters that a number of companies (TPiS, Mocal, Lingenfelter, Katech, etc) sell, and also make it difficult to use a sandwich adapter. So, I elected to use a "normal" take-off adapter in place of the oil filter, which means a remote filter mount has to be used, but there's literally no room in the engine bay to put said remote filter mount! I've crawled all over under the car trying to figure something out, but in the end I elected to follow the lead of crankedupforit - I put the remote filter mount in front of the driver side wheel, tucked behind the fender liner. Pics of that later...

    Anyway, back in October/November I was planning to use the Greddy combined remote mount / oil thermostat in that location behind the fender liner, but it turned out it wouldn't fit. Since it's a combined unit, it's bigger than just a "normal" remote mount, and once I added on appropriate -10AN hose ends it just wasn't going to work. Of course, I figured this out within a week of the planned November track events, so I elected to break my own promise to myself and go to the track events without an oil cooler. To spite me, on day 1 of the planned 4 days, the alternator died, so I had to tow the car home and replace it with my Subaru to finish the events.

    Fast forward to February/March. My first event of the season was scheduled for March 9/10. After a couple of months of the car mostly sitting in the garage and me thinking I need to get off my ass and do the oil cooler, I finally got started with about 6 days to go. Off came the bumper again, and I looked through the various plumbing and shiznit I've amassed over the past couple years and figured out a plan of attack.

    For the cooler location, a few folks have mounted their cooler to the big steel bumper beam, but I wanted it a bit farther back, against the condenser. Here it is mocked up:




    (That also shows my replacement PS cooler. It's a generic trans or PS cooler that I pulled off a junkyard car and bolted to the stock PS cooler bracket.)

    I initially planned to install the cooler with the inlet/outlet pointing down (for easier access to the connections), but in the end I couldn't make the hose routing work that way, so I have the inlet/outlet pointing up. That means the hose connections are kind of buried under the radiator support, behind that vertical section. I installed the hoses onto the cooler, then bolted the cooler into position, then connected the hoses to the oil thermostat. That was much easier said than done! Getting the cooler mounted with the hoses already in place (and partially blocking the bracket bolt holes I needed to get to) took some patience and finger dexterity.

    Positioning the oil thermostat was another challenge. I had purchased an Earl's t-stat because buying that plus the 4 -10AN o-ring fittings needed was cheaper than buying the Mocal thermostat. However, I think the Earl's part is bigger (just based on pics of the Mocal one), and that made finding a spot to place it difficult. In the end I decided to mount it behind the bumper beam, bolted to the top of the PS cooler bracket. That bracket is a healthy chunk of c-channel steel, so it should work out just fine.



    Here's the cooler installed, with the lines running to/from the thermostat:







    In the first picture you can see the line going back to the engine has already been installed, so I was close to done at that point. In the last pic (from below) you can see the piece of angle aluminum bolted to the bumper beam and the bottom of the cooler to provide some rigidity. The cooler feels nice and solidly mounted.

    As for the remote filter mount, I'm not even sure what brand it is - it's a used part I had sitting around with my collection of parts. It's got a 3/4" nipple vice a 13/16" nipple, so I might end up swapping it out for something else just so I can use the filters I've got (and not have to learn a new part number to look up when it comes to oil changes). Here it is with the fender liner removed:


    The line that is installed there is the supply to the filter from the take-off adapter. That's the first line I made, and it's got some high temp / abrasion resistant sleeving wrapped around it due to the tight confines it comes through to get to the filter mount. My first attempt at that hose I decided was just a little bit too short, so I made another one 2" longer (to give more slack to play with), then chopped the first one into two pieces to make a couple of the other lines.

    Everything clears nicely with the brake cooling duct installed:


    I was going to use 2 45* fittings off the remote mount, but they interfered with each other due to the way I wanted to route them, so instead I used a 90* NPT-to-AN adapter that I had in my collection of parts. The bottom line is the outlet of the filter and goes to the oil t-stat. That was the last line I made.

    As for the oil filter take-off adapter, it's a Hamburger's Performance piece, which has 12AN ports. The downside is it's a bit taller than some of the other, less blingy take-off adapters, so I might swap it out, too, to make the hose routing a bit easier. Here's the take-off adapter and the hoses routing forward over the front cross-member and alongside the oil pan:





    The rear line, which is the return to the engine from the oil t-stat, is sheathed in the same high temp / abrasion resistant sleeving as the other line. For a couple/few inches it runs almost parallel to one of the header primaries, with probably 3/4-1" clearance.

    Of course, all of this was coming together Friday morning, the day before the March 9/10 track event . I had been hoping to be on the road by noonish. About 2pm I got everything done, pre-filled the cooler with oil (actually that was done before I had bolted it into position), and started her up. There were no catastrophic issues, but I did find a couple of leaks - one fitting that I hadn't quite tightened enough at the remote filter mount, and one leak from the Hamburger's take-off adapter. That latter one torpedoed my plans to bring the car to the track event, as it's a pretty significant leak (drip every couple seconds, can smell it burning off on the header). I'm going to have to pull it apart to try to fix it (it doesn't appear to be the hose ends, so I don't know if I nicked the o-ring on the take-off adapter or what). As a result of all that, the Subaru was once again called into action and performed admirably.

    Next event is in a month. I hope to have the leak at the take-off adapter figured out this weekend, so I shouldn't be pushing my luck yet again, but I can't promise anything.
    jclayc, jclayc, yooper and 1 others like this.
    '05 Stealth Grey CTS-V, Hyper Silver Linea Corse Venetos w/Continental ExtremeContact DWs (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

  8. #158
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    Re: AAIIIC's oil cooler thread

    Looks pretty tidy Pat. The horizontal mount of the oil filter is what I should of considered after thinking about a brake duct set up which I have yet to do. The Starlite hoses look great as well.

  9. #159
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    Re: AAIIIC's oil cooler thread

    Thanks. I'm hoping it will perform well, and I guess I'll find out middle of next month when I hit VIR again.

    I'm pretty sure I found the source of the leak this evening - I bought the wrong fittings to go into the Hamburger's take-off adapter. Not sure how I managed something so stupid, but they're supposed to be o-ring fittings, and I used normal 12AN-to-10AN adapters. Stupid, but at least it should be an easy fix.

    Edit: New fittings on order from Summit, will hopefully have them Friday so I can get the car back together this weekend and start getting some miles on this setup. I also ordered another remote oil filter mount that is the same configuration as the one I've got (so I won't have to change the plumbing), but is 13/16" instead of 3/4", so I can use the same filters I had been using.
    '05 Stealth Grey CTS-V, Hyper Silver Linea Corse Venetos w/Continental ExtremeContact DWs (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

  10. #160
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    Re: AAIIIC's oil cooler thread

    Got the new fittings installed and initial indications are good. Didn't get much chance to drive the car, because I washed it Saturday (for the first time in I don't know how long), then it was rainy all day Sunday and I didn't want to waste my efforts. Anyway, when it was leaking I could smell the oil burning off just driving around the block, so the fact that I was able to take it out for a spin without any offending smells, and without any drippy drippy underneath when I pulled back into the garage, is a good sign.

    Edit: 4 days later, turns out I spoke too soon. Grrrr... Drove the car to work today and I could smell it on the way home. Looked under the car and I could see a drop hanging from one of the hose ends at the take-off adapter. I'll have to jack it up to get a better look. Fooking car!

    I did get the car out in daylight, which allowed me to take a couple pics of how the cooler looks.



  11. #161
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    Re: AAIIIC's oil cooler thread

    So I know this is a little old, but I thought it would be the place to go being that it's a sticky. I'm thinking about my options for setting up an oil cooler on the V. My car is a DD, but it also sees a few track days a year where it runs pretty hot. My original plan is go to with a basic cooler set up with a low profile adapter/thermostat. I've heard this option doesn't work with headers, but I don't currently have plans to put headers on the car. Here's the parts list I'm currently considering.

    Oil cooler ---http://www.summitracing.com/parts/der-52510/overview/
    Adapter/thermostat ---http://www.improvedracing.com/oil-ad...l#!prettyPhoto
    1X 60* fitting (adapter fitting) ---http://www.improvedracing.com/an-swi...ing-p-145.html
    3X 90* fittings ---http://www.improvedracing.com/an-swi...ing-p-146.html
    10 feet of AN hose ---http://www.improvedracing.com/an-hos...0an-p-164.html

    Another idea I've been throwing around is the Mocal Laminar oil to water heat exchanger like this one here. http://www.racerpartswholesale.com/p...eat_Exchangers It sounds like a great idea in concept, but it isn't the cheapest option and implementation sounds like it might be difficult to find places to splice into the coolant system.

    So, what's my best option? My overall goal is to have a solid oil cooler that isn't overly complicated and doesn't break the bank. I only did a mental fitment as far as fittings and adapters go, so any advice or recommended changes are greatly appreciated.

  12. #162
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    Re: AAIIIC's oil cooler thread

    Seems like a good selection of parts. I would order the hose and fittings from Summit, mostly because I've never heard of Raceflux brand.

    You're correct to think that mounting the Laminova heat exchanger and tying it into the cooling system would be tough, and would put added load on a cooling system that's isn't exactly robust on track.
    '05 Stealth Grey CTS-V, Hyper Silver Linea Corse Venetos w/Continental ExtremeContact DWs (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

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    Re: AAIIIC's oil cooler thread

    Will do, thanks for the tips. I'll be sure to post back here when I have it all set up.

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    Re: AAIIIC's oil cooler thread

    If you're not going with headers it should be way easier for the line routing as well
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    Re: AAIIIC's oil cooler thread

    Well now that I've had the cooler on for a week and two track days I think it's time to get on here. I ended up mounting the cooler behind the lower grill from two L brackets, attached to the bumper bar with self tapping screws. The cooler does hang a little low, but the splash guard still fits and I could raise it about two inches by flipping around the L brackets if I needed to. In hindsight I should have gone with slightly sharper bending fittings off of the adapter, maybe a 90* and a 120* instead of a 45* and 90*.

    As far as performance, my cruising oil temperatures went from 230*-240* down to 210* as read from the dash gauge. Track temperatures however went from 320* to about 305*, which is really questionable for a 80* ambient day. All I know is that the gauge is unreliable and I'm glad to have the piece of mind this cooler gives me. I was working pretty quick when I put the cooler in, but if anyone wants pictures of anything just let me know. Thanks for all of the help guys!

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