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-   -   Aftermarket Oil Cooler recommendations (https://www.rx8club.com/series-i-tech-garage-22/aftermarket-oil-cooler-recommendations-236395/)

Danmn858 07-31-2012 10:11 AM

Aftermarket Oil Cooler recommendations
 
What are some good brands for a shiny new oil cooler? (Literally, I want it to be shiny) ha.
Also My Rx8, 2004 AT only has one oil cooler and its on the driver side. I know the newer model rx8's have one on each side. Anyone know if its possible to mount two, functionally, on my model?
Thanks a lot!

9krpmrx8 07-31-2012 11:54 AM

Search man, there are a few threads on this subject already.

Danmn858 07-31-2012 12:56 PM


Originally Posted by 9krpmrx8 (Post 4318736)
Search.

my only weakness

Danmn858 07-31-2012 03:04 PM

Just went rummaging and found this gem ;) Thanks
"Quick and dirty :)

http://www.flickr.com/photos/9krpmrx8/5593400424/"

so what oil coolers would you recommend? and how do I run dual if I have single now? I'm not too sure how that stuff works.
Please dont tell me to search again though, just explain. please. ha

blakem2008 07-31-2012 03:20 PM

Have also Been thinking of doing this. here is a little help

Mazmart Shopping Cart

https://www.rx8club.com/specific-per...-180045/page2/

9krpmrx8 07-31-2012 03:39 PM

:lol: That diagram is awesome.

The fittings need at the coolers (factory anyway) and the engine are M18 x 1.5. If you run custom lines (local hydraulic hose shop) you can easily add a secondary cooler.

dannobre 07-31-2012 03:55 PM

Setrab is one of the best...they are pricey but very efficient compared to most others

9krpmrx8 07-31-2012 03:58 PM

Good enough for Aston Martin and Ferrari :) I will redoing my setup again soon.

dannobre 07-31-2012 04:00 PM

I think with the 2 coolers, thermostat and the fittings and hose I was close to $1500...not a cheap undertaking ...

9krpmrx8 07-31-2012 04:11 PM


Originally Posted by dannobre (Post 4318973)
I think with the 2 coolers, thermostat and the fittings and hose I was close to $1500...not a cheap undertaking ...


Not cheap at all unless you find decent used coolers. Long brand coolers are decent too, sometimes you can get them fairly cheap.

RageBrah 07-31-2012 04:20 PM


Originally Posted by 9krpmrx8 (Post 4318971)
Good enough for Aston Martin and Ferrari :) I will redoing my setup again soon.

cant wait to read it, JDM 6port MT's only have one oil cooler, have to do something about that

Danmn858 07-31-2012 04:23 PM


Originally Posted by dannobre (Post 4318973)
I think with the 2 coolers, thermostat and the fittings and hose I was close to $1500...not a cheap undertaking ...


Originally Posted by 9krpmrx8 (Post 4318981)
Not cheap at all unless you find decent used coolers. Long brand coolers are decent too, sometimes you can get them fairly cheap.

whats the point of doing something so expensive? Isn't anything practically better than stock? Especially if I run two?
I was looking at buying just like a pair of $150 (each) oil coolers off ebay.
Something like this: Universal 19 Rows Oil Cooler Kit Engine Transmission Oil+Oil Relocation Kit Row | eBay
call me cheap but I'm just wondering if theres anything wrong with that?

9krpmrx8 07-31-2012 04:26 PM

Brettus only runs one cooler and has not had an issue even turbocharged, he is using a stock passenger side oil cooler as a secondary radiator though IIRC. I think it depends on what you are doing with your car.

Right now oil temps are not an issue for me and my custom setup is working fine, even in this 100F+ weather. I am just redoing mine to clean things up a bit.

9krpmrx8 07-31-2012 04:29 PM

The stock oil coolers are decent and fine for most, Dannobre's car is on another level and track driven.

A kit like the one you linked fed from an oil filter adapter plate would work and would be an easy way to add a second cooler but with fittings and lines you don't wanna really cheap out, if you have a failure it could cost you big time.

Danmn858 07-31-2012 04:44 PM


Originally Posted by 9krpmrx8 (Post 4318992)
The stock oil coolers are decent and fine for most, Dannobre's car is on another level and track driven.

A kit like the one you linked fed from an oil filter adapter plate would work and would be an easy way to add a second cooler but with fittings and lines you don't wanna really cheap out, if you have a failure it could cost you big time.

balls. I wish I new something about oil coolers. I don't know what "fittings" are/what they do. I can make an educated guess that lines are what the oil goes through. Maybe an explanation from you, kind sir?

bse50 07-31-2012 04:44 PM

I live and die by Setrab's coolers and earl's fittings.

9krpmrx8 07-31-2012 05:12 PM

Fittings are the connection points that the hoses attach too and what screws into the block and coolers, AN fittings, JIC fittings, etc. Cheap aluminum fittings can break or leak pretty easily.

Danmn858 07-31-2012 05:49 PM


Originally Posted by 9krpmrx8 (Post 4319018)
Fittings are the connection points that the hoses attach too and what screws into the block and coolers, AN fittings, JIC fittings, etc. Cheap aluminum fittings can break or leak pretty easily.

could I replace the stock cooler with the one I linked? add a twin, and just get better fittings?

dannobre 07-31-2012 06:00 PM

Something like this might just make your life a lot easier :)

Performance Oil Cooler Kit by RX-8 Performance | RX8Performance

Danmn858 07-31-2012 06:14 PM


Originally Posted by dannobre (Post 4319042)
Something like this might just make your life a lot easier :)

Performance Oil Cooler Kit by RX-8 Performance | RX8Performance

except the $900 part :Eyecrazy:

aaronspeed 07-31-2012 07:13 PM

I think all of the time spent on a upgrade is a waste of money. I ran a Fun Day in 98-104 degree day in 20 minute runs never really running under 6k rpm and bouncing 9k rpm all around the track and my oil temperature never went over 200 degrees and dropped after to 160 degrees and stayed during my cool down lap. Daily driving I stay around 180 degrees in busy traffic.

ZOOM-I-DO 07-31-2012 07:21 PM

Start looking for a part out Rx8 or in my case started asking around and
found a complete set (both coolers and hoses) from a guy that was upgrading like 9k did.
Paid $300 for everything and sold the extra drivers side for $75.

Total cost $225.

ZOOM-I-DO 07-31-2012 07:25 PM


Originally Posted by aaronspeed (Post 4319071)
I think all of the time spent on a upgrade is a waste of money. I ran a Fun Day in 98-104 degree day in 20 minute runs never really running under 6k rpm and bouncing 9k rpm all around the track and my oil temperature never went over 200 degrees and dropped after to 160 degrees and stayed during my cool down lap. Daily driving I stay around 180 degrees in busy traffic.

Do you have an Auto 4 speed with one cooler? I can tell you when I push mine like you were I got much higher temps like 210-218. After the 2nd cooler install they came write down to 195-210 level.

Danmn858 07-31-2012 08:50 PM

I also want a nicer looking oil cooler because theyre very visible with the mint blue front end...
If I buy a second passenger OEM cooler, I wonder if I can get them both powdercoated or something...

RX8Soldier 07-31-2012 09:00 PM

Pathetic. Click this

Danmn858 07-31-2012 09:03 PM


Originally Posted by RX8Soldier (Post 4319119)
Pathetic. Click this

if you honestly dont think that I know that an oil cooler cools oil you're the pathetic one. I was just saying I don't know the exact mechanics of it. Obviously I know oil has to pass through it to be cooled.

RX8Soldier 07-31-2012 09:14 PM

:rolleyes:

9krpmrx8 07-31-2012 10:21 PM


Originally Posted by aaronspeed (Post 4319071)
I think all of the time spent on a upgrade is a waste of money. I ran a Fun Day in 98-104 degree day in 20 minute runs never really running under 6k rpm and bouncing 9k rpm all around the track and my oil temperature never went over 200 degrees and dropped after to 160 degrees and stayed during my cool down lap. Daily driving I stay around 180 degrees in busy traffic.

The factory coolers are very good, the only downside is in cold weather. They have crappy thermostats and allow cold oil to flow and so it takes a while for the oil to heat up (not good). A good oil thermostat is going to allow the oil to heat up quickly by sending it back to the engine and going to a simpler hose routing with larger lines increases oil pressure (proven by me). The factory lines and fittings are know to rust and leak in winter climates and replacement parts are very expensive unless you find a part out going on at the time you need a replacement. Custom lines and fittings are generally cheaper unless you go with top notch stuff.

It's not something to do on a whim, it needs to be carefully thought out.

Danmn858 07-31-2012 11:00 PM


Originally Posted by 9krpmrx8 (Post 4319168)
The factory coolers are very good, the only downside is in cold weather. They have crappy thermostats and allow cold oil to flow and so it takes a while for the oil to heat up (not good). A good oil thermostat is going to allow the oil to heat up quickly by sending it back to the engine and going to a simpler hose routing with larger lines increases oil pressure (proven by me). The factory lines and fittings are know to rust and leak in winter climates and replacement parts are very expensive unless you find a part out going on at the time you need a replacement. Custom lines and fittings are generally cheaper unless you go with top notch stuff.

It's not something to do on a whim, it needs to be carefully thought out.

This is good information.

olddragger 08-01-2012 10:11 AM

Good advice 9K. peeps --dont overcool the oil either. Most track driven RX8 will hardly put a load on the engine until the oil temps get to 160F+. If you use synthetic oil it is good to go to 250F+ as far as lubrication is concerned.

Danmn858 08-23-2012 05:08 PM

super thread revive time!
Would you recommend Mishimoto oil coolers? I've seen them on various built stance:nation cars so I assume they can't be horrible.
also how many rows would you suggest if I'm doing dual oil coolers?

olddragger 02-01-2013 09:56 AM

thread revival........
I would like to take this discussion a step further.
My reason---serious engine builders including racing beat mazmart , pettit--etc will tell you to not let the oil temperature get above 200-205 F. THIS IS MEASURED ON THE COOL SIDE__returning from the coolers.
Unless you live in a cool climate-- i will venture to say that the oil temps are above that routinely. Especially in the south. ALL the members of the Ga RX8 club see temps higher than that--on track and during city driving. Some see 200F even just driving on interstate during the summer time.
Now oil viscosity does influence oil temps. Most of us do use a 40 wgt oil--synthetics and mineral.

My point is --i think we need better oil cooling and what have others done?

before the summer ( in Ga) I plan to upgrade my oil cooling system ( currently stock with the vents cut and one cooling fan for stop and go traffic) . My system is borderline--the thermostats work fairly well as I see now ( winter months) a return temp of about 180F. But in the summer i can see 200-205 fairly often. On track I do see 220F often.
My coolant temps are well under control but the oil needs a little help?
Is this something that needs addressing or is this another olddragger ramble?

9krpmrx8 02-01-2013 10:15 AM

Well we will see this summer at full boost but for now I struggle to get temps well above 200F and that is with oil flowing thru the turbine housing.

Honestly man when I was measuring temps in the oil pan there was not a huge difference in temps versus measuring it at the oil filter plate.

Hoss-05 is plumbing in a cooler with a fan on the oil line that feeds his turbo. I am curious how much that will extend the life of his turbo along with his use of Evans coolant.


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