Oil cooler, oil change
 

I'm getting an oil cooler soon.

after i install it and when i'm ready for an oilchange, how do you drain the oil on the cooler and lines?

i'm getting the stillen 25r cooler with thermostatic plate.

also, how much more oil will it need?

i emailed stillen but they never replied. :confused:

You don't change the oil in the cooler

You can mount it upside down and it will drain, BUT you'll also have a hard time telling how much oil you'll have.

I think it's like .75 quarts more?

I was able to empty an entire extra quart into my engine after I got my 25row.... Setrab?

so you always leave .75 quarts of dirty oil on your engine?

yes setrab!

ok. so maybe i can add 5 quarts initially, turn on the car for a bit to let the filter and cooler to fill up. then check again and keep adding until it's full?

Yeah, it doesn't matter honestly, and I am too lazy to do the math, but it's less than that because it gets diluted in the new 5 quarts then you drain that


Again, if you dislike that option, mount it upside down

Just add oil to the cooler when you install it
Or if you just installed it, add like 5.6-5.7 quarts, run it, THEN add more if needed

ok, thanks, i'll probably end up just not draining it. :tup:

so, on the initial install, the thermostatic plate will be closed. that means i can only put 5 quarts, i'll have to wait until it warms for the oil to enter the cooler. then add more oil.
so pre filling the cooler is a good idea.

doesn't the thermostatic plate open up at 180f?

No, it's always open, it's just not open MUCH, and it's fully open at 180

:tup: ok, thanks.

Yes fill the oil cooler with fresh oil before you even put the lines on it during install. I'm guessing the Stillen instructions are subpar at best but Z1 has install instructions for their kit on their site that should help you out.

i am doing the same thing here in the next couple days with a 34 row Z1 oil cooler. i got 2 extra qts laying around that will come in handy.

my question i've been posing to people is i see some go with a longer oil filter. is this needed or better?

Longer filter is not needed, it's just for additional filtration surface.

And I think there's a member that mounted the oil cooler upside down in order to drain oil out, but again not required. I remembered somebody here says that even the vigorous GTR maintenance doesn't call for draining oil from oil cooler.

If dirty oil is a concern, just change oil more often, plus magnetic drain plug and filter mag.

Kn top of that, do oil analysis if you are really concerned about it.

yea i run the magnetic plug, first had a K&N filter and now i have the Nismo one from Z1. probably gonna go with a longer one this time just to see how it goes.

also i doubt i'll mount mine upside down. probably just regular as per the install instructions.

K&N is a good filter, actually inside is identical to the M1.

I have the longer one, basically it's the GTR size filter, personally i don't think it really does anything especially if you don't run extended OCI (oil change cycle).

If you plan to run the oil for, say 8k miles under dusty condition, longer filter may help but I don't have quantitative data to prove that it's needed.

i typically do 4-5k miles so far but i did let this one go a bit long i think im at 7k since i knew it was going away for winter and i was planning on going with a oil cooler :tup:

i use mobil 1 oil and change it every 3.75k miles. once i put the cooler i'll just do an oil change around 3k and keep using the M1 oil filter and not drain the cooler.
i'll get the magnetic plug too.

I only run redline and it's been amazing so far. It's still pretty good even after 5k miles too

Would you be able to last longer without changing your oil if you have a an oil cooler installed? Since it runs fresher and theres more of it circulating. I use redline and its starting to get pricey lol.

Do you get your redline from z1? They are the cheapest I've found at 9.50 a qt

mobil 1 is just ok for regular driving.

One time i put royal purple on it, and i changed it about 4.5k miles, then i found out i was a quart short. dumb me did not check the oil thinking it would be fine. i was so wrong.
so now i just do oil changes more often, but my engine does not eat that much oil anymore.

i was told since the engine was breaking in (below 5k miles) it was eating a bit more oil. now at 35k miles, it doesn't eat that much anymore.

in the near future i'll probably try a better oil like motul or redline since i want to do some tracking, i just have to remember to check the oil more often.

i think the oil cooler will probably not make the oil last much longer than it does. that's why i get 6 quarts of mobil 1 at costco for 26$ haha.

Wha!? No way! Ima check them out, thanks! :D
Although I'm wondering about shipping charges for the oil. I live in LA, and a couple things I've ordered have had some pretty high shipping lol.

they have a oil change kit. 5qts red line, filter, and copper crush washer for $54 i think.

Red Line 5w30 Oil Change Kit (370z/G37)

$26!? Mann, 5 quarts+shipping will set me back like $75 on redline oil and still need to buy the filter.

:iagree: I love that I can get a 5 qt container of Mobil 1 at Wal-mart for ~$25 :tup:

Just checked out Z1s Redline combo and shipping is $31. So i even though i end up paying the same, i get the filter and washer! I save my self a good $15! Its funny because im always on Z1 and ive never seen the oil they sell. Thanks man! :D

it was with a coupon. that stuff is like 6$ a quart usually.

no problem. shipping for me was like 15 i think and with the savings over other places it makes sense for me

Lucky!
Is there a difference between the regular mobile one, and there performance gold cap one? As in, does it make much of a difference?

I honestly don't know the difference. I don't go 15K miles between oil changes, so I just get the regular one.

z1 deals sounds good.

so with the new oil cooler, you'll need more than 5 quarts. i wonder if z1 will sell you a kit with one or two extra quarts.

i'll check oil prices later, i should go back to work now!! lol..

they have a option for a extra qt at 9.50 extra

i did that last time and this time so now i got 2 sprae qts. which works out since i got a 34 row about to go on my car :tup:

http://www.z1motorsports.com/g37_370...oducts_id=4655