Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Engine & Drivetrain (http://www.the370z.com/engine-drivetrain/)
-   -   High Oil Temp = power + throttle response loss? (http://www.the370z.com/engine-drivetrain/15015-high-oil-temp-power-throttle-response-loss.html)

MightyBobo 02-27-2010 07:39 AM
Quote:
Originally Posted by Red370 (Post 417885)
I owned an S2k for a good while as one of my first tuner cars, while the horsepower was decent, theres only so much 162 ft/lbs will do for you. Mine actually dyno'ed at 173whp and 117 ft./lbs on a dynojet, broke my heart really. Truth be told, given its history, the S2k is a solid track car, but he should have pulled quite a bit. I'm a weekend warrior at the drags here, usually race one ever other week, and like i stated before, theres usually 1-1.2 second ET difference. Keep in mind that he also has the FI exhaust and G3's.
That torque difference isn't going to mean much when the cars aren't at a dead stop.

TARDCORE 02-27-2010 09:14 AM
Quote:
Originally Posted by 1slow370 (Post 419778)
first off i have gotten the engine hot so i believe you, second if i'm going over 50 and cruising i'd be in 6th not 5th you'd be suprised how much that effects your oil temps. when your cruising around try keeping your R's right around 2 not 3 thousand it will help considerably. i save the higher revs for when i'm having fun or racing it otherwise i stay low so that when i do want to screw around it's fairly cool. I can say that on a long road trip doing 73 on cruise control in 6th it stays right around 220
all the vids of going WOT were taken on regular roads here in SD. And since it was like 630 traffic was heavy so I couldnt really do any 6th gear cruisinjg. Too much down shifting then upshifting to get to 6th for a few mins isnt worth it. 3k rpms isnt a whole lot for most cars, so on the vids when I was driving during the day thats what it will look like at around 15 mins. When I drive to Hemet from SD and I am in 6th most of the time it will get around 230 at night.

kannibul 02-27-2010 09:23 AM
Quote:
Originally Posted by TARDCORE (Post 418432)
lol kannibal. anyway you guys r missing the point. I was asking what the performance decrease is on the Z when oil temps r that high. no one has answered and I dont think anyone knows. I have recorded a few videos and I will show you there is something wrong with my Z. Today on the way to work I was in 5th gear at roughly 50-65 mph the entire time and the temp stayed at 210 degrees. later once I can get a chance I will get a video showing how fast it will go from 200-260. its really wierd
higher temps = lowered RPM limiter. 260F is first threshold, I think 280 is the next threshold.

Read the manual...it spells it out for you.

kannibul 02-27-2010 09:26 AM
Quote:
Originally Posted by theDreamer (Post 418543)
Why does everyone think he was street racing?
He was passing two other cars that ended up street racing, he waited for the road to open and pass and they were waiting for the road to open to race.
Well, pretty simple, if you go to pass someone and they take off, you can decide not to participate and let off the gas.

If they slow down too and still won't let you pass, you can pull a .45 on them and that will distract them (because they'll have to look for their 9mm), meanwhile you can speed off and activate your stealth tech and get away.


Only one of those comments is sarcastic.

kannibul 02-27-2010 09:28 AM
Quote:
Originally Posted by TARDCORE (Post 418564)
jesus. heres what happened. I (me) driving around on back roads above the speed limit. yes i stated above the speed limit. i came upon 2 cars, one was tail gating the other. the speed limit is 45 mph and they were doing approximately 30. i passed them once it was LEGAL to pass them. when I was about to pass the S2K he gunned it. Since I had WOT I figured Id humor him but it didnt turn out that way. Then like 1 mile later the last part of the back road ends in an uphill straight. the civic was right behind me and I wanted to see if my Z would get away from it, it didnt. Thats what happened. the civic wasnt a race, i was already infront him him.

Furthermore, when I get pulled over for speeding, if and when the cop runs my plates he hands me back my info once he receives the information and tells me to slow down, no ticket, no questions, nothing.why? because I have more than likely backed that chippie or sherrif up in a vehicle stop and if not, I probably will eventually. so if I want to do a little spirited drive early in the morning, I am going to as long as traffic is light.

Ill post the vids as soon as I get home. In 5th gear at 60 mph is under 3K rpms and thats usually my normal drive through that area. I didnt expect to get flamed and I am asking for some knowledge on the matter but hey its a forum. And unfortuantely in my opinion, the Z as a stock car isnt what I expected it to be. I am thinking of buying another Oil Cooler from GTM and having them installing it which will more than likely solve my issue then hopefully I can go to cal speedway or willow springs with many of the forum members in so cal here.
So you're either a lawyer, a cop, or a judge...

Either way, you think you're above the law.



Thank you for being the problem instead of being the solution.

kannibul 02-27-2010 09:34 AM
Quote:
Originally Posted by serge (Post 420049)
He wasn't.
Actaully, he was. He just didn't initiate it.

It's like saying I was just walking along and these two guys jumped out in front of me and told me to give them my money. they started to swing, and I fought back thinking I could win. I KO'd one guy, and the other guy put up a better fight, but I think I still got him.

Now, was he fighting? Yes. Did he start it? No.

So, he was racing. He could have dropepd out and let the other two guys have at it.

DIGItonium 02-27-2010 09:35 AM
I do think the Z gets a bit sluggish when the motor gets hot regardless of oil temps especially on a hot summer day. I don't know if it has to do with fuel, but my oil temps rarely go above 220F. It feels sluggish after a long day of driving (work, errands, etc.).

Anyhow, it is quite enjoyable punching the throttle in 2nd :-)

TARDCORE 02-27-2010 10:54 AM
Quote:
Originally Posted by kannibul (Post 420110)
So you're either a lawyer, a cop, or a judge...

Either way, you think you're above the law.



Thank you for being the problem instead of being the solution.
actually im not any of those. So from what I have seen you post buddy, you apparently win professional track events. you are an experienced professional aftermarket installer, you are also quick to make stupid comments, and believe me that one above isnt going to make you any friends. So everyone meet Kannibul he is a good at everything, and knows it so he posts it on forums.

MightyBobo 02-27-2010 10:56 AM
So then what are you?

TARDCORE 02-27-2010 10:58 AM
Quote:
Originally Posted by kannibul (Post 420116)
Actaully, he was. He just didn't initiate it.

It's like saying I was just walking along and these two guys jumped out in front of me and told me to give them my money. they started to swing, and I fought back thinking I could win. I KO'd one guy, and the other guy put up a better fight, but I think I still got him.

Now, was he fighting? Yes. Did he start it? No.

So, he was racing. He could have dropepd out and let the other two guys have at it.
thats actually a bit extreme for a comparrison. I mean thats being threatened with the small possibility of them just taking your money to the extreme possibilty of them taking your life. Maybe if they asked for your shirt? or a hair clipping?

1slow370 02-27-2010 11:26 AM
it does have me curious what you do tardcore maybe first respondent not sure. other than that kannibul he is going to do what he is going to do and take it to PM's if you feel so upset about it and can't help with the oil problem. Those temps sound normal to me from what you're saying. Chances are you won't ever have another cooler explode on you so you might as well get another one only real fix for the problem. Oh and get a used oil anaylisis done at your ext change to check and see if you have major damage/wear from when it happened if not your probably golden.

Trips 02-27-2010 11:38 AM
This keeps up, Ak will come and clean it or lock it.

its gone long enough on a topic that usually ends in flames...

blue660r01 02-27-2010 11:59 AM
Quote:
Originally Posted by TARDCORE (Post 418564)
the civic was right behind me and I wanted to see if my Z would get away from it, it didnt. Thats what happened. the civic wasnt a race, i was already infront him him..
So because you were already in front of the Civic means it wasnt a race? Wow this is news to me. Any time one car competes with another at high speeds it IS racing. BTW it just sounds like you cant drive.

TARDCORE 02-27-2010 12:16 PM
I work for DHS and I being in the same line of work, I meet a lot of LEO's from different agencies/departments and make friends or just acquaintences. So just because I say I went for a spirited drive its a bad thing? I have seen many people post that same thing on this site. Look at the thread about the stock lsd on this car. cmon people. I think since Im gettin rid of the Z at the end of the year I dont need to post on this site anymore since I know what I need to know. The Z stock isnt meant to be driven hard. And there is a big risk with fixing that problem and I hope my previous issue with the oil cooler has helped some people really think about that risk since its happened to 2 people on this site. :hello:

Edit: you all make it seem like im the bad guy here. look at blue's post. look at kannibul's. You guys r hilarious though I must admit

frost 02-27-2010 12:21 PM
Quote:
Originally Posted by TARDCORE (Post 420337)
You guys r hilarious though I must admit
Well, that's all that really matters.

blue660r01 02-27-2010 03:49 PM
Quote:
Originally Posted by frost (Post 420345)
Well, that's all that really matters.
^^ This

spearfish25 02-28-2010 07:33 AM
sigh

kannibul 02-28-2010 10:52 AM
Quote:
Originally Posted by TARDCORE (Post 420245)
thats actually a bit extreme for a comparrison. I mean thats being threatened with the small possibility of them just taking your money to the extreme possibilty of them taking your life. Maybe if they asked for your shirt? or a hair clipping?
Ever think of what would have happend should a deer have jumped out in the road while you were racing? The whole thing was about your ego and your pride.

If it didn't matter, then you wouldn't have been street racing. Had you gotten into an accident or a ticket, you would have raised all our insurance rates...meanwhile, according to you, this car isn't meant to be raced (so, why did you anyway?) so you're getting rid of it in a year. Way to **** in everyone's foxhole with that potential outcome.

RCZ 02-28-2010 11:16 AM
I dont care if you were racing or not. Almost everyone does it when the opportunity presents itself. Its not like he's doing midnight runs guys, cut him a break. Hard to believe none of you guys have ever done a pull one time or another. Anyway thats a different deal, let stay on topic.

Tardcore, I know exactly what you are talking about. It feels like everything is there, but the car just doesnt go anywhere. It doesn't just happen at 260 or 280, it starts to happen almost as soon as your cross 200. I'm pretty sure there is a VVEL map where it begins to pull back power as the temp goes up. Its extremely annoying. Car doesn't rev as fast, doesnt have the same amount of power and just falls flat on its face.

I find the best operating temperature is 180 on the dot. Anything higher than that and the car starts to lose a little umph. Oil coolers are a really important mod for this car :(

SoCal 370Z 02-28-2010 11:52 AM
TARDCORE, has a legitimate question, but unfortunately Nissan, and others, will not give him a legitimate answer. You will need an oil cooler to drive the 370Z sports car—like a sports car—and in other situations. Oil temps suck; high oil temps destroy and shorten the life of oil; with the 370Z they intentionally slow the Z down too (hopefully, you will not be in precarious situation when your Z does...like traffic).

And regarding the relationships he may have made and exercises...well, that's just life. More power to him if he knows the authorities and they know him.

tbonesteak 02-28-2010 12:20 PM
Quote:
Originally Posted by RCZ (Post 421766)
I dont care if you were racing or not. Almost everyone does it when the opportunity presents itself. Its not like he's doing midnight runs guys, cut him a break. Hard to believe none of you guys have ever done a pull one time or another. Anyway thats a different deal, let stay on topic.

Tardcore, I know exactly what you are talking about. It feels like everything is there, but the car just doesnt go anywhere. It doesn't just happen at 260 or 280, it starts to happen almost as soon as your cross 200. I'm pretty sure there is a VVEL map where it begins to pull back power as the temp goes up. Its extremely annoying. Car doesn't rev as fast, doesnt have the same amount of power and just falls flat on its face.

I find the best operating temperature is 180 on the dot. Anything higher than that and the car starts to lose a little umph. Oil coolers are a really important mod for this car :(
I agree completely. We all do it. We didn't buy 332 hps to never enjoy it on roads other than the track. As long as he used his discretion to make sure it wasn't life threatening to anyone, I don't think we should get on his case. We're not on an interwebz board to regulate laws and ethics. That would fail miserably.

As far as the vids go, to me, it looks like your car reacts much worse to high revs than mine. Mine eventually shoots up but nowhere near as fast as yours does in the vid. I really have to get on it for a while to get the temps up. I've yet to hit 260 and even after some canyon runs I was hovering at ~255.

frost 02-28-2010 12:50 PM
Blah blah blah, we all bought this car to drive slowly at every given moment.

RCZ 02-28-2010 02:47 PM
I havent seen it go past 240-250 for months and I've driven the crap out of it. On the highway I cant get it past 190-200... not that I've tried, but it hasn't..

kannibul 02-28-2010 03:59 PM
Quote:
Originally Posted by frost (Post 421980)
Blah blah blah, we all bought this car to drive slowly at every given moment.
We all got a drivers license as a priviledge that has rules and regulations attached to it (else you lose it), one of which, as the forum rules also state, is no street racing.

:rolleyes:

LateralG'z 03-03-2010 11:41 PM
Stillen is Setrab as well, almost of them are from the same manufacturer, you want to know why I know this? Yes you do, is because I am in the industry of heating and cooling things. I know the manufacturer of these coils. It doesn't matter where he gets it from they are all going to be manufactured from the same place with a different name. Odds are he got one that was pressure tested and failed and some how was painted and sent out the door.

Modshack 03-04-2010 09:42 AM
Quote:
Originally Posted by LateralG'z (Post 428258)
Stillen is Setrab as well, almost of them are from the same manufacturer, you want to know why I know this? Yes you do, is because I am in the industry of heating and cooling things. I know the manufacturer of these coils. It doesn't matter where he gets it from they are all going to be manufactured from the same place with a different name. Odds are he got one that was pressure tested and failed and some how was painted and sent out the door.
Ummmm....Wrong problem. Tardcore had a hose blow-off. There was nothing wrong with his core.

speedoflife 03-04-2010 11:13 AM
Quote:
Originally Posted by Modshack (Post 428582)
Ummmm....Wrong problem. Tardcore had a hose blow-off. There was nothing wrong with his core.
Maybe he meant that the core caused excess pressure which, in turn, caused the hose to blow off. Have the two blown off hoses (and one broken hose) been the input to or output from the cooler?

Chris@FsP 03-04-2010 11:16 AM
Quote:
Originally Posted by kannibul (Post 420101)
higher temps = lowered RPM limiter. 260F is first threshold, I think 280 is the next threshold.

Read the manual...it spells it out for you.
Not only that, but I'm sure the ECU is probably pulling timing as well at those temps, which would most definitely make the car feel much more sluggish.

Modshack 03-04-2010 01:33 PM
Quote:
Originally Posted by FailsafePerf (Post 428704)
Not only that, but I'm sure the ECU is probably pulling timing as well at those temps, which would most definitely make the car feel much more sluggish.
That's probably the #1 reason. Higher IAT's = less timing advance

RCZ 03-04-2010 01:50 PM
probably? its not probably guys, that IS the reason. This car has a very aggressive tune when it comes to protecting itself from detonation.

BrianMSmith 03-06-2010 10:14 AM
I bought a Z after many years of driving a Camaro SS, Ls1 engine. Let's face it, the Z is not a fast car in the engine department. It's sporty, but that's about the best you can say. The car is meant for running on tight twisty canyon roads where handling and composure result in a fun drive. If you want to kick *** in a street drag race, buy a Camaro or a Stang, but don't complain about the cheap low quality interior or vague handling. Although you can mod the chassis of a Camaro and get very good handling, it will never be as good as the Z on real world roads.

D3Daddy 03-06-2010 11:12 AM
Oil Temp
 
Quote:
Originally Posted by Triple's (Post 417857)
I don't see anything past 230 with aggressive driving, and I'm not running a cooler yet...
Same here, although at my 1st oil change I decided to go with Motul 300V 5W-30 and I have noticed that my temps run a tad cooler and are much more stable. They do not spike when I am at WOT. Just been my experience. I will probably go with the Nissan Oil Cooler at my next oil change just to be cautious as the weather her in CA has been pretty cool since I have had my Z...

fxroar 03-07-2010 01:09 AM
I live in San Diego as well and I always do spirited driving. I have not gone anywhere above 230 running high RPM and trust me.. when I drive.. I drive HARD. Raced s2k and Civic Si's. Never had a problem leaving them behind by a great distance. I always run VDC on (for safety purposes), I do NOT have aftermarket cooler and I do NOT have LSD since my car is base w/o sport.

I DO feel a tiny bit difference at WOT at 230 compared to 170-180, but ever since I got the INJEN Cold Air Intakes.. inside cabin has yet to warm up as it used to and Temp has yet to climb up as fast as yours.

I gotta tell you though.. there's a blue 08 or 09 Civic Si Sedan that must have at least a SC or possibly T/TT installed that lives around San Diego. Had a very rough race going home from LA on Interstate 5 a couple of months ago.. and boy that Civic can go. Never seen one of that type that had so much torque. Had to Red line every single gear (usually starting on 4th gear @80mph - puts me around 4k something RPM - WOT to red line and maybe some on 5th gear does the trick for me) and even after the shift to 6th after red lining the 5th.. the car was only about 4-5 cars back.

Some of the members here are right. Do NOT assume they are bone stock because of the way they sounded or looked. Mods such as lighter crank pulley, resonators on exhausts etc etc.. are mods that are in stealth or provides stealth and can easily make you think them cars are "bone stock" :)

DarkBlack370Z 03-26-2010 03:54 AM
im just very surprised oil coolers don't come standard on the 370. :confused:

MightyBobo 03-26-2010 05:16 AM
Quote:
Originally Posted by DarkBlack370Z (Post 465001)
im just very surprised oil coolers don't come standard on the 370. :confused:
Can you name how many cars have standard oil coolers?

Great first post lol

Z eliminator 03-26-2010 08:06 AM
when i ran the car at the drag strip the hotter it got the more it slowed down .12.800 pass when to a 12.95 on the next run after i let the car cool for 45 min. When the oil hit 110c it would only go 13.2 to 13.3's.
Un belivable how it loose's power.
It runs best at 80 to 90c for oil temp.
GTM track oil cooler on its way as soon s Sam ships it to me.

IcedZ 10-18-2010 11:44 PM
Some of you might be interested in this thread:
http://www.the370z.com/engine-drivet...dal-delay.html
It's kind of related.

ninous26 10-19-2010 12:03 AM
Quote:
Originally Posted by Minicobra1 (Post 417867)
Ok, first off, the S2000's little 4 banger puts out about 240bhp, and the car is about 600lbs lighter then the 370z. That motor is putting out a 120bhp per liter in comparison to ours which is about 89bhp per liter.
Real world test on the S2000 is 0-60 5.7 average, 13.8 1/4 mile. Now, compare that to the Z's numbers and tell me how much do you really think you were going to pull on it?

Also, your assuming they were stock, how do you really know, could of had a mellow exhaust and a tune, who knows, but even a stock S2000 will give you a run for the money. Heck my Mini Cooper Turbo sounds pretty stock, but with the tune I have and the mild cat back, intake, etc. it has surprised more then a few Vette's, Mustangs, etc. putting out 200fwhp and it's only 2500lbs :-)
Damm near as quick as the 370z.

Anyway, don't feel bad, there is nothing wrong with your car, you just didn't know what you were up against :tup:

On a side note, my Z, without a doubt, runs a little slugish when the oil temp hits 220, I can definitely notice the difference in responsiveness on a hot day compared to when the temps are in the 180 range. Only fix for that is an aftermarket oil cooler, which is something I will definitely be purchasing in the future.
Dude, don't stick up for a a stock S2K in a drag race. 2 words-- NO BALLS. That's stock though.. Handling is a different story and the S2K is pretty decent after 80. Still not even close to a 370z

MightyBobo 10-19-2010 01:14 AM
From the dead, this thread rises...just in time for halloween

cab83_750 10-19-2010 01:39 AM
Sorry, but did I just read something about an "exploding cooler?". Did the cooler explode or did the hose explode/separate?

Can someone please clarify?


Thanks


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