when the oil hit 220 the car start to lag. anyone know how to fix it?
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06-29-2012, 04:35 PM | #47 (permalink) |
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Man, my car sits at 220F on the regular and i dont notice any slow downs from it... Lucky me
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06-29-2012, 04:56 PM | #48 (permalink) | |
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06-29-2012, 05:54 PM | #49 (permalink) | |||
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A relay, some wire, toggle switch, and maybe some diodes should get the job done. Just run a 12V wire to a switch, and have the relay trigger the fan(s). I haven't looked at how the fans are controlled on the Z34 so you may need to use some diodes to prevent confusing the BCM or something. I haven't done much hacking on a CAN Bus car.
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07-04-2012, 06:43 PM | #50 (permalink) |
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^ it works when the engine is off but as soon as i start the car,the ecu takes over regardless of the simple switch.if you do find out how to be able to do it with the engine on,id be happy to make a small donation to your favorite charity lol.
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07-05-2012, 06:57 PM | #51 (permalink) |
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The AC does help with oil temps, I'm not sure what's up exactly but it is 100% observed since I've got my car, regardless of driving style, AC on = cooler oil temps.
I've not added an oil cooler yet to the stock Nissan water-to-oil one. Would be interesting to note how much power is actually lost while keeping AC on, maybe around 5 to 10 hp max, I really don't feel much (maybe would on the track though... when I go at some point, only just over 560 miles on mine) |
07-06-2012, 06:26 PM | #52 (permalink) |
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Last week temps were so hot that my oil temps almost touch 240F. I don't think it's pulling timing, but more like limiting throttle. I can feel the car accelerating and hitting a wall as if throttle opening was limited. Physically flooring it has no effect. It's a weird feeling, but I "wstar" made a good point about the ECU limiting throttle opening at low revs. This is one really hot summer.
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07-06-2012, 07:14 PM | #53 (permalink) |
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Yes, on a stock ECU, turning on the AC will keep oil/water temps a bit lower in the heat. It's because the stock ECU turns on the electric radiator fan(s) at lower temps when the AC is on than when it's off. UpRev can set them to turn on whenever you want regardless of AC
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07-06-2012, 07:20 PM | #54 (permalink) |
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I'm surprised some of you guys are having issues with oil temp,the past 4-5 day in Atlanta has been 95+ and 3 of those days were over 103deg and my oil temps haven't gotten past 210.
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07-07-2012, 12:18 AM | #55 (permalink) | |
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07-07-2012, 12:25 AM | #56 (permalink) |
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yeah, I've been noticing that lately as well. It has been over 100 degrees lately in MN and I have no lower end power. However, when it hits 3.5k rpm or so, there is a burst of power.
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07-07-2012, 10:57 AM | #57 (permalink) |
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Thanks for the clarification, wstar. How does this affect your updated throttle tables? I really hate the feeling of not being able to open up the throttle more than anticipated under 2k and even worse when hot.
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07-07-2012, 04:53 PM | #59 (permalink) |
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Its been in the 100's here in central Texas as well. I can really feel power loss in these conditions. I was thinking about getting a vented hood to try and let some of that heat escape from the engine bay.
Man, I can't wait to get back home to WA state next year!!!! If it gets in the high 80's during the summer, thats considered a hot day for us, lol.
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