Originally Posted by wstar I donno, in.the.dark may actually be correct on this. I guess it depends on exactly how the mix is calculated by the ECU? I don't know
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06-19-2009, 08:25 AM | #16 (permalink) | |
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07-10-2009, 03:07 AM | #18 (permalink) |
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I did this same mod on my Z32, but I don't think I would do it on my Z34. I had the engine apart and wanted to minimize hosing and complications in the bay - the bay that has one of the worst reputations in the world. The engine (I mistyped coolant here) is approximately the same temperature as the coolant inside of it. Therefore, the metal TB is roughly the same temp by means of the aluminum heads or the coolant itself. Sure, I certainly think it will take longer for them to warm up without the routing, but running on a cold engine is frowned upon anyway.
- Clay Edit: 090711 0725 GMT Last edited by BillyGoatGag; 07-11-2009 at 02:24 AM. |
07-10-2009, 02:00 PM | #19 (permalink) |
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Sounds about right. I still prefer having the hoses gone. Maybe someone will do some insulator type thing eventually for the intake manifold and throttle bodies, to keep them from sucking up so much direct heat from the engine metal.
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02-01-2010, 10:23 PM | #20 (permalink) |
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Interesting concept. I am still undecided, but the work seems easy enough.
I do find the idea of adding a cold charge to the opening a nice one up on the mod. All though it depends on how exactly the ECM calculates injector pulse with. Most modern cars rely more heavily on the up stream 02 sensor to calculate and adjust the a/f ratio. I'm pretty sure even a real cold blast would not change to ratio beyond normal engine rich lean switching for catalyst efficiency. But could be good for a little extra pick me up. I think every 10 degrees is good for 1% HP increase.
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01-27-2011, 05:41 PM | #21 (permalink) |
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Im not doing the delete but I am swapping all the hoses out to red silicone hoses and for the GOD DAM LIFE OF ME! I cant get the last hose that connects the the back of the engine!!!!!! GRRRrrrrr!
Doing this all now as imm typing this looking for any pointers! HELP
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01-27-2011, 10:15 PM | #22 (permalink) |
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ˆ YEEESSSSSSS!!! After a whole day! I have done it!!!
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HP is how fast you hit the wall… TQ is how much of the wall you take with you |
09-22-2012, 09:05 PM | #23 (permalink) |
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I just put a bypass valve on the inlet hose to the TB. Hot weather, shut it down so antifreeze won't flow around TB. Cold weather, turn the lever and open up the flow. Did This on my Titan years ago.
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01-25-2013, 10:31 PM | #24 (permalink) | |
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thanks for the write up...
took mines off for cleaning and posed the question which this thread answer perfectly!
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02-03-2013, 03:37 AM | #25 (permalink) |
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Im wondering if nissan designed that so that the engine coolant would have a sedond means of cooling. Have you noticed any increase in temp yet?
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02-03-2013, 07:21 AM | #26 (permalink) |
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It wouldn't be significant enough for that to be a design consideration really. It's hardly even enough flow/surface to be significant in the other direction.
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02-03-2013, 02:20 PM | #27 (permalink) | |
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This was put on for places like Canada and Antarctica, lol It keeps the throttle bodies from freezing, that's about it |
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03-16-2013, 07:28 AM | #29 (permalink) |
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Bump! I just want to keep this thread in the up pages up front so i can find it soon. I will be doing this within the next days
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04-23-2013, 04:09 PM | #30 (permalink) |
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Thanks bro for posting this DIY in 09, and thanks to the forum for keeping it alive.. Just did it... Much easier when you tell some one how to do it and watch ...
Nut_N_Much Journal Thanks again WSTAR mad scientist ..
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