For Nissan Techno buffs
#1
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For Nissan Techno buffs
Is there any chance Nissan will add direct injection to their engines? If they did they could pick up 10-20 hp such as Porsche did with the 987 and 997's. Just wondering as it would be a good way to get a few extra hp and better mph.
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The GTR has direct injection.....
I don't think the sulfur content in gasoline is a problem as Porsche and BMW use direct injection in most, if not all, of their engines in the USA.
Direct fuel injection provides more power(25-30BHP on a 370Z?!) and better mileage, but it is more expensive
I don't think the sulfur content in gasoline is a problem as Porsche and BMW use direct injection in most, if not all, of their engines in the USA.
Direct fuel injection provides more power(25-30BHP on a 370Z?!) and better mileage, but it is more expensive
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You're confusing two different things. The high sulfur issue you're referring to has to do with DIESEL fuel, not gasoline. European emissions standards and taxation forced oil companies and refineries to drastically clean up their diesel fuel sold in Europe by reducing its sulfur content. However, the same did not apply to diesel sold here in the states until recently. That's why despite the advancements made in diesel technology over the last 10 years, and the increase in the number of diesel equipped cars being sold in Europe over the last decade, many DIESELS are only now beginning to show up stateside as ULSD (Ultra-low sulfur diesel) has become more widely available in the US. By 2010, all diesel fuel in the US will be of the ULSD type.
Last edited by bruddahmatt; 01-19-2009 at 03:51 PM.
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I'm sure we'll see it eventually. Nissan is probably waiting until they can't make more out of a set up and will use it to boost power without having to change the engine. May happen later with the 370z or they may string out and wait until the next Z that comes. Car companies could easily be making more power with todays technology but if they did there would be nothing to jump to for the next upgrade. Current producte is always behind what is technology available due to either price and/or the desire to have something on the shelf to use at a later point
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I don't get this thread... Where's the techno?
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Last edited by Spork; 01-19-2009 at 04:36 PM.
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#8
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Looks like I was misinformed its the VK series that has a direct injection used for a JDM luxury car. I saw something about a patent for Nissan Direct Injection but the internet being the internet I don't know what to make of that.
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I don't get this thread... Where's the techno?
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Well, I stand corrected The GTR has port injection and not direct injection. I could have sworn I read somewhere that the GTR had direct injection.....just double checked to see who was right and I was wrong!! My bad
The reply talking about sulfur in fuel threw me as I was thinking Nissan 370Z, which obviously doesn't have a diesel engine.....
Yes, it is a highly technical topic where the fuel is injected directly into the combustion chamber under high pressure, which takes expensive injectors and computer controlling of the whole process. The big advantage is better fuel economy and lots more power!!
Port injection into the intake manifold is a lot easier to accomplish and far cheaper.....yesterdays technology IMNSHO
The reply talking about sulfur in fuel threw me as I was thinking Nissan 370Z, which obviously doesn't have a diesel engine.....
Yes, it is a highly technical topic where the fuel is injected directly into the combustion chamber under high pressure, which takes expensive injectors and computer controlling of the whole process. The big advantage is better fuel economy and lots more power!!
Port injection into the intake manifold is a lot easier to accomplish and far cheaper.....yesterdays technology IMNSHO
#13
I think its a very high possibility we will see it in the next few years. I'd be willing to bet Nissan does a mild "update" to the 370Z 2-3 years into its production cycle just like they did with the 350Z. Probably add DI at that point as well as a few other little tweaks across the board.
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Thanks
I appreciate the response to the question. Will look forward to the addition of DI in the future and for it to occur during an update makes sense.
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i wonder if anyone thought of DI and its effects in aftermarket tuning. yeah its probably better but if the fuel pressure needs to be really high and the injectors are more pricy and it needs more precision out of the ECU if the gains in the aftermarket will be as substantial or if the fuel system will become a limiting factor.
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If it was so simple, cheap and easy to design and implement, it would be on every car on the market for the fuel savings alone let alone the performance advantages. Obviously...it isn't.
Last edited by bruddahmatt; 01-22-2009 at 03:03 AM.