New Skyline R35 GTR engine - Page 3

Holyterror · #31 08-01-2002, 12:22 AM

VTC is the basic cam-phasing method that everybody is using; Nissan has been keeping neo-VVL in Japan so far. VVL is identical to VTEC except that there is a delay between the intake and exhaust cam changeovers to smooth out the transition. It seems like Nissan is trying to replace VVL with variable capacity mufflers and possibly variable intake manifolds. This reduces valvetrain complexity and increases reliability. It also leaves less weight on the valvetrain, which seems to be a big thing for Nissan now (check the hollow cams and flyweight valve springs).

The fattening of the GT-R didn't have much to do with the engine. Granted, the RB26 is heavy, but no aluminum engine is going to stomach 1000 horsepower so easily. Weight is very important in terms of handling, but straightline performance is more important in this country. In that arena, the RB26 still wins, because its output more than makes up for the extra bulk. I think the VQ has four basic advantages over the RB: cost, weight, packaging, and emissions. The RB beats the VQ in: durability, power, efficiency, and aftermarket. The latter will probably change in the coming months, with so many Nissans sharing the powerplant.

VRThashiriya · #32 08-01-2002, 05:21 AM

everyone has good ideas and points. The fact that to own and operate a car is so expensive in Japan and that cars/tags are classified by displacement and size weight, etc, it's very likely we'll see the V6+aspiration in Japan, and possibly the V8 in foreign markets. Additionally, though I've read various scoop mags jump from turbo to supercharger guesses, the Japanese market is solid turbo minded. Tuners here rarely do any real tuning of supercharged cars. And the aftermarket is a driving factor in many Japanese car enthusiasts" decision on car buying.

Just a few thoughts. Either way, it's about time--he possibility of this legend being available in full production overseas on mass scale is awesome.

VQuick · #33 08-02-2002, 10:20 AM

I have no idea why, though. Might be because they want lower emissions or they just want to be different. I remembered seeing their supercharged Toyota V6 in a magazine.
With supercharging, it's really hard to get the top end power they like so much over in Japan. A lot of the tuner cars over there have turbos(duh), and the lag lasts for something like 10 seconds. Suddenly, the turbo kicks in, and you get slammed back in your seat. Less than two seconds later, you have to shift again, and the lag returns.
I know I'm exaggerating what the cars are really like, but most of them do have really narrow powerbands like that.

Mech · #34 08-03-2002, 02:59 AM

At the moment Nismo is conducting evaluations with six GT-R test mules using chassis underpinnings from the V35 skyline coupe at the Renault test facility in France. The engines under evaluation are a V8, the VQ series V6 and the RB series engine stroked to 2.8 litres. Apparently all of these engines are being tested in normally aspirated and turbocharged forms. Unfortunately it seems that the VQ is only good for 400 kw (538 hp) before the block cracks.

VQuick · #35 08-03-2002, 09:31 PM

I guess it's better than one of us finding out, huh?

That's pretty good, considering the VQ is just an aluminum block, open deck V6. It makes about 410hp in normally aspirated racing form, but that's because it was the 3-liter version. Normally aspirated engines tend to be capable of less because they're being pushed so hard, too. Maybe Nissan could get more power with a closed deck version.
Still, I'd like to see what a VK-series V8 is capable of. I bet it can handle at least 600hp.

raven1822 · #36 08-07-2002, 08:14 AM

Everyone speculates which is fine, but be realistic Nissan is putting their VQ35 in "everything" What really makes anyone feel that they would stray so far away and use something like their GT1 Le Mans engine or a infinity V8 (although I can see the V8 as a possibility because it is available and already being produce for the Q)

Everyone complains about how much Motorex is charging for old Skylines, but what do you think it will cost you to buy a NEW Skyline with a Le Mans derived engine or a Q45 engine???? Get a grip. If anyone wants to be able to affored a new GTR than you ALL better pray for a VQ35 turbo engine (which still may be pricey)

Pennzoil GT-R · #37 08-07-2002, 09:28 AM

everyone specualtes because they hear little bits on info here and there of people who DO know. the GT1 engine i heard about would be very loosely based on the the proper one, and would have nothing like the magnesium head found on the real one. as for the Infinity its American, i am not, so i dont have a damn clue about that. i think the most likely engines are gonna be inline 6 TT or inline 6 supercharged, hopefully the former.

raven1822 · #38 08-07-2002, 09:37 AM

Nothing wrong with speculation, but again eveyone should be realistic. I honestly enjoy all the "clues" that are offered. As far as information posted by people who are "in the know"? Who on this board really does know? If someone did than we would not be having this on going discussion.

Now I am sure that Nissan is testing and keeping their options open however, be realistic who is going to be able to afford a GTR that is so "tuned to the tits". If 1993-1997 Supras, 3000GT's, and RX7's etc. were priced at 40,000USD back then what do you think a V8 or GT1 based Nissan is going to cost?

You can make the arguement that there are people who can and will afford it and hence will purchase one. But be honest if the majority of us could do so, wouldn't we all be on the Acura NSX or Dodge Viper message board right now??????

Pennzoil GT-R · #39 08-07-2002, 12:11 PM

i mean magazines know little bits of info, i agree most people on here are just specualting what they have read. but the magazines do have many contacts within companys

VQuick · #40 08-12-2002, 08:36 AM

To think that Nissan might use a V8 for the GT-R...At least in the U.S. market anyway. You could say they're usig the VK for everything, too. The Q45 already has it. The M45 sport sedan will have it when it comes out this fall. So will the FX45 crossover sport ute. There's even supposed to be a Nissan full size pickup that will use this engine. The VK won't be so exclusive anymore. If they're already making a bunch of VKs for these vehicles, why not a few more for the GT-R?

A lot of Nissans use some variation of the VQ's technology. Heck, even Renault is using VQs now. There's the VQ V6, VK V8, and QR I4. This cuts down on costs for Nissan because they have to use fewer different engines. Nissan is already saving a lot of money with this new engine lineup, so they can probably afford to splurge on the GT-R.

fbarbara · #41 08-20-2002, 09:36 AM

One, where do you live? I live in Japan. If you live in the states, an R34 GTR will run you about $80,000-$100,00. If you live in japan it will cost anywhere from $20,000-$65,000 depending on whether it is new or used. R35 is just the model of the car, not the engine. All of the GTR's have an RB26, four cylinder, twin turbo, 280bhp engine without modification. There is one R34 GTR engine in Japan that was modified to an RB30. RB is your liters. I had owned an R33 GTR paying only $200 for it from a marine going back to the states. He couldn't sell it in time to go back. I then threw another $7000 dollars into it making it sit around 650BHP. It was totaled by one of my friends. I currently own a 1989 2+2 300zx. It is to heavy though weighing in at around 1600kilos. Oh well, life sucks. If you have any questions about any type of GTR fell free to ask me. If you would like to bring a GTR back to the states you will have to pay motor x an arm and a leg. Your best bet to owning a GTR is to learn how to speak Japanese and live in Japan.

Pennzoil GT-R · #42 08-21-2002, 05:51 AM

in the future i am thinking of going over to japan, buying a Skyline (R34), coming home whilst leaving it to a Japanese tuner (lets face it they are the only ones who can do them properly) to do up, and then going back when it is finished and have it shipped back with me. as you're from Japan do you think this would be a cheap option? im from England btw not the US.

Gonthrax · #43 08-21-2002, 10:48 AM

Quote:

Originally posted by fbarbara
One, where do you live? I live in Japan. If you live in the states, an R34 GTR will run you about $80,000-$100,00. If you live in japan it will cost anywhere from $20,000-$65,000 depending on whether it is new or used. R35 is just the model of the car, not the engine. All of the GTR's have an RB26, four cylinder, twin turbo, 280bhp engine without modification. There is one R34 GTR engine in Japan that was modified to an RB30. RB is your liters. I had owned an R33 GTR paying only $200 for it from a marine going back to the states. He couldn't sell it in time to go back. I then threw another $7000 dollars into it making it sit around 650BHP. It was totaled by one of my friends. I currently own a 1989 2+2 300zx. It is to heavy though weighing in at around 1600kilos. Oh well, life sucks. If you have any questions about any type of GTR fell free to ask me. If you would like to bring a GTR back to the states you will have to pay motor x an arm and a leg. Your best bet to owning a GTR is to learn how to speak Japanese and live in Japan.

What?....

Ok, first of all, RB26DETT. An inline six twin turbo that is factory rated at 276hp. Dyno tests say otherwise. Second of all, there are lots of RB30s out there in various states, RB30E, RB30DE, RB30DET...

I don't mean to jump your shit but please, comming into an engine discussion and saying the RB26 is a 4cyl?

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