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How does 350Z achieve 280 hp?

Old Dec 7, 2001 | 04:53 AM
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How does 350Z achieve 280 hp?

Gents,

I've seen a few numbers bandied about for the new 350Z, but the one number I've seen over and over is 280HP with 246 ft-lbs Tq.

So the question is this: Same engine as Max, 25 hp more, how? Conversely, how is Nissan choking the Altima 3.5L down to 240 hp? Are they purposely restricting intake/exhaust to bring the numbers down or are they fiddiling with the ECU to do this?

If we can figure this out then I think we have a clear upgrade path.
Old Dec 7, 2001 | 05:15 AM
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There is probably more room for a decent exhaust system in the RWD car. A little more room on the sides.
Old Dec 7, 2001 | 05:22 AM
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The 350Z

has a different intake.
Old Dec 7, 2001 | 05:41 AM
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Re: The 350Z

I would think the 350z will likly have different Head and Cam specs to achieve the additional power.
Old Dec 7, 2001 | 11:43 AM
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it has magical powers...

actually its from its engine.
Old Dec 7, 2001 | 11:47 AM
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240 HP Altima

I was told that the difference between the 240HP Altima and the 255 HP Max was the variable flow muffler on the Max...

Guess that goes out the window once you replace the stock muffler, eh?
Old Dec 7, 2001 | 12:09 PM
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i think i read somewhere that it has reworked cams and a different redline.
Old Dec 7, 2001 | 12:39 PM
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Re: How does 350Z achieve 280 hp?

Originally posted by Eric
Gents,

I've seen a few numbers bandied about for the new 350Z, but the one number I've seen over and over is 280HP with 246 ft-lbs Tq.

So the question is this: Same engine as Max, 25 hp more, how? Conversely, how is Nissan choking the Altima 3.5L down to 240 hp? Are they purposely restricting intake/exhaust to bring the numbers down or are they fiddiling with the ECU to do this?

If we can figure this out then I think we have a clear upgrade path.
Higher compression pistons, cams/camgears, cpu tunning, and intake and exhaust upgrades gives the car that extra umph of power.
Old Dec 7, 2001 | 01:03 PM
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Its the headlights. They give you an extra 25 hp because of reduced optical friction from the special top secret nissan lights.


Old Dec 7, 2001 | 04:39 PM
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Originally posted by vandi
Its the headlights. They give you an extra 25 hp because of reduced optical friction from the special top secret nissan lights.


It's gotta be the Z symbol that gives all the extra power. Or the cams\exhaust\heads\intake. One or the other.
Old Dec 7, 2001 | 04:50 PM
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From: S O C A L
Originally posted by Tanmann9


It's gotta be the Z symbol that gives all the extra power. Or the cams\exhaust\heads\intake. One or the other.
No, no, no. You guys got it wrong, it's the taillamps. The frontward swept design fools the air into thinking the car is moving at a high rate of speed. This causes the air to move out of it's way and suck the car foward.
Old Dec 7, 2001 | 05:53 PM
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Well....to answer your question.....as "blackgums100" said. It IS the intake. There maybe more, like ecu/cams/exhaust, but intake plenum is RADICALLY defferent on the Z than on the max or altima. The plenum still comes up from the rear as it does on the sedans, but the z's engine is RWD I've got the r/t with a pic. I scan a pic later.
Old Dec 7, 2001 | 06:02 PM
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its the same thing just refined to a higher lvl. cam timing, maybe more aggressive cams, i was pretty sure i read the compression was gonna be different, lets hope it can live up to the image of the 300ZX Turbo
Old Dec 7, 2001 | 06:27 PM
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Originally posted by Ludacris


No, no, no. You guys got it wrong, it's the taillamps. The frontward swept design fools the air into thinking the car is moving at a high rate of speed. This causes the air to move out of it's way and suck the car foward.
Ah we have the answer .... it is the combination of the headlamps and taillamps providing forward lift.
Old Dec 7, 2001 | 06:34 PM
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Nissan also

tuned the exhaust and possibly increased compression. R&T estimated it at 6 flat to 60 and 14 flat in the quarter, that's with 280 bhp@ 6500 rpm and 253 lb-ft torque@ 4500 rpm. Keep in mind R&T did drive it, he clicked off 5.9 to 60, I guess no 1/4 time was tested. It
weighed in at 3,150. You gotta like the power numbers, should be somewhat attainable figures for VQ owners I would think.

It's definately a bad @ss looking car, especially from the rear(kind of 911ish), and the interior is sweet. Unfortunately with my 3 rugrats I will never own one.
Old Dec 7, 2001 | 06:53 PM
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Re: 240 HP Altima

Originally posted by 2K2Robin
I was told that the difference between the 240HP Altima and the 255 HP Max was the variable flow muffler on the Max...

Guess that goes out the window once you replace the stock muffler, eh?
i think the altima a variable flow muffler. you're talking about that valve that opens and closes right? they have a picture of it in the altima pamphlet just like in the maxima one.
Old Dec 7, 2001 | 07:24 PM
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None of you understand anything about technology. Allow me to explain what makes the engine produce 280hp. It's the roof that does it. It makes the engine think that it has to outrun people comparing it to a carppy 220hp TT.
Old Dec 8, 2001 | 08:45 AM
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Turbo

Why didn't they just use twin turbos on the VQ35DE to get the 350Z up to 320+ HP? That way it would surpass the 300ZX. Fools!
Old Dec 8, 2001 | 03:19 PM
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Re: Turbo

Originally posted by Tanmann9
Why didn't they just use twin turbos on the VQ35DE to get the 350Z up to 320+ HP? That way it would surpass the 300ZX. Fools!
They reason nissan discontinued the previous Z is because it was not profitable; no one was buying it because it was damn near $50,000(twin turbo) and for that price you might as well buy a Luxury car.The goal for nissan on the new 350Z is to keep the price under $30,000 thus making it avalaible to a broader customer base rather than one that has 50 gand to spend on a two door sports car with little everyday drivability. Using twin turbos would also require a host of other components(ecu, intercooler, boost gauge, air/fuel gauge, cone filter, MAF adapter,)Therefore driving the cost up which caused the death of the 300Z. this is also the reason the skyline GT-R is not sold in america sure it has all the high tech gizmos but to get that you have to pay $90,000!. How profitable do you think the NSX is for HONDA this is what happens when companies like Nissan/Honda/Toyota/Mazda(300z/NSX/Supra/RX-7) try to be ferrari and lamborghini
Old Dec 8, 2001 | 04:58 PM
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Originally posted by rubman
None of you understand anything about technology. Allow me to explain what makes the engine produce 280hp. It's the roof that does it. It makes the engine think that it has to outrun people comparing it to a carppy 220hp TT.
It looks more like a Porsche than an Audi TT. Who wouldn't want to have their car mistaken for a Porsche?
Old Dec 8, 2001 | 05:09 PM
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Re: Re: Turbo

Quit using facts and reason to explain this stuff!!
It's all about the power and the stickers and intangibles!


Originally posted by KP117


They reason nissan discontinued the previous Z is because it was not profitable; no one was buying it because it was damn near $50,000(twin turbo) and for that price you might as well buy a Luxury car. How profitable do you think the NSX is for HONDA. This is what happens when companies like Nissan/Honda/Toyota/Mazda(300z/NSX/Supra/RX-7) try to be ferrari and lamborghini
Old Dec 8, 2001 | 06:37 PM
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the import sport cars are like artists paintings and classical composers, they arent valued and sought after until after they die.
heh
Old Dec 9, 2001 | 05:03 AM
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Re: Re: Re: Turbo

Originally posted by Tanmann9
Quit using facts and reason to explain this stuff!!
It's all about the power and the stickers and intangibles!



Hey I am not the chairman of nissan,I dont have a say on what and why they build cars.But there is one thing you have to realize.....BUILDING CARS IS A BUSSINESS, nissan does not build cars to make enthusiast like us happy if they did the would not have discontinued the 300ZX,they bulid cars to make money.If a twin turbo charged VQ35DE won't make them money it won't be built.You may hate all my factual reason but it is a real as the hair on your head so you have to well....just deal with it
Old Dec 9, 2001 | 08:07 AM
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I recall that the VQ35DETT is on the new GTR concept car. It's supposed to be around 400hp.

"If you build it, they will drool."
Old Dec 9, 2001 | 09:23 AM
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Re: Re: Re: Re: Turbo

Originally posted by KP117



Hey I am not the chairman of nissan,I dont have a say on what and why they build cars.But there is one thing you have to realize.....BUILDING CARS IS A BUSSINESS, nissan does not build cars to make enthusiast like us happy if they did the would not have discontinued the 300ZX,they bulid cars to make money.If a twin turbo charged VQ35DE won't make them money it won't be built.You may hate all my factual reason but it is a real as the hair on your head so you have to well....just deal with it
What if I wear a toupee, huh??
Old Dec 9, 2001 | 10:24 AM
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Those front lights add the extra 25HP over the max, so i don't know what you are all talking about. Wait until i get my clear corners, i'll be developing the same HP as the new max with my 65HP boost in mental HP
Old Dec 9, 2001 | 10:40 AM
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The Skyline GT-R doesnt cost 90 grand in Japan, it only costs so much here because a small company is behind it, and THEY need to make a profit. The Supra Turbo was like 50 grand when it was on the market here, and in japan its like 40 grand, so if Nissan did bring the GTR here im pretty sure it would be less than 90 grand, because 89,500 is MotoRex's price for the GTR. The NSX costs so much bc its hand made and it qualifies as an exotic, and for an exotic its pretty low priced, if u compare it to like Lamborghini or Ferrari. Even the Nissan Sylvia costs a mere 23 grand for brand new in japan, only problem is, for any individual to import it, the cost would rise beyond 35 grand.
Old Dec 9, 2001 | 01:02 PM
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Originally posted by SkylineGTR
The Skyline GT-R doesnt cost 90 grand in Japan, it only costs so much here because a small company is behind it, and THEY need to make a profit. The Supra Turbo was like 50 grand when it was on the market here, and in japan its like 40 grand, so if Nissan did bring the GTR here im pretty sure it would be less than 90 grand, because 89,500 is MotoRex's price for the GTR. The NSX costs so much bc its hand made and it qualifies as an exotic, and for an exotic its pretty low priced, if u compare it to like Lamborghini or Ferrari. Even the Nissan Sylvia costs a mere 23 grand for brand new in japan, only problem is, for any individual to import it, the cost would rise beyond 35 grand.
Exactly how "Cheap" do you think a car with a on-board computer that can tell you lap times and acceleration figures?; In american dollars the Skyline cost $77,419! in England and about $44,580 in Japan So in america it would probaly be closer(if not more) to the UK price. It may not be $90,000 but i'm sure it would be WELL OVER $60,000(Which is an excellent price for a super car) the reason cars are cheaper in japan is because consumers dont have to pay the import taxes,gas guzzler taxes and luxury taxes that would apply to a GTR-R34 sold in the U.S.

P.S : And on the NSX, no one wants to pay $88,100 for a imitation exoctic with a honda engine








Old Dec 9, 2001 | 01:21 PM
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Re: Re: Re: Re: Turbo

Originally posted by KP117



Hey I am not the chairman of nissan,I dont have a say on what and why they build cars.But there is one thing you have to realize.....BUILDING CARS IS A BUSSINESS, nissan does not build cars to make enthusiast like us happy if they did the would not have discontinued the 300ZX,they bulid cars to make money.If a twin turbo charged VQ35DE won't make them money it won't be built.You may hate all my factual reason but it is a real as the hair on your head so you have to well....just deal with it
Supposedly the 3.5L VQ is going in the next Skyline GTR, so it very likely will be twin turbo'd. Now I wonder if we can do an engine swap into a 02 max after that engine comes out? Mmmm... I'm drooling just thinking about it.

Stereodude
Old Dec 9, 2001 | 01:28 PM
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Re: Nissan also

Originally posted by Blackgums100
tuned the exhaust and possibly increased compression. R&T estimated it at 6 flat to 60 and 14 flat in the quarter, that's with 280 bhp@ 6500 rpm and 253 lb-ft torque@ 4500 rpm. Keep in mind R&T did drive it, he clicked off 5.9 to 60, I guess no 1/4 time was tested. It
weighed in at 3,150. You gotta like the power numbers, should be somewhat attainable figures for VQ owners I would think.

It's definately a bad @ss looking car, especially from the rear(kind of 911ish), and the interior is sweet. Unfortunately with my 3 rugrats I will never own one.
it shouyld be faster than 14 flat. i will have my 6-spd max close to that by next season. i ran a 14.3 already i'm thinking around 13.8.
Old Dec 9, 2001 | 01:39 PM
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Re: Re: Re: Re: Re: Turbo

Originally posted by Stereodude


Supposedly the 3.5L VQ is going in the next Skyline GTR, so it very likely will be twin turbo'd. Now I wonder if we can do an engine swap into a 02 max after that engine comes out? Mmmm... I'm drooling just thinking about it.

Stereodude
Is it just me or does it seem nissan is trying put the VQ in in all their cars?(altima,maxima,350Z,Infiniti G35)and now MABEY the next generation Skyline GTR, call me insane but it looks like nissan trying to save money(it must be expensive to make an inline-6 solely
for the current GTR)what do you guys think? and also I know the VQ is a wonderful power plant but if the R34 inline six was not turbo-charged do you think it would be better than the VQ?
Old Dec 9, 2001 | 01:49 PM
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Re: Re: Re: Re: Re: Re: Turbo

Originally posted by KP117

Is it just me or does it seem nissan is trying put the VQ in in all their cars?(altima,maxima,350Z,Infiniti G35)and now MABEY the next generation Skyline GTR, call me insane but it looks like nissan trying to save money(it must be expensive to make an inline-6 solely
for the current GTR)what do you guys think? and also I know the VQ is a wonderful power plant but if the R34 inline six was not turbo-charged do you think it would be better than the VQ?
no, it only makes like 286hp but it's closer to 320, it's just downrated cus of japan laws. so take away both turbos and your right around 255hp with less torque.
Old Dec 9, 2001 | 02:56 PM
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Re: Re: Re: Re: Re: Re: Re: Turbo

Originally posted by dmbmaxima88


no, it only makes like 286hp but it's closer to 320, it's just downrated cus of japan laws. so take away both turbos and your right around 255hp with less torque.
Gee I dunno, the current VQ is making 255 with 3.5 liters which is huge as far as V6 displacements go, the skyline inline-six is a mere 2.6 liter power plant. If a 2.6 liter skyline engine would make about 255 with out the twin turbos that is considerably more than the last VQ's which were closer in displacements but still larger(3.0L).Nissan sipmlpy bored out the 3.0L VQ's to 3.5L to get that extra torque and horse power;so imagine if the same was done to the paltry sized 2.6 liter inline in the skyline(mabey from 2.6 to 3.2 like the same size in the new BMW M3)the M3 inline-six at 3.2L makes 322hp and is still smaller than the 3.5 VQ. Anyway I would like to know what you guys think about this?
Old Dec 9, 2001 | 09:54 PM
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My opinion is the HP numbers from Nissan are marketing B.S. The performance numbers for all three cars are nearly the same. That different intake on the Z was probably necessary because of the RWD configuration, and yes, the Max muffler may add a few HP. Pull the long blocks out of all three and I bet they're the same inside.
Old Dec 9, 2001 | 10:22 PM
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u have to remember that the M3 engine and the RB26DETT engine both rev up to a hefty 8000 rpm redline. The M3 motor has 11.0:1 compression too so i guess its cheaper to increase teh displacement than to change the other little things. I dont think the GTR's 2.6 liter power plant would put out that much power without the turbos, the 2JZ-GTE vs 2JZ-GE, Supra engines, turbo and non turbo respectively, is a good example i would assume, the 2JZGTE put out like 320HP and the 2JZGE put out 220HP, and the non turbo had a compression of like 10.0:1, i think if the turbo was taken out of the turbo motor, i would assume numbers in the sub 200HP.
Old Dec 9, 2001 | 10:27 PM
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but still, the inline 6 of the GTR was like, a signature part, i think nissan shoulda kept the I6, VQ is great but the RB series of engine was kinda part of the heritage of the skyline.

and i think nissan is leaving the R34 GTR chassis, and im pretty sure some of u guys have seen the R35 concept, looks kinda Z Carlike, i think nissan made a mistake with that concept.
Old Dec 10, 2001 | 02:33 AM
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Originally posted by SkylineGTR
u have to remember that the M3 engine and the RB26DETT engine both rev up to a hefty 8000 rpm redline. The M3 motor has 11.0:1 compression too so i guess its cheaper to increase teh displacement than to change the other little things. I dont think the GTR's 2.6 liter power plant would put out that much power without the turbos, the 2JZ-GTE vs 2JZ-GE, Supra engines, turbo and non turbo respectively, is a good example i would assume, the 2JZGTE put out like 320HP and the 2JZGE put out 220HP, and the non turbo had a compression of like 10.0:1, i think if the turbo was taken out of the turbo motor, i would assume numbers in the sub 200HP.
So how much power do you think the GTR inline-6 could make if the displacment was increased to about 3.2L, mabey you are familiar with the skyline 400R it has the same engine as the GTR but is punched-out from 2.6L to 2.8L, it makes 400HP! yeah there are other mods the car has that contribute to the power increase but I'm sure the displacement was not increased for nothing.So in summary the 2.6L skyline GTR makes about 320hp, the 2.8L skyline 400R makes 400hp;how much do you guys think the displacement increase has to do with the increased power and how much power do you think a N/A skline engine punched-out to the VQ35DE dispalcement could make(mabey M3 power?) whada ya think?
Old Dec 10, 2001 | 02:50 AM
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Old Dec 10, 2001 | 03:20 AM
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Originally posted by ToYLeT902
Why are you embarrased?
Old Dec 10, 2001 | 09:00 AM
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yea the 400R was bad***, hehe, but it revved up to 10000 RPM if im not mistaken, 2000rpm higher redline, .2L of displacement, and i think it was higher boost too. but yea if the RB26DE was bored/stroked to the VQ size of 3.5L, and if the rest was still the same, 8000 rpm redline, twin turbos etc... i think numbers up to about 360ish would sound about right.

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