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#2643657 - 06/03/12 06:56 AM Re: 4 cylinder Nissan Titan [Re: 4x4chevydude]
SteveSRT8 Offline


Registered: 10/10/08
Posts: 15403
Loc: Sunny Florida
Sorry Burt, but with all the variable valve timing tech being used in modern engines the torque curve is VERY flat on many designs.

Lots of turbo smaller displacement engines have peak torque way under 2000 rpm, some at 1500! Not giving much up to the diesels anymore.
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#2647889 - 06/07/12 07:05 PM Re: 4 cylinder Nissan Titan [Re: Burt]
OVERKILL Online   content


Registered: 04/28/08
Posts: 26820
Loc: Ontario, Canada
Originally Posted By: Burt
Originally Posted By: OVERK1LL

So while this new diesel certainly makes more torque than most of the smallest available V8's, it makes less than all of the larger V8's.


You forget to mention that diesels make all their torque at low rpm's and have a very flat torque curve, so it is more useable.


Even my old S62 has an almost perfectly flat torque curve from just off idle to the 5250 cross-over.
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#2654227 - 06/14/12 01:47 PM Re: 4 cylinder Nissan Titan [Re: FXjohn]
Bgallagher Offline


Registered: 04/17/12
Posts: 1304
Loc: Boston, MA
Originally Posted By: FXjohn
Originally Posted By: sasilverbullet
I just don't think the truck crowd will buy a 4 cylinder truck, diesel or not.


people who aren't ignorant about diesels are waiting for something like this,


+1
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#2658910 - 06/19/12 05:21 PM Re: 4 cylinder Nissan Titan [Re: 4x4chevydude]
dave1251 Offline


Registered: 07/15/05
Posts: 7394
Loc: Maricopa, AZ
I disagree. This would of been nice around 2005 or so. But today meh, what does the fuel economy numbers look like? Even if by the time this engine to hit the market 400 foot lbs of torque will be average and as SteveSRT8 has pointed out the torque curve of today's gasoline engines starts low and is pretty flat. People today that do not agree with this either do not understand how their engine, transmission, and gear ratio works or are forgetting the fact their pickup already weighs in at over 21/2 tons unloaded. Or they long for the good old days of carbs, cheaper gas, and AM radios.
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#2678937 - 07/09/12 01:16 PM Re: 4 cylinder Nissan Titan [Re: 4x4chevydude]
accent2012 Offline


Registered: 02/08/12
Posts: 441
Loc: Orlando, FL
Pickup trucks today are the equivalent of muscle cars back in the day.

V8 Hemi engine is all marketing. Lifted trucks with smoke stacks that don't see a lick of dirt are the new eye candy.

I've seen toyota pickups with the 22RE engine haul a 13-foot trailer with two Snapper riding mowers. Now that's a work truck.

I've seen remote access drilling rigs run off 4cylinder diesels and they can drill pretty deep through tough limestone.


Edited by accent2012 (07/09/12 01:18 PM)
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#2816969 - 11/28/12 02:19 PM Re: 4 cylinder Nissan Titan [Re: accent2012]
Fleetmon Offline


Registered: 01/26/12
Posts: 1066
Loc: Pa
Think DDC Series 50....heavy duty 4 cylinder diesel that can take up to 335 HP in a 60' articulated bus hauling 108 people (counting standees).

Give me a gasoline engine that will do that PLUS last 350k miles PLUS average around 4.5MPG operating in city traffic and making a minimum of one stop every block.....full on accel, off accel, full on accel, off accel, etc, etc, etc, etc for about 20 hours per day every day. Talk about soot generators! As a matter of fact, install two of your gas engines and let's see how they live!

The pick-up trucks of today.....ummmm...ahhh...nevermind....those who don't get it never will!
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#2836449 - 12/15/12 11:49 PM Re: 4 cylinder Nissan Titan [Re: 4x4chevydude]
L_Sludger Offline


Registered: 10/04/09
Posts: 2675
Loc: NORTHCOM AOR
4 cylinders in a diesel is perfect for a truck like the Titan - most owners use them to haul air anyway.

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#2839606 - 12/18/12 05:03 PM Re: 4 cylinder Nissan Titan [Re: 4x4chevydude]
m37charlie Offline


Registered: 06/08/09
Posts: 1146
Loc: Alaska
Originally Posted By: 4x4chevydude
ARE YOU KIDDING...the 4 cylinder diesel will put out more power than most v8 trucks....diesel is a very misunderstood concept I see...I want one as soon as they come out, money says I wont be getting one but ive seen gas trucks swapped to a 4bd cummons diesel and they have more torque and HP than the v8 that came out of it...added bonus of extra MPG's and you have a towing machine that will be more than capable of hauling most anything that a 3/4 ton truck can handle with better MPG's I personally think this was overdue and that the big 3 should start looking into switching theirs from 6-4 cylinders.


I couldn't agree more. >800ft-lb in a pickup truck that spends a lot of time empty and weighs ~7000 lb = ridiculous. Mercedes makes a 4.8L 4cyl that puts out 218hp at 2200 and 597 ft-lb, it runs a Unimog U5000 with a 30000 lb GVW and 45-50" tires.

Is it necessary or safe to be able to tow a 30' 5th wheel trailer uphill at 75mph?

Charlie
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#2847050 - 12/25/12 05:25 AM Re: 4 cylinder Nissan Titan [Re: sasilverbullet]
bigjl Offline


Registered: 09/06/12
Posts: 1715
Loc: London, England
Originally Posted By: sasilverbullet
Yeah, I own a Titan, very big and heavy. A 4 cylinder diesel? Sure if the pistons are the size of huge coffee cans!


From what I can see the Nissan Titan is a development of the Nissan Navara/Pathfinder platform.

The only engine available (till recently) in that is the 2.5 dci lump in my Pathfinder which is a turbo intercooled 4 cylinder diesel.

Latest ones can be had with a 3.0v6 diesel.

But the 2.5 can be remapped for over 200 bhp, not sure about torque though.

Recent 515cdi and 516cdi Mercedes Sprinters have 2.2 four cylinder engines these days in Europe, that is the engine they have in the newer Ambulances in London. Older ones were 416cdi with the 2.7 5 cylinder lump.

Not saying I prefer a 4 cylinder engine over a straight 5 or 6 cylinder or even a v6.

But they can be made to perform perfectly well.

And I suspect Nissan and Cummins has one eye on emissions, the stricter the emissions have got in Europe, Euro 2, 3, 4 and now 5 a gradual decline of economy has been noticed by many Navara/Pathfinder owners.

The fact Cummins are building a 4 cylinder Diesel engine for the Titan platform is interesting though, I know the Titan is a little bigger but would it be possible to fit the upcoming Cummins lump in a Pathy or Navara?

Maybe the engine is destined for use outside be US which is one reason for this project.

We now have "world cars", such as new Mondeo and Fusion, why not "world engines".
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#3046893 - 06/27/13 09:18 AM Re: 4 cylinder Nissan Titan [Re: bigjl]
MAHLE_Collector Offline


Registered: 03/09/13
Posts: 40
Loc: Hungary
Originally Posted By: sasilverbullet
Yeah, I own a Titan, very big and heavy. A 4 cylinder diesel? Sure if the pistons are the size of huge coffee cans!
89x100 a nice short CI block
Originally Posted By: bigjl

From what I can see the Nissan Titan is a development of the Nissan Navara/Pathfinder platform.

The only engine available (till recently) in that is the 2.5 dci lump in my Pathfinder which is a turbo intercooled 4 cylinder diesel.

Latest ones can be had with a 3.0v6 diesel.

But the 2.5 can be remapped for over 200 bhp, not sure about torque though.
That is correct. The Navara/Frontier has the same chassis as the Titan. The YD25 engine what You mentioned is getting stronger and more reliable. Our is the 174HP 403Nm mated to 6spd manual and no problems yet at 240k kms. Pulls like a train with 2 tonns attached.
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#3046920 - 06/27/13 10:13 AM Re: 4 cylinder Nissan Titan [Re: 4x4chevydude]
FXjohn Offline


Registered: 05/25/07
Posts: 1236
Loc: NE Indiana
the six cylinder diesel from chrysler may be a better bet

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#3122981 - 09/12/13 07:26 PM Re: 4 cylinder Nissan Titan [Re: 4x4chevydude]
simplistic Offline


Registered: 07/31/13
Posts: 152
Loc: Tennessee
Why are some people quick to trash something that's not even on the market yet. I for one would give the titan a serious look. I love diesels but I have way to much truck(see sig). I did need that much when I bought it, but things change.

This is something that anybody that has had a diesel would certianly give a hard look at. The power and fuel mileage will spoil anyone. For people that want or need a truck just not a 3/4 or bigger, this will give them the best of both worlds.

So instead of nitpicking and being so negative look at the WHOLE reason this was brought to market!
1. A market nich
2. People like me that a 1/2ton would be enough truck with fuel mileage and durability.
3. Cafe standrds
4. Any other reason that people would want one.

So if this type of vehicle is not what you want or need don't buy/look at it. Why be so negative on something that alot of other people would give a serious look at.


Edited by simplistic (09/12/13 07:33 PM)
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#3137691 - 09/27/13 01:30 PM Re: 4 cylinder Nissan Titan [Re: 4x4chevydude]
bullwinkle Offline


Registered: 10/09/04
Posts: 4220
Loc: Cincinnati, OH, USA
I would take a look because it's a Cummins engine-but the rest of the truck, including the non-HD non-floating rear axle would be a turn-off. Not to mention the inevitable DPF, emissions, etc. Funny that now that diesel is 25% more than gas they start becoming available in a LD truck again!
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#3169648 - 10/27/13 08:53 PM Re: 4 cylinder Nissan Titan [Re: 4x4chevydude]
volk06 Offline


Registered: 10/04/10
Posts: 4345
Loc: Iowa
I use to be all for a small diesel engine in a half ton. However, with newer turbo gas engines like the ecoboost its really not needed. The diesel engine will likely have a higher premium and the diesel fuel is more expensive. The ecoboost tows just like a diesel... Never downshifts and pulls right along while drinking the cheaper gasoline.
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#3169809 - 10/28/13 05:14 AM Re: 4 cylinder Nissan Titan [Re: 4x4chevydude]
Shannow Online   content


Registered: 12/12/02
Posts: 27265
Loc: a prisoner island
Can get the Cummins 2.8 downunder

http://www.carsguide.com.au/news-and-reviews/car-reviews-road-tests/foton_tunland_ute_review

with Getrag gearbox and Dana diffs tooo....

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