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EIGHT POINT FOUR LITRES
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WHY IS IT SO BIG?

Like, of course a classic American sports car needs a big engine, but they're usually somewhere been a hefty 4 to 7 litres. This is well beyond that though.

This is RV engine big.
This is semi truck big.
This is WWII fighter big.
This is locamative big.
This is industrial turbine big.
This is Saturn V rocket big.

WHY IS THE ENGINE SO BIG?
>>
>>14195050
It's a modernized, more batshit insane spiritual successor to the cobra. The cobra was like 7L. In a fucking tiny car. It's only fitting to have batshit insane displacement in its successor. Also
>need a big engine
>need
>>
Well if you want 600+ naturally aspirated hp you're gonna need a lot of displacement.
>>
>>14195050
>litres
>litREs
Europoors aren't meant to understand this. Also semi truck engines are usually at least 12 or 13 liters.
>>
>8.2l
>300 hp
>500 lb·ft
>fwd land boat
>based Cadillac
>>
>>14195050
Big engine, big tires, big wing, it's a simple formula for success.
>>
>>14195071
>yurop

Canada
>>14195070
77hp per litre isn't a whole lot even for NA if you think about it. Does displacement get diminishing returns?
>>
>>14195083
Yes, yes it does get diminishing returns.
>hp/fucking liter again
>people besides hondatards thinking it has ever been relevant
>>
Pushrod engines can't rev as high as ohc engines. In order to make power they need larger displacement. The actual size of the engine isn't all that huge. Since the cam is in the block the heads are smaller allowing the Viper to have a low hood.
>>
>>14195050
When you start getting into this level of enthusiast cars, the answer is between "FUCK YOU!" and "Why not?" With the reply being along the lines "Because we could."
>>
>>14195245
+1
>>
https://en.wikipedia.org/wiki/Mercedes-Benz_M120_engine
embarrassing power out put at times
its my favourite engine just for the way it moves between rpm ranges steady and smooth
>>
>>14195089
>>14195083
You should keep in mind the engine can make more power. It's under tuned for reliability. Viper engines can handle 1,000 HP with stock internals.
>>
>>14195409
Very much this. If you have the money it's really not that hard to grab a LS and put out 1000+ hp. Putting out high horsepower on an engine that will survive more than one season of track days is really hard.
>>
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>>14195050
No replacement for displacement
>>
>>14195050
Because it can be. Snek isn't about practicality.
>>
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>>14195564
is snek new meme
>>
>>14195050
It's getting a modestly tuned enormous engine, so Sneks will outlast their 2017 cancellation by a century, rather than breaking down after a couple seasons on the track.
>>
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>>14195070
The vipers engine is tuned DOWN
1) To actually solve its power delivery issues
2) Asshurt Italians
LETS not forget that dodge is owned by fiat, who also owns Ferrari. Think about how asshurt the snobs at Ferrari would be if a 100k american car BTFO the F12 Berlinetta and costs 1/4th the price? They had to preserve the status of Ferrari, just like Chebby and not letting anything progress farther than the corvette in performance.
>needing more than 645hp
what the fuck are you gonna even do with that much power
>>
>>14195591
>what the fuck are you gonna even do with that much power
non of your goddamn business
>>
>>14195050

U big fkin silly
>v8 usually been a hefty 4 to 7 liters
>Viper has a v10
>8.4L

Thats why
>>
Because fuck you. That's why.
>>
>>14195072
I'd kill to hear that at 2k rpms from inside the cabin.
>>
>>14195245
This is what shitbox enthusiasts will never understand.
>>
>>14195714
Motortrend described the idling sound as mix between a supercar and a large dump truck. Amazing if you ask me.
>>
>>14195719
>Hnnnnnnnnggggggggggg
>>
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>>14195564
Snek is long and needs a lot of room.
>>
>NEED
Nothing gets me instantly upset like some yurocuck asking why we as americans "need" the freedoms we enjoy.
>>
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tfw: your very own custom snek is one hundred and forty one thousand dollars more than your current fun car budget.

Feels very despondent, brothers.
>>
>>14195105
This. An ls/lt1 weighs less and is actually smaller than the total volume/weight of most turbo setups like the gtrs.

A dohc coyote is fuck all HUGE and its only 5 liters.

So displacement is irrelevant, especially when ohv are far more reliable, lighter, smaller
>>
>>14195815
We're all gonna make it.
>>
>>14195591
>who owns ferarri
NOT ANYMORE CHUMP
>>
>>14195050
Why not?
>>
>>14195050
Why not?
>>
>>14195591
I'd bet money the ACR is faster than anything Ferrari has out now short of The Ferrari and F12td
>>
>>14195050
>mfw even the Veyron has a smaller engine
>>
>>14195591
https://www.youtube.com/watch?v=L53gjP-TtGE
>>
>>14195362
This explains why the Germans failed so miserably in ww2. It all makes sense now.
>>
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>>14196180
>7.7L flat six

So does this
>>
>>14196180
>16.4
You on drugs m8
>>
>>14196789

The 16.4 refers to the 16 cylinders and 4 turbos. The displacement is 8 liters.
>>
>>14196180
Yes but the displacement is bolstered by 4 turbos meaning its "real" volume is a a lot higher than 8L
>>
>>14196852
Have you seen a picture? Of just the engine? Its the size of my bathroom.
>>
>>14195719
I've got a 460, or 7.5liter engine and it makes a nice low wubwubwub at idle. Helps that it is straight piped
>>
>>14196179
Snek ACR is probably still faster than the tdf. The huge amount of aero makes a big difference
>>
>>14196914
Have they been on the same track?
>>
>>14196882
Doesn't change the fact that it's an 8L W16
>>
>>14196926
Likely not, but I'm going based on tracks that the TA and berlinetta have been on.
>>
>>14196937
I love Ferrari more than life itself but I really wish they weren't so fucking sensitive.
>>
>>14196871
No, that's not how it works
>>
>>14196961
This is exactly the reason why I've started to like Porsche. They back up their claims and aren't afraid of a challenge.
>>
>>14195070
The Enzo made 660hp NA back in '03 with only 6.0L.

Chevy was getting 400hp from 6.0L in '05, Chrysler was getting 345hp from 5.7L.
>>
big engine means it is less stressed. you don't want the snek to hand grenade like Ferrari?
>>
>>14196991
Having driven 911s and 458s I can't in all honestly say the same. Ferrari is like dating a supermodel that eats like a bird fucks like a pornstar ad doesnt say dumb shit in front of your friends, but will put a hit on you if you look at anothwr woman. Putting up with Ferraris bullshit for the privilege of driving their cars is just wprth it in a way thats almost impossible to explain.
>>
>>14197024
Wow my spelling is atrocious. Fucking touchphones.
>>
>>14197024
maybe if you think fucking some dumb whore is worth breaking your back over stupid shit.
>>
>>14197066
That metaphor went completely over your head.
>>
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>>14195050
Because anything else would be un-American.
>>
>>14197004

TORQUE motherfucker

600hp from 6 liters and 600hp from 10 liters are completely different, the torque-bands and power-bands are going to be completely different. They might produce the same hp but the bigger engine will do it at a much lower rpm's with way more torque.

tldr: stop fucking comparing just the horsepower ratings of shit.
>>
>>14197024
So what lady would the snek be?
>>
>>14195245
He gets the snek
>>
>>14197965
Your crazy unstable super hot ex that fucked like a maniac, and was amazing, but you were afraid she was going to go off and stab you in the junk for something you said.
+cocaine
>>
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>>14195072
>fwd
>v8 landyatch
>>
>>14195072
>... and with the precision of its front wheel drive...
Uhm.. What?
>>
>>14198020
>>14198087
you people have never heard of cadillac eldorado? where do you live
>>
>>14195050
Make the engine BIG
MAKE THE ENGINE BIGGER
>>
>>14195072
Didnt the 500 make 400hp and 550lb-ft in 1970?
>>
>>14195072
must twin charge...
>>
>>14198020
>>14198087
It was so that the interior had more room without the transmission or driveshaft tunnel.

Even then it handled better than any of the previous rwd eldorados, or any cadillac of the era.
>>
>>14197413
just saying torque doesn't mean anything
like, try to explain how the powerband might be better, but just "TORK" doesn't mean anything
>>
>>14196184
http://www.alanhamby.com/maybach.shtml
https://translate.google.co.nz/translate?sl=auto&tl=en&js=y&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Fwww.fahrzeuge-der-wehrmacht.de%2FArtikel%2FMotoren.html&edit-text=&act=url
>>
>>14197004
>all factory engines are built to be max effort dyno warriors
>>
>>14197413

It actually has nothing to do with displacement. It's all about the cam profile, length of intake and exhaust runners, and ratio of piston bore to stroke. That's why my friend's 1.4L runs out of steam at roughly the same rpm that my 2.0L wakes up and realizes it's supposed to do something.
>>
>>14198327

you have no idea what you're talking about
>>
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G U Y S
G U Y S
HOLY SHIT GUYS IT DOESN'T MATTER
BTFO
T
F
O
>>
>>14195072
Damn, I bet you could live in this thing.

Is there a wagon version I can turn into an RV?
>>
>>14198143
You are correct but that is in SAE gross measurements. I attempted to convert it to SAE net.
>>
>>14198180
My favourite part is that the engine is longitudinally mounted.
>>
>>14196979
I'm sorry, volumetric efficiency is higher than 8L of displacement compared to a non turbo 8L. Maybe I'm saying the wrong things here, or using the wrong wording. In essence, a turbo makes up for lack of displacement by forcing more air into a cylinder to increase its power output. The volume of the CC does not change so I guess I'm looking for the volumetric efficiency...
>>
>>14198101
That's a toronado....

Related yes, but not a caddy
>>
>>14198327
Wut? Displacement definitely factors into a torque figure dingus. Yes, your intake/exhaust being harmonically tuned for the engine will make more hp/tq, but all a cam is going to do is change when and where the power and what kind of power is made. Look at how a cam swap can gain you a ton of HP on the top end or lots of torque down low, or a compromise of the two with a more middling pb and grind but it will not give you both. However, keep the flow numbers on the heads, the cam grind, and every other dimension identical except bore and see if you don't make more torque and hp. Larger displacement engines make more power naturally by being bigger than smalls engines because if what you said is true, a super cam and head setup will get a Nissan 5.6 V8 to the same power and torque level as a 7.0L Hemi V8.
>>
>>14197965
I was talking about ferrari as a company
>>
>>14195072
Goddamnit based cadillac
>>
>>14198101
>>14198180
You misunderstood my "what". The key phrase was "precision of front wheel drive".

In what back asswards world is fwd ever more precise? Where did they get off with that marketing? Was fwd just new enough that common folk still assumed new means better for science reasons?
>>
>>14201853
I imagine having a cargo ship anchor over the front wheels of a car with too much weight to effectively transfer has something to do with it.
>>
>>14195791
>freedom
yea, keep believing that
>>
>>14202728
If you dont have the means to defend your freedoms, you don't have any.
/argument
>>
>>14195050
Viper ACR would if it would have:
>2-piece 4 (6?) DOF active rear wing
>active front wing
>active suspension
>diffuesr
>some kind of VVT/L
>electric motor and battery meant purely for standing in traffic jams
>>
>>14198327
>>14198678

If you want torque, stroke it. If you want power, spin it really fast.

Displacement, cylinder count/arrangement/hippie efficiency shit, all come after the former two factors are considered.
>>
>>14202794
But stroking an engine increases displacement anon....
>>
more bigger = more faster
>>
>>14198327
You're retarded
>>
>>14198362
>2.9 second 0-60
Jesus tapdancing Christ
>>
>>14195815
How can something look so good and perform so well.

Is it truly the GOAT?
>>
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>>14205999
It's not even a question.

2017 will be a sad year.
>>
>engine was designed by Lamborghini.
>>
>>14206017
Jesus fuck that thing is pretty as all hell. I'm immensely saddened that I will probably never, ever own a Viper of any kind. It's the ultimate FUCK YOU car anyone has ever made yet has the performance to back up that FUCK YOU and make it an even bigger middle finger to the whole world.
>>
>>14206106
>somehow thinking lamborghini would design a push-rod engine in todays time
>low HP per liter which europeans hate and mock
>if this engine was still in a truck or land-boat europeans would stay far away cause "lol no revs"

Sounds very un-european
>>
>>14206106
they did the block casting and crank geometry
otherwise it is a truck engine
>>
>>14206244
>>14206196
>being this wrong

the early iron protos were based on the big block and it was sent to lambirghini to be made out of aluminium and they redesigned it

>google
>>
>>14195083
Probably on from the sheer weight of the rotating assembly. It's hard to compare apples to apples because bigger engines can usually have taller or wider cylinder heads and get more optimal flow into the combustion chambers, making them more effective at gaining HP per cubic inch.
I make 775bhp without power adders on a 385 series Ford block stroked and bored to 521ci
>>
>>14206256
Akchewally it was based on the small block, otherwise youve pretty much got it
>>
>>14206256
way to be redundant idiot
>>
>>14206256
Lambogini worked on casting the block in aluminum, removing weight from the crank, and the cooling system. All under the watch of Chrysler engineers who were working on everything else on the engine.
>>
>mfw my old ls1 is considered small in the LS/v8 world
WELP
little 5.7 keeping up with the big boys

i dont know why more people dont do this

https://www.youtube.com/watch?v=6Y-CWWRx2Vg
>>
>>14206324
Needs a supercharger for maximum 'murica.
Seriously, I hope they make some kind of insane supercharged "final edition" Viper for next year with all the ACR aero and more, just so it truly goes out with the biggest fucking bang possible.
>>
>>14206342
Should be done at the Dealership, so Dodge doesn't have big daddy Fiat's hand up their ass
>>
>torque
>relevant
Just heel-toe downshift you fucking scrub
>>
>>14206379
This
>>14206342
At least we gave our falcon and commadore batshit sendoffs.

Fucking do it

Holy shit found one this is amazing

https://www.youtube.com/watch?v=7Gyw4JngpYA

>1000rwhp
>13psi
displacement cucks confirmed btfo
>>
>>14206394
>using a manual
>muh lack of torque
Lewl wtf just drive a auto dickhead
>muh peak HP tho
LEWL
>>
>>14206414
sequential dual-clutch or GTFO
>>
>>14206429
>DCT
Meh i like my oldschool manualized torque converter clutch pack autos mate

>not bamshifting at WOT
lame
Thread replies: 112
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Thread DB ID: 387122



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