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So let's hear it from you gran autism/o/s

The context is either a luxury coupe or a full in sports car. What's the comparison like? What' are the strengths and weaknesess from each?

As for me I'm driven towards V12 biturbos, since that's what most top of the line cars actually carry, but anon on here showed me an 8L V8 and that's pretty fucking hot ngl, sound like a meaner harley.

So since I'm not an expert let's discuss what (You) guys have to say about it.
>>
more cylinders is better.
>>
>>28885388
with the same capacity? why is that though?
>>
There's a point where the weight, size and complexity isn't worth it. Just an expensive trinket that's one missed (expensive) service from being a total clusterfuck. [See: M275].
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>>28885399
I would argue that if you're buying that kind of car you wouldn't mind the extra cost for maintenance, obviously not for plebs like us, but alas
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>>28885388
Kinda but mo cc even more betta. Mo cylinders means less cc per cylinder which pushes the power torque curve higher the rpm range but also mo cylinder also means smaller cylinder for same displacement which means mo rpm and mo rpm is mo powa bb. Mo cc with less cylinder means bigger boom per cylinder which means mo work but less powa
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>>28885534
>which means mo tork but less powa
>>
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it would be ideal if /sci/ explained the purely physics and mechanical side of high capacity V8 vs V12

like for example, in a purely hypothetical scenario, imagine an 8L V8 vs an 8L V12, what would be the performance of it
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>>28885804
An 8L V8 can make over 12,000hp. I have yet to see a 8L or similar anything other than a V8 come close to that. I think that's all you need to know there.
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>>28885820
found me an 8L V12
>"1931 Maybach DS8 Zeppelin"
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>>28885395
In line 6 is perfectly balanced in every axis. But it’s weak, so what you do is you slap two together. But then you realize you can get basically that with a v8. So realistically it doesn’t matter
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>>28885804
More cylinders at the same displacement means you could run a much shorter stroke.
That theoretically can allow you to spin more RPMs and therefore make more horsepower per liter.

However there's lots of drag race 8.0L pushrod v8s that spin 9,000+ RPM
So that point is kinda Moot.
>>
>>28885850
then why are top of the line sport cars v12 for the most part? it's pretty much like the luxury option in those, except for strange stuff like the amg one, every other such vehicle I'm referencing fits the description
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>>28885856
You need more cylinders to make more NA power when you're cucked by emission, reliability and engineering constraints. Obviously in the non production world you just throw more displacement at the problem.
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>>28885856
More cylinders will make the same power with less stress on each individual cylinder. This is good for luxury cars, so you can make a smoother ride with more readily available power without taking it to higher revs
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>>28885860
v12 are nothing new or born out of emission laws
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>>28885846
https://www.youtube.com/watch?v=G95Dj7zbtMY
>>
V12 is cooler because bigger is better.
V8 are cylinderlet cars.
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>>28887667
I like the way you think, but there's the counterpart, that V12 are the actual cylindrelets with same engine capacity, v12 has smaller cylinders, but more of them
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>>28885856
Because euros can't into big V8s with low end torque. For 1) it would mean actually making something reliable and 2) lose money in the long run when they can't charge your an engine out job to change a sparkplug buried underneath a firewall
>>
>>28885856
Because at that point sensible engineering decisions can and will be shown the door in order to chase prestige and subjective feeling. A modern boosted V8 could effortlessly achieve whatever power delivery targets they're chasing, but it wouldn't have the same feel and cachet as a high strung V12 ripper with peak power around 9000 rpm.
>>
subjectively, I like v8s, but v12s more, the luxury car market also agrees for the most part
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>>28887907
Then it would be a displacementlet. V8 will always be cylinderlet engines to me, it's funny to bully them from my multi cylinder throne until they start going
>W-what about displacement
And the ever favourite
>Muh HP
Literally the same arguments and cope you get between civic and camaro owners.
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>>28885395
For a given displacement more cylinders will mean a higher redline
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>>28885383
V12
It's more exotic.
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yo niggas, fuck ya feels, what r teh maths?
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>>28888888
>>
V12, luxury or scam?
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>>28885383
In real life I've only seen an XJS from the 70's or 80's startup and it was weirdly smooth. It sounded like if you try and start a normal car with no spark plugs.

>>28885918
Look up motor week from the 90's for the Mercedes v12 and the v8 with about 6 litre. The V12 was slightly slower.

>>28885846
And the Cadillac from the 30's. It has 180 hp when a normal car could be between 40 and 80 hp.
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>>28891802
>Look up motor week from the 90's for the Mercedes v12 and the v8 with about 6 litre. The V12 was slightly slower.
The V8 has always been the better Merc option unless you just want the badge
M119>M120
>>
>>28891808
well teh tru fax are that merc have moved v12 to extra luxury dept (maybach), leaving mercs with 0 new v12s



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