TOP NA ENGINE
- Thread starter ewicong
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yes, u r rite... race look at torque..
bt torque look at cc also...
normally 1L will produce 100Nm - 110Nm (some lesser)
example, m5 (s65) 5.0L produce 520Nm
enzo 6.0L produce 657Nm
so if everyone using same cc, hard to compare. cos everyone's torque almost the same...
torque always tight to cc bt hp no....
p/s: turbo different story...
The Necessary
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It's "easier" to extract higher per specific volume power/torque figures from a smaller engine due to their inherent ability to rev higher due to lower masses, friction, etc. Just look at motorbike engines which rev up to 12k rpms easily.
But to plainly say that a higher CC/number of cylinders configuration engine is more "high-tech" and "better" than a lower CC/less number of cylinders engine, even though they have the same specific output (HP, as the higher CC/cylinder car should always have the torque advantage, especially in high revving applications), is a bit rash and naive.
The only thing you can say, for sure, is that the bigger engine is more expensive to make!
Another thing to consider is that for a particular cylinder configuration (ie. flat/in-line 4, V/in-line 6, V8, V10, V12, etc.) there will be a limit imposed by the size/weight of the pistons and the speed that they can safely travel. That is the limitation of technology. You wouldn't have seen many 4 cylinder 2 litre engines back in the 50s', as a piston of sufficient size to displace 500cc was probably too bloody heavy in those days' technological level. Hence, Ferrai had small displacement V12s, etc.
But to plainly say that a higher CC/number of cylinders configuration engine is more "high-tech" and "better" than a lower CC/less number of cylinders engine, even though they have the same specific output (HP, as the higher CC/cylinder car should always have the torque advantage, especially in high revving applications), is a bit rash and naive.
The only thing you can say, for sure, is that the bigger engine is more expensive to make!
Another thing to consider is that for a particular cylinder configuration (ie. flat/in-line 4, V/in-line 6, V8, V10, V12, etc.) there will be a limit imposed by the size/weight of the pistons and the speed that they can safely travel. That is the limitation of technology. You wouldn't have seen many 4 cylinder 2 litre engines back in the 50s', as a piston of sufficient size to displace 500cc was probably too bloody heavy in those days' technological level. Hence, Ferrai had small displacement V12s, etc.
yes yes, u got the point....
bt hw come some car builders just cant make a bigger enginer with higher hp...
like Volkswagen, they hav w12 bt with normal hp....
i believe they dun hav financial problem in building up a gd engine...
i think shd be because of technology, if nt, bmw, ferrari will nt always win the prize....
actually i dun knw also. hope u can help to answer....
dun worry...Originally posted by Zoggee@Jan 9 2006, 04:40 PM
ewicong
:blush: dun be angry ah..... but my Monster is powerful..its NA and its tough .
Flash.... c1p3k(selfmoderated)
why spill the beans....????
just a discussion....
i agree tat truck engine torque is damn powerful.... sometime at traffic light i lose to them.... hahaha....
The Necessary
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Every type of car also got engine what. SUV, Saloon, Sports Car. All got engine. You think every engine also the same ah? For max performance all the time ah? Not everyone wants max power at 8000rpm, you know. What about cost considerations? So many things to think about, yo.
yes, expert u r rite...
mb we shd talk abt benz amg, or audi rs...
they all using turbo or kompressor....
but bmw, ferrari only using na engine, still able to beat them....
only recently audi has new rs4 na engine, 4.2L~420HP = 100hp/L
somemore if u compare the normal na engine among benz, bmw, audi, u will noticed tat bmw is the leader...
does it represent something?
is the figure tell the truth??
