Engine Question (Pretty Quick)
Engine Question (Pretty Quick)
Author
Discussion

lightningghost

Original Poster:

4,943 posts

266 months

Monday 15th January 2007
quotequote all
Hi guys and girls,

What is it about a Honda S2000 engine that makes it able to rev to 9,000rpm without exploding unlike other engines?

Thanks


LG

Mikey G

4,836 posts

257 months

Monday 15th January 2007
quotequote all
Crank design, and valve train in basic terms

Probably a shorter stroke than a normal 2 litre engine, and the cam duration and lift are designed with heavier valve springs to stop them bouncing into the pistons at high speed.

lightningghost

Original Poster:

4,943 posts

266 months

Monday 15th January 2007
quotequote all
Mikey G said:
Crank design, and valve train in basic terms

Probably a shorter stroke than a normal 2 litre engine, and the cam duration and lift are designed with heavier valve springs to stop them bouncing into the pistons at high speed.


Thanks very much.

thong

414 posts

249 months

Monday 15th January 2007
quotequote all
lightningghost said:
Hi guys and girls,

What is it about a Honda S2000 engine that makes it able to rev to 9,000rpm without exploding unlike other engines?

Thanks


LG


they do blow up,and there dam hard work to get them going.

Mikey G

4,836 posts

257 months

Monday 15th January 2007
quotequote all
Funny thing is, friend in work has a Civic type R, turned up today asking why his temp gauge is all the way up, asked him if he has checked his water and the response was that he never had to! needless to say it was empty...... he's hoping now that there is no other damage....

That Daddy

19,230 posts

238 months

Monday 15th January 2007
quotequote all
Quality,thats how,Honda as a passion for building proper engines that only other manafacturers can dream of(not including other jap manafacturers)and remember they have been doing it for years,yes sometimes the S2000 lump does blow,i would put some of that down to poor maintainance and numbscull owners,it is a racing engine at the end of the day that needs respect and care,fact is Hondas engines are quality engineering at its best.

stevieturbo

17,822 posts

264 months

Tuesday 16th January 2007
quotequote all
That Daddy said:
Quality,thats how,Honda as a passion for building proper engines that only other manafacturers can dream of(not including other jap manafacturers)and remember they have been doing it for years,yes sometimes the S2000 lump does blow,i would put some of that down to poor maintainance and numbscull owners,it is a racing engine at the end of the day that needs respect and care,fact is Hondas engines are quality engineering at its best.



On the other hand....why not just use a turbocharger. More power, more torque, and less stress......

I know which one I'd take everytime.

Boosted LS1

21,200 posts

277 months

Tuesday 16th January 2007
quotequote all
Yep, some manufacturers do seem to get lost in the effort to have the most bhp at xyz rpm's and to get there it has to be complex.

Boosted.

that daddy

19,230 posts

238 months

Tuesday 16th January 2007
quotequote all
yes but thats cheating,have you heard one of these things rev.But yes i know lots of stress expensive components etc.

lightningghost

Original Poster:

4,943 posts

266 months

Tuesday 16th January 2007
quotequote all
stevieturbo said:
That Daddy said:
Quality,thats how,Honda as a passion for building proper engines that only other manafacturers can dream of(not including other jap manafacturers)and remember they have been doing it for years,yes sometimes the S2000 lump does blow,i would put some of that down to poor maintainance and numbscull owners,it is a racing engine at the end of the day that needs respect and care,fact is Hondas engines are quality engineering at its best.



On the other hand....why not just use a turbocharger. More power, more torque, and less stress......

I know which one I'd take everytime.



Turbo lag. Superchargers are the way forward. yes

that daddy

19,230 posts

238 months

Tuesday 16th January 2007
quotequote all
lightningghost said:
stevieturbo said:
That Daddy said:
Quality,thats how,Honda as a passion for building proper engines that only other manafacturers can dream of(not including other jap manafacturers)and remember they have been doing it for years,yes sometimes the S2000 lump does blow,i would put some of that down to poor maintainance and numbscull owners,it is a racing engine at the end of the day that needs respect and care,fact is Hondas engines are quality engineering at its best.



On the other hand....why not just use a turbocharger. More power, more torque, and less stress......

I know which one I'd take everytime.



Turbo lag. Superchargers are the way forward. yes

yes, linears the ticket,who wants lag then kaboom everything.


Edited by that daddy on Tuesday 16th January 21:22

Boosted LS1

21,200 posts

277 months

Tuesday 16th January 2007
quotequote all
I'm not to sure about the cheating aspect . At the end of the day you want some sort of power and torque. Honda have gone their way but I wouldn't follow them as there are easier more reliable ways to do it.

Boosted.

stevieturbo

17,822 posts

264 months

Tuesday 16th January 2007
quotequote all
that daddy said:
yes but thats cheating,have you heard one of these things rev.But yes i know lots of stress expensive components etc.


Yes, and to be quite honest, I think they soud terrible.

All that induction noise, ye the car doesnt go anywhere.

if that noise was a sign of say 5-600bhp, maybe I'd be a little impressed, but a paltry 240bhp....doesnt do anything for me

If thats all its going to do, it could at least do it sedately.

As for lag....yes it can still be there, but seriously, with modern turbochargers on a mild power build, lag is minimal.

Supercharger technology is moving ahead well though. Perhaps some OE manufacturers will pick up on it soon and help it further.

GreenV8S

30,956 posts

301 months

Tuesday 16th January 2007
quotequote all
lightningghost said:
Turbo lag. Superchargers are the way forward. yes


Positive displacement, or centrefugal? Centrefugal ones are becoming popular but have their own disadvantages in terms of boost versus revs.

lightningghost

Original Poster:

4,943 posts

266 months

Tuesday 16th January 2007
quotequote all
GreenV8S said:
lightningghost said:
Turbo lag. Superchargers are the way forward. yes


Positive displacement, or centrefugal? Centrefugal ones are becoming popular but have their own disadvantages in terms of boost versus revs.


Don't look at me! I'm just a kid! hehe

MR2Mike

20,143 posts

272 months

Tuesday 16th January 2007
quotequote all
stevieturbo said:
that daddy said:
yes but thats cheating,have you heard one of these things rev.But yes i know lots of stress expensive components etc.


Yes, and to be quite honest, I think they soud terrible.


I guess you are no fan of bike engines either? Or a Ford BDA screaming away in the front of a Mk2 Escort?

stevieturbo

17,822 posts

264 months

Tuesday 16th January 2007
quotequote all
MR2Mike said:
stevieturbo said:
that daddy said:
yes but thats cheating,have you heard one of these things rev.But yes i know lots of stress expensive components etc.


Yes, and to be quite honest, I think they soud terrible.


I guess you are no fan of bike engines either? Or a Ford BDA screaming away in the front of a Mk2 Escort?

Very different sounds...

Some bikes sound ok, but again, Im not a fan.... From an engineering/mechanical point of view, bike engines are cool though.

Maybe its just the ricer crowd Im hearing, with loud exhausts, big induction pipes. But IMO, any I have heard, just sound pathetic.
Maybe its just because they arent backed up by any performance.

And IMO, you cant compare the sound of some of the old classic rally cars, with a modern v-tec. They do not sound the same.

That Daddy

19,230 posts

238 months

Wednesday 17th January 2007
quotequote all
Stevieturbo,you cant deny what Honda do is not clever, 120hp per litre naturally aspirated,and whats wrong with induction roar.

combemarshal

2,030 posts

243 months

Wednesday 17th January 2007
quotequote all
lightningghost said:
stevieturbo said:
That Daddy said:
Quality,thats how,Honda as a passion for building proper engines that only other manafacturers can dream of(not including other jap manafacturers)and remember they have been doing it for years,yes sometimes the S2000 lump does blow,i would put some of that down to poor maintainance and numbscull owners,it is a racing engine at the end of the day that needs respect and care,fact is Hondas engines are quality engineering at its best.



On the other hand....why not just use a turbocharger. More power, more torque, and less stress......

I know which one I'd take everytime.



Turbo lag. Superchargers are the way forward. yes


God no, Even BMW have done away with the super charger on the mini, Turbo = power for nothing!
Super's need power to run them!

danger mouse

3,828 posts

278 months

Wednesday 17th January 2007
quotequote all
lightningghost said:
Turbo lag. Superchargers are the way forward. yes
Someone will have already said it but I want stick the knife into baby cuz:
Superchargers do give an instant/proportional power increase up to point the pressure relief kicks in, but they also drain power out of the engine to drive them and their upper boost limit is lower than a turbo. A turbo uses "free" energy to drive it which would otherwise be lost out of the exhaust.

To get big power and fuel effiencey multiple small turbo's are the way to go.

LG hehe

Back on topic: The S2K engine is a master piece, and I'm certain the ones that have blown up have done so due to neglect or misuse. It's fairly well known that Honda have nearly never had to payout warranty on the VTEC engine (or at least the B series). Honda don't use forced induction, cos they don't have to.cool