225hp n/a p5

[Aricjm15]

use a sepository before you go to the track

 

[Stealth5]

?
just about every honda motor is doing this.

every honda motor? s*** my friends civic is missing about 40 horses then.

 

[iam7head]

Yes, it can be done but dont wish it could run on pump gas, full interior


high, high higher compression, bore both manifold and port, regrind cams, maybe 200 hp you'll see

if you think N/A is safer than turbo is the only reason why you wouldnt get a snail, well, you are wrong

 

[Mike R]

dont forget-people will argue till they grow a third nipple bout this- but lightening the car WILL add hp. numbers dont lie

Ugh, why do people think this? IT DOESN'T ADD HP! It changes the power to weight ratio. The less weight a engine has to move the quicker it can accelerate. It feels like you have more HP, but you don't. It kinda like the arguement about lightweight flywheels ADDDING HP. They don't. The HP was always there, it just frees it up to use it more effectively. It's all about mass and weight and rotation!

Here's a good test to demonstrate. Get a whole bunch of weights. Pick em up and try running. Now run without the weights. Seem faster now don't you. Did you gain strength? NO. You have less weight to move.

 

[Replica]

dont forget-people will argue till they grow a third nipple bout this- but lightening the car WILL add hp. numbers dont lie

Ricer alert!(wiggle)

 

[Equinox]

Ugh, why do people think this? IT DOESN'T ADD HP! It changes the power to weight ratio. The less weight a engine has to move the quicker it can accelerate. It feels like you have more HP, but you don't. It kinda like the arguement about lightweight flywheels ADDDING HP. They don't. The HP was always there, it just frees it up to use it more effectively. It's all about mass and weight and rotation!

Here's a good test to demonstrate. Get a whole bunch of weights. Pick em up and try running. Now run without the weights. Seem faster now don't you. Did you gain strength? NO. You have less weight to move.

you realize you are now arguing about how it is worded, and not whether you are faster or not with less weight?

 

[Mike R]

you realize you are now arguing about how it is worded, and not whether you are faster or not with less weight?

Well, I guess it all in how you read it. The way you put it is correct. Lighter =faster. From reading his post less wieght gives you more HP. I'm saying that it doesn't give you HP. Lighten a car and throw it on a dyno, see if it makes more HP. It won't. (That can also be proven for the lightweight flywheel, using an engine dyno by testing with the stock, light, and no flywheel, I think)

He is right about the numbers not lying though. But they prove him wrong. If you do the correct calculations for 1/4 mile trap speed and 1/4 mile time using the correct weight of the car the HP will be the same. There will be no increase in HP. The time will be better, but the HP is the same.

 

[twilightprotege]

light flywheels do add hp because more power is transferred to the wheels rather than spent on turning the flywheel.

but in relation to lighten the car and more hp, that's why i wrote what i did. it doesnt add hp, but it gives the effect of adding hp (better power to weight ratio)

 

[kylenls]

lightening the body in gernerall wont add horse power but just dcrease weight. but on the other hand lighter and smaller wheels will add horse power.

 

[twilightprotege]

basically lightening rotational mass increases hp

 

[Mike R]

OK. But you're kinda contradicting yourself. I understand that there will be a HP gain at the wheels. But the motor is not putting any more HP out, it's just being transferred more efficiently to the wheels.

Bah, I'm done arguing. Now it is arguing about wording.

 

[twilightprotege]

i should clarrify, hp atw.

 

[shinzen]

To be fair about this whole discussion however, it is merely the horsepower to weight ratio that is being changed, not the actual hp of the car. With rotational weight on wheels/tires I have seen proofs going a couple of different ways. There is no doubt that it is an advantage, but there is not as much as most people think. Most of it is still in straight weight reduction.

 

[shinzen]

It will however, become more responsive to your inputs and sensitive to braking/acceleration.

 

[akhilleus]

Of course u dont actually gain "hp" from weight reduction but it reduces the load on the engine... etc...

 

[akhilleus]

Of course u dont actually gain "hp" from weight reduction but it reduces the load on the engine... etc...I think the concept is understood... do we need to discuss it any further?