intake adds 20 HP

[gnuel3]

Originally posted by: forcesho
yeah most advertise hp are at the crank.. you lose 15-25% at the wheel which they dont tell you.. I got a 99 accord @ 200hp, but @ the wheel is around 168-172HP

Why does that happen? :X

 

[Iron Woode]

Originally posted by: Eli

Originally posted by: Iron Woode

Originally posted by: SilentZero
And stickers add 5hp a piece!

Don't forget the wing and fart pipe, that's another 50 hp.

It's getting kinda old....

As long as they keep putting those things on their cars, I will keep saying it.

 

[Vic]

Originally posted by: OS
seriously :Q

That's for a 2k3 accord V6

I thought it was well-known that Honda engines are air-starved from the factory. Putting any kind of unmuffled intake on a Honda engine is extremely noisy though, almost like having a loud exhaust. And too bad that intake doesn't get you more kick-in-the-pants torque though... but then again nothing will.

 

[Vic]

Originally posted by: forcesho
yeah most advertise hp are at the crank.. you lose 15-25% at the wheel which they dont tell you.. I got a 99 accord @ 200hp, but @ the wheel is around 168-172HP

This is normal for all manufacturers. That's why they advertise bhp or "base" hp and not whp or wheel hp.
btw, only a 30 hp loss represents a rather efficient drivetrain, but then FWD (for all its other drawbacks) usually is.

 

[atom]

Originally posted by: Vic

Originally posted by: OS
seriously :Q

That's for a 2k3 accord V6

I thought is was well-known that Honda engines are air-starved from the factory. Putting any kind of unmuffled intake on a Honda engine is extremely noisy though, almost like having a loud exhaust. And too bad that intake doesn't get you more kick-in-the-pants torque though... but then again nothing will.

...the intake added 20 HP and 14.5 ft/lbs of torque. Not earth shattering, but not too shabby considering it's just an intake. Even more importantly, torque was increased through pretty much the entire band.

 

[Ryan]

Originally posted by: gnuel3

Originally posted by: forcesho yeah most advertise hp are at the crank.. you lose 15-25% at the wheel which they dont tell you.. I got a 99 accord @ 200hp, but @ the wheel is around 168-172HP

Why does that happen? :X

When any amount of energy is being used, some of it is lost in the process.

 

[Iron Woode]

Originally posted by: Vic

Originally posted by: forcesho
yeah most advertise hp are at the crank.. you lose 15-25% at the wheel which they dont tell you.. I got a 99 accord @ 200hp, but @ the wheel is around 168-172HP

This is normal for all manufacturers. That's why they advertise bhp or "base" hp and not whp or wheel hp.
btw, only a 30 hp loss represents a rather efficient drivetrain, but then FWD (for all its other drawbacks) usually is.

Actually we call that net horse power.

I miss the days of gross horse power ratings.

 

[NotoriousJTC]

Question:


bhp, hp at crank, net hp = all the same?

 

[Iron Woode]

Originally posted by: NotoriousJTC
Question:


bhp, hp at crank, net hp = all the same?

yes and no.

HP at the crank is a meaningless term unless it is quantified. Gross HP is at the crank and so is net and base.

The difference is:

Gross means just the engine and no exhaust or emmissions control. It also has headers, a tuned carb and other tweaks done in a dyno room under optimal conditions. That is how almost unbelievably high HP figures were obtained in the Muscle car days.

Net is with the full exhaust and emmisions stuff. It is what the engine will make when it is sitting in the chassis.

Base is considered another term for net.

 

[NotoriousJTC]

Ah ok, so "net" and "base" ratings are obtained under "Ready to ship" conditions for the engine, and "Gross" ratings are obtained when the engine is basically heavily tweaked, or as you put it, under "optimal conditions"...


Yeay i think i learned something. Go me. Thanks.

 

[Iron Woode]

Originally posted by: NotoriousJTC
Ah ok, so "net" and "base" ratings are obtained under "Ready to ship" conditions for the engine, and "Gross" ratings are obtained when the engine is basically heavily tweaked, or as you put it, under "optimal conditions"...


Yeay i think i learned something. Go me. Thanks.

Your welcome.

Just check out some of the more famous Muscle Cars to see what Gross HP figures are and then check the figures of similar Muscle Cars in 1972.