More Horsepower per Liter...
"The Integra Type R features a 195-horsepower 1.8 liter, dual overhead cam, 16 valve VTEC inline 4-cylinder engine that puts out more horsepower per liter than any other naturally aspirated mass-produced engine in the U.S."
Is that statement still true today?
Is that statement still true today?
Honda-Tech Member
Joined: Feb 2000
Posts: 255
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From: Somewhere in the MidWest..., The MidWest..., USA
Ferrari 360 Modena and Honda S2000 both have higher advertised power. What they all make at the flywheel is anyone's guess.
Ferrari 360 Modena and Honda S2000 both have higher advertised power. What they all make at the flywheel is anyone's guess.
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HP/L is the most overated measurement in the entire auto industry.
HP per Lb is the one that matters.
HP per Lb is the one that matters.
I've seen a stock s2000 dyno graph and it weighed in at 200whp. That's 17% drivetrain loss which is within the accepted range.
yeah but in terms of engineering, hp/L is impressive.
To make big HP/L you need to rev the crap out of the engine because a sub-2.0 liter engine os only going to make so much torque (HP = (torque *RPM)/5252). The same rule applies to bigger engines, except that it takes twice the technology to build a 5.0L V8 that'll spin to 8500rpm than it does to make a 4 banger do the same thing. Reciprcating mass is the big problem, you're flinging a lot of weight around at very high speeds, it would have to be built STRONG. A 4 banger has less weight in the internals and normal fasteners and bolts can hold it together just fine.
If Honda were to build a 550hp 5.0L engine that had a 50,000 mile warranty, it would come in a car that would cost well over $100,000.
HP/L is no indicator of a vehicles performance at all. It's only usefull in comparing normally aspirated engines of a similar displacement. When you start comparing engines of different sizes it means nothing.
If Honda were to build a 550hp 5.0L engine that had a 50,000 mile warranty, it would come in a car that would cost well over $100,000.

HP/L is no indicator of a vehicles performance at all. It's only usefull in comparing normally aspirated engines of a similar displacement. When you start comparing engines of different sizes it means nothing.
The new E46 M3 is up there too isn't it. I think the motor is a 3.2l and it has 330 hp.
The new E46 M3 is up there too isn't it. I think the motor is a 3.2l and it has 330 hp.
It has 104 hp/L, which is still less than the ITR, so it must be slower!!
It has 104 hp/L, which is still less than the ITR, so it must be slower!!
the new M3's are sweet...but you have to know how to drive it. My ITR with 2 people against the new M3 with 2 bigger people faired pretty well on the highway, the M3 creeeeeeped away from me just barely all the way up to about 120ish. From a starting line however, it would be a completely different story and ITR stands no chance.
the new M3's are sweet...but you have to know how to drive it. My ITR with 2 people against the new M3 with 2 bigger people faired pretty well on the highway, the M3 creeeeeeped away from me just barely all the way up to about 120ish. From a starting line however, it would be a completely different story and ITR stands no chance.
the new M3's are sweet...but you have to know how to drive it. My ITR with 2 people against the new M3 with 2 bigger people faired pretty well on the highway, the M3 creeeeeeped away from me just barely all the way up to about 120ish. From a starting line however, it would be a completely different story and ITR stands no chance.
get a short throw shifter in a new M3 , and it'll be a killer...gear box has long throws to my taste
[Modified by Yell00ITR, 8:51 AM 8/6/2002]




