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Is Mitsu lying about HP?

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Old Feb 21, 2008 | 06:48 PM
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Is Mitsu lying about HP?

Hey,

you know, from the dyno runs I've seen around here...that typical 12% loss to the wheels seems to have jumped to about 20%+ on most. I have only seen one dyno posting close to what the manufacturer is claiming...
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Old Feb 21, 2008 | 06:51 PM
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Originally Posted by BlueGTS
Hey,

you know, from the dyno runs I've seen around here...that typical 12% loss to the wheels seems to have jumped to about 20%+ on most. I have only seen one dyno posting close to what the manufacturer is claiming...
they arent lying, its a engine rating system, thats it is one thing. On the road is another.
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Old Feb 21, 2008 | 08:06 PM
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nah i dont think they are lying. If they said we had 300 or 800 HP, then I could call BS, but anywhere from 10% to even 30% in some cases is acceptable drive train loss.
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Old Feb 21, 2008 | 08:50 PM
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so would an upgraded tranny help to fix the problem of the lost power
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Old Feb 22, 2008 | 01:31 AM
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how do you upgrade a tranny? you mean on a 5speed with clutch plates and all that?

from my understanding, mitsubishi and all car companies state their most attractive numbers to advertise. this engine at stock produces 152 hp, but that power still has to get to the wheels and there are a lot of things that lessen it on the way there. would you rather them say that your car has 138hp?

they also claim to have like... 25 to 30 something city mileage i don't remember, but that i'm sure is under optimal conditions with a driver who is driving to maximize mpg. i do know that while i have gotten my mpg as high as 34, i usually run at like 20-22.

their engine probably does run about 152 hp average when it is hooked up to whatever machine they use to test engines, but we don't drive an engine... lol

they claim a "152 hp engine," not a "152 hp car."
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Old Feb 22, 2008 | 09:09 AM
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Originally Posted by BlueGTS
Hey,

you know, from the dyno runs I've seen around here...that typical 12% loss to the wheels seems to have jumped to about 20%+ on most. I have only seen one dyno posting close to what the manufacturer is claiming...
Complaining that your car has "larger than normal parisitic drivetrain HP loss" is a waste of breath.

The engine puts out 152 hp. What people find on a dyno is never consistent or reliable. Don't put too much faith in a dyno sheet.
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Old Feb 22, 2008 | 10:24 AM
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Actually, you are wrong about it being a waste of time. Hyundai was sued in a major class action suit in which they overstated the HP rating by only 9.6% on 1.3M vehicles from 1992-2002. So, this is not a waste of time if people are being defrauded.
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Old Feb 22, 2008 | 10:28 AM
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Yeah, but going off the "typical 12% loss" theory is not a scientific reason. There's a difference between being defrauded and having unrealistic expectations.

As an example of my point, I've personally heard that expected losses are 15-20%, depending on dyno. 12% is news to me. So can we really say we're getting ripped off when it's not even a factual complaint?
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Old Feb 22, 2008 | 10:34 AM
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It's just a discussion man...I am not angry that my GTS has no power, but it definitely doesn't have 152hp. Either that, or this is the most inefficient design I have seen in a long time.

Hyundai and Mazda (rx8) have both been caught doing this in the past
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Old Feb 22, 2008 | 10:38 AM
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I believe the 152hp. I don't know what you've driven in the past, but the car definitely feels peppier than the two 120hp cars I owned before it.

Also, remember that 152 is the peak. It's not like the Lancer has a great HP curve. It's just the standard "slow crawl up to peak" kind of N/A curve.
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Old Feb 22, 2008 | 11:39 AM
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Dump your exhaust system and you will be singing a different tune. people who complain about cars in stock really dont under stand the art of tuning. Of course playing with your exhaust system is really a small part of it. But there is so much more to learn about. Heck even stuff I am still learning about.

I dont know too many economy sedans that are born tuned. I admit there are a few exceptions. But these car companies make cars to work for a certain purpose, and thats to operate in a safe economical manner. Not to burn rich and rip the road up.
Well not in this country. you gotta go somewhere else for that
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Old Feb 25, 2008 | 10:00 PM
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Originally Posted by David Kelly
how do you upgrade a tranny? you mean on a 5speed with clutch plates and all that?

from my understanding, mitsubishi and all car companies state their most attractive numbers to advertise. this engine at stock produces 152 hp, but that power still has to get to the wheels and there are a lot of things that lessen it on the way there. would you rather them say that your car has 138hp?

they also claim to have like... 25 to 30 something city mileage i don't remember, but that i'm sure is under optimal conditions with a driver who is driving to maximize mpg. i do know that while i have gotten my mpg as high as 34, i usually run at like 20-22.

their engine probably does run about 152 hp average when it is hooked up to whatever machine they use to test engines, but we don't drive an engine... lol

they claim a "152 hp engine," not a "152 hp car."

i have a 5 speed, and live in a city with a fair amount of stop and go traffic, and i normally get around 27-29mpg avg...and i dont go for fuel econ most of the time, i like to play

i also believe the 152hp. you have to take into account alot of things change the hp your engine by itself produces, and the hp your acctually getting. the car still needs to transfer that power through everything down to the tires to make the car go. I'm sure with a SRI, new exhaust, and maybe even a new pulley, you'll have better performance and let those horses loose
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Old Feb 25, 2008 | 10:58 PM
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Originally Posted by BlueGTS
Hey,

you know, from the dyno runs I've seen around here...that typical 12% loss to the wheels seems to have jumped to about 20%+ on most. I have only seen one dyno posting close to what the manufacturer is claiming...
When mitsu did their dyno runs to get the 152 rating, much like every other car maker they probably did about a 100 in perfect environmental conditions and picked the best one. I've seen multiple dyno runs on the same vehicle in identical conditions yield different results, its just the way that wonderful thing we call a dyno works.
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Old Feb 26, 2008 | 02:03 AM
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the 152HP is the motor hp. its like that on all cars. WHP is different. u cant sue them
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Old Feb 26, 2008 | 06:56 AM
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Originally Posted by gq_jumper
When mitsu did their dyno runs to get the 152 rating, much like every other car maker they probably did about a 100 in perfect environmental conditions and picked the best one. I've seen multiple dyno runs on the same vehicle in identical conditions yield different results, its just the way that wonderful thing we call a dyno works.
That's not how they dyno cars.

152 comes from the 4B11 (no Lancer involved) being strapped down to a separate engine dyno.
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