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Inside Line Dyno Test: 2010 Hyundai Genesis Coupe 2.0T

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Inside Line Dyno Test: 2010 Hyundai Genesis Coupe 2.0T | Straightline Blog on Edmunds' Inside Line

Inside Line Dyno Test: 2010 Hyundai Genesis Coupe 2.0T


Although the 2010 Hyundai Genesis Coupe is offered with an optional V6, it's likely that the turbocharged 2.0T version is destined to be the more popular choice. It's less expensive and lighter, plus it's got a happy spinny thing under the hood known as a turbo. And when it comes to tuning potential, a turbo is hard to beat.

We tested a bone stock Genesis Coupe 2.0T on MD Automotive's Dynojet chassis dyno located in Westminster, CA. Hyundai says its 2.0-liter turbocharged four-cylinder generates 210 hp and 223 lb-ft of torque at the flywheel, and like most factory ratings for turbo cars, those numbers are a bit on the conservative side.

Hit the jump to see the dyno chart and other discoveries.



Peak torque arrives at 2500 rpm and then peters out all the way to redline. Clearly, Hyundai's prioritiy in crafting this type of power delivery was to ensure the Genesis Coupe 2.0T felt responsive around town.

This run was performed in fourth gear. Third gear produced a lower peak torque value since the engine would "outrun" the turbo--the engine revved through 2500 rpm quicker than the turbo could provide the requisite boost.

Here's something to help prop up that torque curve at higher engine speeds. When we were strapping the car down to the dyno rollers, we saw this:



As if the Genesis 2.0T's two catalysts bricks and dual mufflers weren't providing enough exhaust backpressure, the company's engineers went ahead and smashed the exhaust down for good measure. Okay, it's that way to provide miles of clearance for the chassis brace underneath, but that it further reduces dangerous horsepower is like a gimmie for tuners.

Jason Kavanagh, Engineering Editor
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WOW, that is great news I guess? Factory kills 33% flow. May need to just open that pipe first and see how it responds. I like that, REAL cheap and easy mod.
Mmmm 2.0t + exhaust + intake + injectors + tune = more boost, safer, and obviously a good bit more power? Can't wait...
Hyundai Genesis Coupe: Hyundai Genesis Coupe 2.0-Liter Dynos Higher Than 210 HP

"Not only did they get 227 lb-ft of torque at the wheels, they got 197 HP when making the dyno runs in fourth gear. If we work backwards using the rule of thumb 15% driveline losses for RWD cars, we see the approximate output the turbo four is 261 lb-ft of torque and 226 HP at the flywheel. Roughly about 7% more horsepower and a whopping 17% more torque than Hyundai states. Either Edmunds got a goosed version or the customers will be happily getting more bang for their buck. "
they probly dynoed with 93 octane instead of 87
wow look at the exhaust!!!!!!!!!
+1....we noticed this when one of the Koreans changed their exaust & laid the old one out on the floor of their shop that is was squished in the middle & so restrictive.

WOW, that is great news I guess? Factory kills 33% flow. May need to just open that pipe first and see how it responds. I like that, REAL cheap and easy mod.
+1...just manfild back exaust will help tremendously.

Mmmm 2.0t + exhaust + intake + injectors + tune = more boost, safer, and obviously a good bit more power? Can't wait...
+1...you just listed my 1st stage of mods for my car...

Hyundai Genesis Coupe: Hyundai Genesis Coupe 2.0-Liter Dynos Higher Than 210 HP

"Not only did they get 227 lb-ft of torque at the wheels, they got 197 HP when making the dyno runs in fourth gear. If we work backwards using the rule of thumb 15% driveline losses for RWD cars, we see the approximate output the turbo four is 261 lb-ft of torque and 226 HP at the flywheel. Roughly about 7% more horsepower and a whopping 17% more torque than Hyundai states. Either Edmunds got a goosed version or the customers will be happily getting more bang for their buck. "
This engine is under-rated & the car is an underdog, can't wait to show folks what it is capable of. :rofl:



it may be underrated but it still runs a 15.2...idk what to believe...if it had this much power it should have easily broken 14s...ive also seen a dyno where it only made 167 whp...i hate dyno numbers...there are so many variables
What tranny did they use? If they used the MT tranny they should have done a pull in 5th gear not 4th as that one is the 1:1 ratio... the manual in 4th is 1.233:1 and will show higher readings..



What tranny did they use? If they used the MT tranny they should have done a pull in 5th gear not 4th as that one is the 1:1 ratio... the manual in 4th is 1.233:1 and will show higher readings..
Only 1 transmission available on 2.0t Track, 6sp M/T



Only 1 transmission available on 2.0t Track, 6xp M/T
That's right I forgot about that, then this Dyno graph is not accurate at all of what the engine is making.. in fourth gear the engine/tranny is at a ~1.2:1 ratio, basically means the power readings from a dyno will read about 20% HIGHER than they should... They should have been doing the dyno run in fifth gear as it is at 1:1.. If i am missing something someone correct me.. but this I think is basic dyno testing 101...



That's right I forgot about that, then this Dyno graph is not accurate at all of what the engine is making.. in fourth gear the engine/tranny is at a ~1.2:1 ratio, basically means the power readings from a dyno will read about 20% HIGHER than they should... They should have been doing the dyno run in fifth gear as it is at 1:1.. If i am missing something someone correct me.. but this I think is basic dyno testing 101...
I'm no genius when comes to dynos or tuning, but every dyno pull I've seen seems to always be in a higher gear than 4th & what you just said makes sense as to why. Alright mighty tuners, an you confirm this for us.



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