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Reader Comments for
Subscribe to this thread2008 G8 GT reaches the dyno (with video)
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a_holdo @ Mar 19th 2008 10:36AM
My car has 227hp at the crank out of a 2 liter. 310 out of a 6 liter? Seems unimpressive at best.
IowaSuby @ Mar 19th 2008 10:40AM
I agree, you can get 300whp+ out of 2.5L subarus, you'd think a 6L would do much better. On top of that, how much does this car weigh?
tbss_in_the_D @ Mar 19th 2008 10:42AM
310 at the rear wheels...
361 at the crank
Andrew @ Mar 19th 2008 10:44AM
this car has something called torque. and lots of it.
unless that 2.0L is FI'd, it won't have anywhere near as much torque or the same torque curve.
BigRedSpecial @ Mar 19th 2008 10:59AM
Say it with me - T-U-R-B-O. Your 2.0 has one, this engine does not.
paul34 @ Mar 19th 2008 11:26AM
300 whp from a 2.5L NATURALLY-ASPIRATED boxer, huh? Wow, I have to see your engine... come over sometime.
John @ Mar 19th 2008 11:30AM
Yeah, because we all know the true measure of a car's performance is peak hp / liter.
When you catch up with the G8 at the next stop light make sure to tell him about your hp / liter, he will be impressed. Are all WRX drivers like this?
BigRedSpecial @ Mar 19th 2008 3:32PM
Want to compare Apples to Apples? GM's very own 2.0 turbo four makes 260hp, 260 torque(with a wide, usable powerband), is rock solid reliable, and uses less fuel doing it than your engine.
Don't get me wrong, I LOVE subies(I wanted a WRX myself untill they uglied it up so bad), but youe engine isn't the be all end all.
Derek @ Mar 19th 2008 5:51PM
consider a few things:
assuming your 2.0 is running ~15psi boost, it is intaking closer to 4.0L at full throttle if you want to compare to a naturally aspirated engine.
217lb*ft from your turbo doesn't look so hot up against 385lb*ft from the LS3.
The LS3 also gets to peak hp 700rpm lower than Subaru. Stick in a larger cam to put the V8's peak hp up at 6000rpm and you're easily over 400hp. (430hp in Corvette)
18/25 EPA mpg (adjusted for 2008+ testing - http://www.fueleconomy.gov/feg/sbs.htm) isn't exceptional either and likely on par with the G8.