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GM Performance Parts announced yesterday the availability of two performance upgrade kits for the supercharged 2.0L Ecotec engine found in the Chevy Cobalt SS Supercharged and Saturn Ion Redline. The Stage 1 kit retails for $500 and adds 31 hp to the engine’s base 205-hp through higher-flow injectors and a new ECU calibration. The Stage 2 kit goes for $750 and includes both components of the Stage 1 kit and adds a smaller supercharger pulley and drive belt to fatten up the powerband’s midsection and increase power to 241 hp and 218 ft-lbs. of torque. Both kits require premium fuel and are available now at all GM dealerships.

[Source: GM]

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    • 1 Second Ago
      • 8 Years Ago
      Let's remember here, the Cobalt SS is a forced induction motor and the S2000 is not.
      • 9 Years Ago
      Chris McMullin, I think that you are a very smart man. My dad seems to be just like you, and he has had 3 Chevelles! 400hp or 250hp, the race is won by the driver inside the car, pushing the car to its limits. Not by the ones who think that there huge blocks in their mustangs and camaros is going to allow them to miss a gear, or mess up a shift. I will be purchasing a '06 Chevy Cobalt SS Supercharged in 2 weeks, and the stage 2 is going in the day I buy it. The next day, I'm off to the track!

      ...."Japanese dominance in this market is history!"

      Well said!
      • 9 Years Ago
      HP means nothing through the front wheels. S2000 is RWD. Nuff said.
      • 9 Years Ago
      Mark, tell that to the people buying the Civic Si and the RSX.
      • 9 Years Ago
      Don't get me wrong, Im not saying RWD is the best, I drive an AWD WRX STI and am an AWD fanatic, but I was trying to stop any comparison of the SS S/C to the Honda S2K. I do like the Cobalt and applaud chevy for getting off their asses and doing some upgrades a la Mopar for Dodge. While Ford is missing out in this market, they have the Mustang which the other 2 of the big 3 dont have so I guess they are even.
      • 7 Years Ago
      Let's also remember that GM knows about a thing called torque, while Honda does not.
      • 7 Years Ago
      ok to all you hater's.. i had a stage 2 07 ion redline.. same motor as the SS/SC but came out first.. and stock tune i could run a 14.3 at 102 at 2700 ft altitude with BOLT ON'S being an intake a muffler and spring's.. and once stage 2 it was a 13.8 @ 105+ average once corrected..all those bolt on's added up to maybe 2g's total WITH the stage 2 stuff which wasnt cheap.. 500+ for the kit and 325 to have it installed.look up thedubsack on youtube for car video's and you will see how FWD does against an EVO 8 when i have a better 1/4 mile and MPH and have the slip's to prove it. and a vid of me DESTROYING a b18C5 swapped GSR with more bolt on's then my factory tune redline..
      • 9 Years Ago
      Hmm. I too question the value of the stage 2 setup, however the article does mention a nice increase in the midrange torque.

      I don't want to knock the stage 2 setup until I see dyno graphs. For example, if the stage 1 setup is a very "Peaky" power curve, that's nice and fun, but only over a small RPM range. If you add the stage 2 the number is only slightly higher, but if it's accross a very wide RPM range (in comparison), that makes it more than worth it.
      • 9 Years Ago
      "TO an enthusiast, all cars are about horsepower."

      and some even are about handling ;). A Dodge Ram SRT10 has 500hp, but I'd still rather have that little Lotus Elise with only 4-cylinders and 190hp...or the S2000 we're talking about here. Straightline performance ain't everything. And I'm sure the S200 handles a lot better than a Cobalt, although the latter is a nice car by itself. I'm sure with 241hp it's more than a match for all those souped up Civics out there.
      • 7 Years Ago
      In regards to stage 2 and 0 to 60 times, without the limited slip diff the 0 to 60 time post is 5.6 seconds, thats a tenth faster than the 2008 turbo cobalt. With the LSD you can expect a time of 5.4. And compared to a V8, thats not bad considering the 2008 Mustang V8 5 speed posted a 0 to 60 time of 5.1. Get yourself some sticky tires and a torque damper and you might give that stang a run for its money.
      • 9 Years Ago
      Almost forgot. Shameless link to my review of the ION Red Line:

      • 9 Years Ago
      Zeke, totally agree with you on hp/dollar, although I'd argue that the tC isn't really a "sports car", more like a car with the most features/comfort for the price. The supercharger is more of an afterthought, as you still have a relatively soft car (handling, clutch, etc) even after you force-feed it. (and yes, I own a tC, and I *really* wish that they came out with a performance edition tC, supercharged from the factory and a better suspension stock...)

      240hp to the front wheels is nothing compared to some cars, what's v6 eclipse putting out?? if you get the optional LSD, you're sitting pretty.

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