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Unread 01-11-2007, 07:17 PM   #1
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Default V8 for my Cobalt SS

Anyone know where I can find a V8 engine for my Chevy Cobalt SS? Price is not a factor, but I need some good horsepower.

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Unread 01-11-2007, 07:21 PM   #2
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You can just mod your current setup and make tons of power. There is a large tuning community for the car. It would be extremely hard to get a V-8 into a Cobalt. Not impossible but it would probably be more trouble than it is worth considering the power you could make by simply modifying your current powerplant. What kind of horsepower numbers are you looking to make?
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Unread 01-11-2007, 10:32 PM   #3
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You will either have to somehow jam an Impala SS engine in the Cobalt, or go longitudal/rwd and drop a crate engine in there or something. Either way they won't fit without cutting out the firewall and moving it back and fabricating a big-ass hood. If you go longitudal, you will need to find a tranny tunnel and completely redo the rear suspension.

AKA Don't bother with a V8 in a Cobalt, easier to give some muslecar Cobalt sheetmetal. If price is not a factor, then either mod the stock engine, or get a new car.
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Unread 01-11-2007, 10:49 PM   #4
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Your current 4 banger is very modable man... keep it and beef it up, it can easily crank out more than what your hoping to get!!! Well over 600 @ the wheels!!!
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Unread 01-13-2007, 01:55 AM   #5
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Why do you want a V8 that makes 18mpg in your economy car? You could do better with a nice slimfast diet for your car and then adding a turbocharger.
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Unread 01-13-2007, 06:11 AM   #6
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I don't think the SS is much of an economy car, and it came stock with a supercharger.
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Unread 01-14-2007, 02:24 AM   #7
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Quote:
I don't think the SS is much of an economy car, and it came stock with a supercharger.
This had me confused for a while but there is an N/A Cobalt SS and a Cobalt SS Supercharged. SS Coupe=2.4L I4, 173hp/163 ft-lbs. SS Supercharged Coupe=2.0L 205hp I4, 205hp/200 ft-lbs. I'm not sure which he has.


In any case, somehow I think swapping a V8 into a Cobalt is borderline not accomplishable by someone whose name is DRIFTER when they own a FWD car

But to be helpful, common automotive knowledge is that the LS1 is the mother of all V8 swap powerplants, it's the easiest and most common. It's essentially the C5 corvette engine.

Putting it in your cobalt is a different story, since usually the LS1 is swapped into GM muscle cars and the likes, which already have ample space and longitudinal mounting for such things.

Your engine is transverse mounted, and your engine bay is designed for a neat row of half the cylinders a V8 has. More of a problem is the transverse mounting of your I4, since your transmission is also mounted that way. An LS1 and its transmission are designed to mounted longitudinally. So either you'd have to figure out a way to mount the engine and some transmission transversely, or chop up your car enough to create space for a longitudinal tranny/engine plus fabricate a rear axle and driveshaft.

Just get a damn turbo. lol
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Unread 01-14-2007, 02:08 PM   #8
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For the money and time you will spend putting a V8 in a cobalt...lol You could easily buy a much much faster car. Evo 8, Lotus Elise, Vette, used Viper, the possibilities are endless man. And they would all walk all over that cobalt.
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Unread 01-14-2007, 09:09 PM   #9
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Is this some kind of stupid joke?
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Unread 01-14-2007, 09:14 PM   #10
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Just spend 50 bucks and throw on a smaller pulley, I know it might be a painful experience, but head on over to the site cobaltss.net and wade your way through all of the retarded nonsense and you can actually find one or two decent write ups. That is actually about it though, that site makes me ashamed of owning this car, far too many uneducated fools crowd that website.
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