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Old Jul 9, 2010 | 11:46 PM
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Default Heads and Cam package

My plans are to get a set of heads and cam for my car.
I came across this package deal on the ws6 store
http://www.ws6project.com/user_stor/...oducts_id=1406

What do you guys think? is this a good deal?

Or should I look for something else?

Basically I just want to keep up with my brother's 03 cobra.

Last edited by dark ws6; Jul 10, 2010 at 08:56 AM.
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Old Jul 10, 2010 | 12:04 AM
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I will go with a texas-speed kit or get good heads AFR 215 or 205 and a custom cam for your needs!! you will be smoking your brother cobra!! is your car stock? you will need supporting mods like intake, tb, and headers. I am in Ahwatukee if I see your brother i will smoke him for you
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Old Jul 10, 2010 | 08:32 PM
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Originally Posted by dark ws6
My plans are to get a set of heads and cam for my car.
I came across this package deal on the ws6 store
http://www.ws6project.com/user_stor/...oducts_id=1406

What do you guys think? is this a good deal?

Or should I look for something else?

Basically I just want to keep up with my brother's 03 cobra.
I believe 03/04 Cobras make 420 horsepower at the flywheel. A couple TSP head and cam packages will make 420+ horsepower at the wheels so you should look into one of them and you should take him no problem. Get a couple supporting mods while youre at it and he'll be the one playing catchup.
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Old Jul 10, 2010 | 08:40 PM
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Cobras make 390 at the flywheel stock. It's hard to find a stock one nowadays and the pullied or ported supercharged ones are no joke.
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Old Jul 10, 2010 | 08:54 PM
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id look into trick flow heads. ive heard good things.
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Old Jul 10, 2010 | 09:02 PM
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Originally Posted by sw07gt
Cobras make 390 at the flywheel stock. It's hard to find a stock one nowadays and the pullied or ported supercharged ones are no joke.
Their numbers were underrated they make a little more. How much do the pullied or ported ones make generally.
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Old Jul 10, 2010 | 09:10 PM
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I owned an 03 Cobra. With a cat back and a k&n the car ran 12.80s @110 at sea level in Florida summer heat with a roll out lauch on stock tires. It dyno'd at 363 rear wheel horsepower.

With a 14lb blower pulley and tune the car ran 12.30s @ 116 on the stock tires. Traction was non-existent. It dyno'd at 430 rear wheel horsepower.

The Cobras make big time horsepower but launching them can be real tough.
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Old Jul 10, 2010 | 09:14 PM
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Originally Posted by speedtigger
I owned an 03 Cobra. With a cat back and a k&n the car ran 12.80s @110 at sea level in Florida summer heat with a roll out lauch on stock tires. It dyno'd at 363 rear wheel horsepower.

With a 14lb blower pulley and tune the car ran 12.30s @ 116 on the stock tires. Traction was non-existent. It dyno'd at 430 rear wheel horsepower.

The Cobras make big time horsepower but launching them can be real tough.
Is that a common mod for 03/04 cobras, the pulley?
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Old Jul 10, 2010 | 09:21 PM
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Originally Posted by matrixiskool
Is that a common mod for 03/04 cobras, the pulley?
It's just about THE most common mod.
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Old Jul 10, 2010 | 09:33 PM
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upper and lower pullies are the most common, then change over from stock to a KB blower from 2.3L to 3.4L then to e85. I have a friend running stock block and internals w/ a 3.4L kb e85 running a 10.01 @ 141 and its stick. With a 28" Hoosier slick he still has the gall to break them loose in 1st, and 2nd
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Old Jul 10, 2010 | 09:55 PM
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Originally Posted by 02*C5
upper and lower pullies are the most common, then change over from stock to a KB blower from 2.3L to 3.4L then to e85. I have a friend running stock block and internals w/ a 3.4L kb e85 running a 10.01 @ 141 and its stick. With a 28" Hoosier slick he still has the gall to break them loose in 1st, and 2nd
Whats the liter size refer to exactly? The 3.4L size. Do the different size pullies act like overdrive pullies? Theyre smaller so they spin faster?
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Old Jul 11, 2010 | 09:21 AM
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how much boost is your friend running to trap 10.01 @ 141 and what do you mean about e85 he is not running pump gas? e85= 85 percent ethanol and 15 percent gas!!
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Old Jul 11, 2010 | 09:38 AM
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back to thread,i agree that you should do afr or trickflow heads with a custom cam,fast intake and tb,and ud pulley and a good n/a tune and you will pull them mild cobras,but if you hear the loud whine say goodnight,lol gl.
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Old Jul 12, 2010 | 02:32 AM
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Last nigth I got to drive my Brothers cobra, and those things are a totally different animal. On 3rd it pulls like crazy. His car it s only has a pulley (2.8 I think) and a tune. I was very impress with the power on those cobras. My car has LT's, borla exhaust, ls6 intake, lid, 4.10's and a mail tune and i felt like I was driving a 4 banger next to him. But now it time to spend money on the T/A. My budget is limited to 3g hopefully this will get me where I want to be.
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Old Jul 12, 2010 | 06:38 AM
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Buddy of mine has an '04 cobra, completely stock and we run dead even from 60 to 120. I have bolt ons. Mods in sig.
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Old Jul 12, 2010 | 03:22 PM
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Originally Posted by dark ws6
Last nigth I got to drive my Brothers cobra, and those things are a totally different animal. On 3rd it pulls like crazy. His car it s only has a pulley (2.8 I think) and a tune. I was very impress with the power on those cobras. My car has LT's, borla exhaust, ls6 intake, lid, 4.10's and a mail tune and i felt like I was driving a 4 banger next to him. But now it time to spend money on the T/A. My budget is limited to 3g hopefully this will get me where I want to be.
If your budget is limited to $3,000 I would start looking for used AFR or TF heads. New AFRs can get close to your budget by themselves.

AFRs
Decent Cam (23x/23x)
LS2 Chain
Ported Oil Pump
Sticky Tire

You will probably need a clutch and rear end sooner than later after that.
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Old Jul 12, 2010 | 09:00 PM
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vengeance racing offers a head/cam kit with upgraded stock rockers,check their website.the ws6 store head/cam pkg is a good price.
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Old Jul 13, 2010 | 01:16 AM
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Originally Posted by 09camaro383
how much boost is your friend running to trap 10.01 @ 141 and what do you mean about e85 he is not running pump gas? e85= 85 percent ethanol and 15 percent gas!!
E85 is basically equivalent to 105 octane or somewheres around there. Its getting very popular with forced induction cars. It's pretty much like running race gas.
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