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Old Jul 13, 2011 | 10:42 AM
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Default Z06 Power

Hi all, love my 2003 vette but would like a little more power. What are the primary differences between my c5 and a c5 ZO6 and can I make my engine perform as well. Thanks in advance for any and all replies
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Old Jul 13, 2011 | 10:44 AM
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Heads and cam are the only real engine differences.
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Old Jul 13, 2011 | 10:47 AM
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put in a cam and have more power than a z06
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Old Jul 13, 2011 | 10:51 AM
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Power is just a matter of money.
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Old Jul 13, 2011 | 10:57 AM
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Why stop there...you can make more power than a Z if you are willing to spend the money and time doing it. Lots of different options and ways (supercharging, head/cam, turbo's, nitrous). Just depends on how much power you want and what you are willing to spend and live with.

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Old Jul 13, 2011 | 11:43 AM
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Originally Posted by chevrolee
Hi all, love my 2003 vette but would like a little more power.
How much more power? If you're just trying to get "around" ZO6 power, then you can easily do that with a headers and intake package with a tune. Not even have to open the engine.

Originally Posted by chevrolee
What are the primary differences between my c5 and a c5 ZO6 and can I make my engine perform as well.
With a 2003, you should have the LS6 block. Other differences are the heads and cam.

-Alex
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Old Jul 13, 2011 | 12:04 PM
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thought the ls6 had a different valve train, better maf,higher compression
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Old Jul 13, 2011 | 12:15 PM
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Originally Posted by allen2m4
thought the ls6 had a different valve train, better maf,higher compression
Yes it has a different cam, different heads which I assume has larger lighter intake and exhaust valves, and a Maf that does not have a screen in it.
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Old Jul 13, 2011 | 12:33 PM
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If you have a 6spd, consider a 3.90 differential. The gear change will make it alot more responsive and feel more powerful. Headers and a tune will add power.
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Old Jul 13, 2011 | 01:52 PM
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Heads and cam along with headers and a tune will have you better than a Z06 in terms of power. Upgrade the suspension and you'll have a very complete package.

Or go with a supercharger and really add to the hp.
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Old Jul 13, 2011 | 03:39 PM
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Easy change. 243 heads (LS6), LS6 or FAST intake and Z06 cam. You'll add 55 flywheel HP. Your rwhp will be about 350.
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Old Jul 13, 2011 | 03:43 PM
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Gears!! I have a cam, ls6 manifold, intake, long tubes and a tune but the last z06 I drove felt faster... the gears make a big difference.
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Old Jul 13, 2011 | 05:14 PM
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I'm afraid that you've been too vague about your goals...

How much more power? If you're shooting for C5Z performance: headers, intake, cam and a good tune will get you there. If you're shooting for LS3 (C6 base) performance you'll need to add heads to that list. If you're shooting for C6Z performance, you'll need a supercharger.

Are you looking for power or accelleration? If you're looking for raw power any of the above will work. If you're looking just for accelleration you could probably solve your problem much cheaper by going with some shorter rear-end gears (base C5s came with 2.73, the performance axle was a 3.15, some guys here go 3.73, 3.9, or 4.1) and giving up some of your top speed.

I suggest you hunt around the forum a bit. This subject has been hashed, rehashed, and rehashed so many times that all of the good ideas are out there and easy to find.

Good Luck
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Old Jul 14, 2011 | 10:58 AM
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Originally Posted by 0331MARINE
Heads and cam are the only real engine differences.
That's like saying the only difference between Jessica Alba and Rosie O Donnell is the face & body.............
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Old Jul 14, 2011 | 11:01 AM
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Originally Posted by redzone
That's like saying the only difference between Jessica Alba and Rosie O Donnell is the face & body.............
Now see.. right there you went too far!

LOL
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Old Jul 14, 2011 | 11:07 AM
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Originally Posted by redzone
That's like saying the only difference between Jessica Alba and Rosie O Donnell is the face & body.............
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Old Jul 14, 2011 | 11:10 AM
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Originally Posted by redzone
That's like saying the only difference between Jessica Alba and Rosie O Donnell is the face & body.............
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Old Jul 14, 2011 | 11:18 AM
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Originally Posted by redzone
That's like saying the only difference between Jessica Alba and Rosie O Donnell is the face & body.............
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Old Jul 14, 2011 | 04:20 PM
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Default @06 Power

Guess I should have given more info. I am strongly opposed to opening a perfectly good running engine therefore I was hoping most Z06 differences were on the outside of the engine. Thanks for all the advice and I believe the 3:91 gearing is a good idea with headers and a tune, possibly a cold air system. This is a great forum and thanks to all
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Old Jul 14, 2011 | 04:32 PM
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Originally Posted by chevrolee
Guess I should have given more info. I am strongly opposed to opening a perfectly good running engine therefore I was hoping most Z06 differences were on the outside of the engine. Thanks for all the advice and I believe the 3:91 gearing is a good idea with headers and a tune, possibly a cold air system. This is a great forum and thanks to all
A supercharger doesn't crack into the engine.
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