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Top 10 modifications that really make HP

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Old Jul 27, 2008 | 11:05 AM
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Default Top 10 modifications that really make HP

I'll start with the obvious:

Superchargers
Heads/Cam
N2O


Let the discussion begin
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Old Jul 27, 2008 | 11:08 AM
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Performance hood seal!
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Old Jul 27, 2008 | 11:10 AM
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Originally Posted by Y2Kvert4me
Performance hood seal!
(seriously though )
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Old Jul 27, 2008 | 11:24 AM
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Default I did a post like this not too long ago

Headers
Tune
Vararam Intake
Gears (wont' give you hp, but you will feel like it does)
Turbos
Roller Rockers
Larger/Better Intake and thottlebody (FAST, Ported LS6)

Keep in mind, just as I learned from my post. HP gainers are different from car to car. 1 guy might get 5 hp from porting his throttlebody vs another guy will get nothing. It works like this across the border. I think to make your thread more fair and give actual results, your going to have to give your baseline engine setup. Are you talking about starting stock and trying to increase HP or are you talking about a car that has already had some stuff done to it. As mentioned, HP is relative to the combination you use and what amount of money you want to spend. Oh one more big thing. Keep in mind increasing HP is only a small percent of the battle.

1. Once you increase HP enough you will have to.....
A. Get a tune.... ($500 and up)
B. Get a new clutch to handle the new HP ($500 and up)
C. Upgrade other systems such as suspension and tranny if the HP proves to powerful for them ($1000 and up)

Its really as many have mentioned...a never ending catch. Once you get the HP bug you really have to control yourself or you will find yourself broke in the wallet as well as a broken car.

As I have heard over and over again. Find out what your goals are, find out exactly everything involved, keep in mind all the repercussions your going to create by what your about to do to your car, and most of all make sure you have plenty of money to cover everything plus some.

Last edited by XtremeVette; Jul 27, 2008 at 11:27 AM.
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Old Jul 27, 2008 | 11:35 AM
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Any CAI
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Old Jul 27, 2008 | 11:42 AM
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I agree with most of this based on my limited experience. However I would also add any true CAI (vararam is one of them) and I would put cam, heads, heads and cam ahead of better intake and throttle body. If you have an LS6 intake, you probably won't need a Fast or such till you add heads and cam. Forced induction Turbos, superchargers) should obviously be on the list but majority of folks will do the other things 1st. Just my .02.
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Old Jul 27, 2008 | 11:47 AM
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Originally Posted by XtremeVette
Headers
Tune
Vararam Intake
Gears (wont' give you hp, but you will feel like it does)
Turbos
Roller Rockers
Larger/Better Intake and thottlebody (FAST, Ported LS6)

Keep in mind, just as I learned from my post. HP gainers are different from car to car. 1 guy might get 5 hp from porting his throttlebody vs another guy will get nothing. It works like this across the border. I think to make your thread more fair and give actual results, your going to have to give your baseline engine setup. Are you talking about starting stock and trying to increase HP or are you talking about a car that has already had some stuff done to it. As mentioned, HP is relative to the combination you use and what amount of money you want to spend. Oh one more big thing. Keep in mind increasing HP is only a small percent of the battle.

1. Once you increase HP enough you will have to.....
A. Get a tune.... ($500 and up)
B. Get a new clutch to handle the new HP ($500 and up)
C. Upgrade other systems such as suspension and tranny if the HP proves to powerful for them ($1000 and up)

Its really as many have mentioned...a never ending catch. Once you get the HP bug you really have to control yourself or you will find yourself broke in the wallet as well as a broken car.

As I have heard over and over again. Find out what your goals are, find out exactly everything involved, keep in mind all the repercussions your going to create by what your about to do to your car, and most of all make sure you have plenty of money to cover everything plus some.
Nice post I'm talking about starting from stock.
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Old Jul 27, 2008 | 11:48 AM
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Originally Posted by MagRedConv
Any CAI
Any CAI
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Old Jul 27, 2008 | 11:57 AM
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Originally Posted by Chemdawg99
Any CAI
Any CAI gets more air in than stock, no?
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Old Jul 27, 2008 | 11:57 AM
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Default Here's a few...

http://www.lingenfelter.com/pack_cor_c5_350zo6.htm

http://www.gmperformanceparts.com/En...1268&engCat=ls
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Old Jul 27, 2008 | 12:10 PM
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You pretty much hit it with your own answer.. Heads/cam, Supercharger, NOS

The only thing you left out is a CAI, Longtube headers and a Professional Tune.
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Old Jul 27, 2008 | 12:21 PM
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I noticed a very good increase in power when I installed a set of Borla Stingers.

I also noticed a difference when I installed new Bosch fusion plugs.
(this may not be the fact that the new plugs were better than other new plugs as much as they were better than the worn out ones I removed)
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Old Jul 27, 2008 | 12:25 PM
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Don't do it!!!!!!!!

It's an addiction

The first two mods??

1.) A high limit credit card dedicated to the vette
2.) Either marital counseling or a good divorce lawyer
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Old Jul 27, 2008 | 12:51 PM
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Set of twins

The Big Dog
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Old Jul 27, 2008 | 01:55 PM
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Forget the little stuff. If you are into modding you might as well start at or near the top. I ebayed all the little stuff off this winter after I realized a big blower was the way that I really wanted to go all along. There's nothing like a nice, big FI setup. You can't light them up at 60 MPH with only a CAI and Borlas.
http://temp.corvetteforum.net/c5/esc...//drivings.gif
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Old Jul 27, 2008 | 02:27 PM
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Originally Posted by MagRedConv
Any CAI gets more air in than stock, no?
I guess the skeptical icon was a bit strong

Yes ANY CAI will let more air in than the stock intake. However, at the stock HP level the bump in HP is not very high and motor get all the air it needs for THAT power level.

I view CAIs as a first step to something bigger or in conjunction with mods that will require more air. No doubt, a CAI will give you a HP bump and some of the better ones will give you a slightly bigger bump than that. Sorry for my lack of clarity
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Old Jul 27, 2008 | 02:58 PM
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Straight up!

SUPERCHARGERS!

Thanks,Matt
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Old Jul 27, 2008 | 03:03 PM
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Originally Posted by madmatt9471
Straight up!

SUPERCHARGERS!

Thanks,Matt

Can't argue with that.
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Old Jul 27, 2008 | 03:07 PM
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Originally Posted by Chemdawg99
I guess the skeptical icon was a bit strong

Yes ANY CAI will let more air in than the stock intake. However, at the stock HP level the bump in HP is not very high and motor get all the air it needs for THAT power level.

I view CAIs as a first step to something bigger or in conjunction with mods that will require more air. No doubt, a CAI will give you a HP bump and some of the better ones will give you a slightly bigger bump than that. Sorry for my lack of clarity
But it is an increase in HP. That's the thread question. Now if we're talking 500+ rwhp, for sure FI.

I don't recall if a dyno tune was mentioned but I gained 29 rwhp in three hours - $350. Stock car (at that time) btw with the exception of a K&N filter, X pipe, and Corsa Pace Car.
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Old Jul 27, 2008 | 03:13 PM
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Originally Posted by MagRedConv
But it is an increase in HP. That's the thread question. Now if we're talking 500+ rwhp, for sure FI.

I don't recall if a dyno tune was mentioned but I gained 29 rwhp in three hours - $350. Stock car (at that time) btw with the exception of a K&N filter, X pipe, and Corsa Pace Car.
We are in agreement. I think a CAI with a tune is essential. CAIs indeed increase HP just not to the extent that some people (not you) claim
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