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Old Jul 15, 2012 | 02:57 AM
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Default Intakes?

Want to get a good intake for my stock '07 C6. What is the difference between cold air & short ram intake? Which is better & helps the most with hp? Which brands are best? Don't plan on any engine work any time soon.
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Old Jul 15, 2012 | 09:00 AM
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Originally Posted by Mikeymike72
Want to get a good intake for my stock '07 C6. What is the difference between cold air & short ram intake? Which is better & helps the most with hp? Which brands are best? Don't plan on any engine work any time soon.
If you're not going to do anything to the engine including a tune, don't bother. Save your money. HP gains for daily driving will be so small you won't notice, and fuel economy won't change.

As a Rule of Thumb, making any changes, including the addition of a CAI should require recalibrating the MAF transfer table so the ECU knows the true air values entering the intake manifold. The reality of "more air in" most likely will create a lean condition that will require some attention to your tune, or, CEL's.
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Old Jul 15, 2012 | 10:34 AM
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I disagree that a cai requires a tune. The ECM is designed to run the car correctly and efficiently over a vast set of variables, from below sea level air density to as high as 12,000 feet above sea level, and from outside air temps from -30* to 130*. The addition of a cai will not provide a change outside this envelope. That's not saying that a tune will not provide additional performance, just that the car should run fine without one.
When I first got my C6, the first mods I did was a VaraRam and headers. The car ran fine and never threw a code.
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Old Jul 15, 2012 | 10:50 AM
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The vette intake is a true CAI already. Just mod the shroud to let more ambient air into it. And maybe change the filter.
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Old Jul 15, 2012 | 07:09 PM
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Originally Posted by S'vette
The vette intake is a true CAI already. Just mod the shroud to let more ambient air into it. And maybe change the filter.
No way is the C6 intake a Cold Air Intake.

There is no provision for fresh air to enter the intake.
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Old Jul 15, 2012 | 07:35 PM
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Originally Posted by haljensen
No way is the C6 intake a Cold Air Intake.

There is no provision for fresh air to enter the intake.
Yup !!
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Old Jul 15, 2012 | 08:20 PM
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Originally Posted by jpee
Yup !!
open the shroud? Its enclosed and gets its air from the air coming into the front of the car so opening the shroud will help greatly. All the other CAIs that you pay hundreds for basically do the same thing, provide a way for the air in the front of the car to get to the intake that looks almost the same as the stock. IMO of course.
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Old Jul 15, 2012 | 10:08 PM
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Originally Posted by Mikeymike72
Want to get a good intake for my stock '07 C6. What is the difference between cold air & short ram intake? Which is better & helps the most with hp? Which brands are best? Don't plan on any engine work any time soon.
Vararam is what I would suggest. Read more here

http://www.shop.jwmotoring.com/produ...&categoryId=28
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Old Jul 15, 2012 | 10:30 PM
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I say save some money open the shroud and buy the scope and be done with it and you will have the same thing as a $500 CAI.
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Old Jul 16, 2012 | 07:34 AM
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I haven't messed with ours yet, so how does the air get in. It has to come from somewhere up at the front of the car where the air is getting through the grille. I've been around for a long time and have seen some outlandish advertising claims over the years. Advertising claims would be the last words that I would take as gospel. Show me dyno numbers. Show me track numbers. I don't mind spending money on something that works. I just want to know that it works first.
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Old Jul 16, 2012 | 11:41 AM
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Originally Posted by Mikeymike72
Want to get a good intake for my stock '07 C6. What is the difference between cold air & short ram intake? Which is better & helps the most with hp? Which brands are best? Don't plan on any engine work any time soon.
As mentioned above, do not expect much with CAI only mod. However, you have a 2007 which is more restrictive than the LS3/LS7 air intake, so you will improve hp in the upper rpm range. Expect around 8 -12 rwhp with a true CAI and 15 -25 rwhp with a CAI/Tune.

Cold air intakes allow ambient air to enter the air intake without added heat from the engine compartment. Colder air is more desirable because it is more dense, more oxygen which results in more power.

Short ram air? Forget about ram air unless you are well into triple digit speeds.

I am using the Halltech MF103 air intake on my 08 LS3. It is an easy install, quality product, no need to hack up the shroud, comes with a "Beehive Shroud" that keeps engine heat away from the air intake. As an option, I cut two elongated holes at the bottom ends of the shroud for cold air. Do some research on Halltech's website for more info. It does not require tuning for the LS3/LS7, but a tune will improve all around performance on any air intake.

Halltech offers the MF 103 for LS2 applications, but it does require the use of LS3/7 MAF sensor and tuning. Another option for the LS2 is the Halltech Venon which retains the stock MAF.

Last edited by Mike's LS3; Jul 16, 2012 at 11:57 AM.
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Old Jul 21, 2012 | 08:14 PM
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Originally Posted by Keith Tedford
I haven't messed with ours yet, so how does the air get in. It has to come from somewhere up at the front of the car where the air is getting through the grille. I've been around for a long time and have seen some outlandish advertising claims over the years. Advertising claims would be the last words that I would take as gospel. Show me dyno numbers. Show me track numbers. I don't mind spending money on something that works. I just want to know that it works first.
The vette is front air feed so its gets in there and just goes around things to get to the filter, thats why some just mod the shroud and air has a more direct path. I cut a hole right in front of the filter so you cant see the hole and Ive had no issues with turbulance.
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Old Jul 21, 2012 | 10:49 PM
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I just installed the Airraid from Chip at CCA and its 219 with the rebates etc..

I posted on one of his threads where hes selling them. Not only is the installation a breeze the quality of the product is excellent. Here's the link: http://forums.corvetteforum.com/c6-c...rice-ever.html

I highly recommend this as an easy addition to your corvette. I enjoyed driving the car after the installation today and I could feel the improvement.

Clean crisp reving up through the powerband.

I'm not racing so I didn't want to do the whole cutting the shroud thing as I had done with my two previous C5 and C5 Z06's.

This airraid kit met my needs as I use my vehicle as a daily driver and have 51 thousand miles on it.

Best of luck deciding what best suits your needs.

Last edited by JerriVette; Jul 21, 2012 at 10:52 PM.
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Old Jul 29, 2012 | 10:29 PM
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OP, for what it's worth, I had my '05 A4 dynoed with only LPE CAI and Borla Multicore over-axle exhaust (no tuning, no other mods, only done after mods were installed).... 360 rwhp / 359 rwtq
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Old Aug 1, 2012 | 12:30 PM
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Back to Back dyno testing at our shop has shown the Haltech to generate the most HP.
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Old Sep 16, 2012 | 06:05 PM
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Originally Posted by Doug@WGP
Back to Back dyno testing at our shop has shown the Haltech to generate the most HP.
As the only mod ? And w/o a tune ? How much of a gain and at what rpm ?
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Old Sep 16, 2012 | 06:43 PM
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I have used Airaid and K&N. Six of one 1/2 dozen of the other. I think both are good, but neither pulls air from the outside like those that pull air from below.
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Old Sep 16, 2012 | 07:30 PM
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CAI stands for Cold Air Intake.

If the unit doesn't allow fresh (cold) air into the filter it is NOT a CAI. The K&N is not a CAI and isn't advertized as one.
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Old Sep 16, 2012 | 08:39 PM
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Originally Posted by Doug@WGP
Back to Back dyno testing at our shop has shown the Haltech to generate the most HP.
You should make a stand-alone thread and post the graphs.
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Old Sep 16, 2012 | 09:28 PM
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Originally Posted by Doug@WGP
Back to Back dyno testing at our shop has shown the Haltech to generate the most HP.
Originally Posted by Random84
You should make a stand-alone thread and post the graphs.
And still no answer to my question. I won't spend the money on one until someone can show me the hp/torque gains over the entire power band.
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