C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

cold air induction kits

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Old Feb 25, 2007 | 12:44 PM
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Default cold air induction kits

I'm sure it has probally been covered before but i'm new in corvette world Does the slp kit item 609-197 page 138 advertised in mid america actually serve a pupose or does it just look good also does it change the sound and 3rd is it difficult for a novice to install thanks

Sorry, guess I should have mention I have 1993 with an LT1 Im not necessarilly looking for a huge increase in proformance but if there is any gain from it and if it makes for better hy pro sound then it may be worth the bucks doesnt seem like a lot of money so i am a little skeptical

Last edited by davetteguy; Feb 25, 2007 at 03:52 PM.
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Old Feb 25, 2007 | 01:38 PM
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looks good, sounds good, not very helpful

YES, I own the SLP unit and got very little from it. Some people below talk when they dont know. Your setup for your year is the Claw, which draws air from the stock location, and isnt actually a cold air setup.

Last edited by vader86; Feb 26, 2007 at 09:29 AM.
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Old Feb 25, 2007 | 02:03 PM
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Is this that triple cone thing, or the whole air box thing with the intake on the bottem? I don't have that book.
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Old Feb 25, 2007 | 02:25 PM
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Some are, some aren't, there are several different options. Depends on what year you have. Some claim to be cold-air kits but are absolutely not. The "Claw" is one of those.

Vader is always the first to chime in and call b.s. on cold-air induction, but he has nothing to back up his claims. It's hard to quantify the increases though, since you can't test them on a dyno.
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Old Feb 25, 2007 | 02:30 PM
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I'll tape over mine this summer and test it. I don't get to the track to often and it can be tough to get a bunch of runs in. I have a road race track closer then a drag track. Can't have everything.
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Old Feb 25, 2007 | 02:34 PM
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How are you going to do that without blocking off all the air to the engine?
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Old Feb 25, 2007 | 02:34 PM
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Welcome to the forum!

Done be disillusioned if you get a "drive by" response from some responders,,,, someone with knowledge or experience about the topic will eventually chime in.

I think the cool air kits that are useful come in thru the front of the bumper, but it has been said that this type of device only helps at upper RPM's.

The Claw type breathers are still sucking hot air from the engine bay, if I recall from what others say that have actually bought and used them.

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Old Feb 25, 2007 | 02:54 PM
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would be cheaper and probably similar gains to just get a modified open lid and free flow element like k&n etc
this is what i did on my 92
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Old Feb 25, 2007 | 03:04 PM
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Here's all the kits, in some sort of order of effectiveness:

A/O Engineering/Zip (L98, LT1)
-Ram air from license plate opening, replaces license plate cover.
-Requires cutting.

SLP Cold Air (L98)
-Ram air from below license plate opening
-Requires cutting and paint.

TPIs Cold air(L98)
-Cold air from pressurized area in front of radiator.
-Really hot air from radiator surface at idle.
-Benefits from big mouth air dam
-Requires cutting

Breathless Vortex (L98, LT1)
-Same as TPIs, but horrible quality.

SLP Claw (LT1, ZR1)
-Not a cold air kit, no more effective than a cut lid.
-Does not require cutting (because it's not a cold air kit)
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Old Feb 25, 2007 | 05:06 PM
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Originally Posted by CentralCoaster
How are you going to do that without blocking off all the air to the engine?
Put tape over the plate, so the engine only gets air from the stock filter.
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Old Feb 25, 2007 | 05:36 PM
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You won't get any cold air here either!
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Old Feb 25, 2007 | 05:40 PM
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Eh? It's all hot air. Where's that fart picture?
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Old Feb 25, 2007 | 06:50 PM
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I like mine. I have to wonder if the detractors have ever run one or are merely speculating. It looks great, sounds better and gets colder air than stock because of its design. It is extended down in the cavity and gets air all around, not just the top.

it is a cinch to put in in place of the stock airbox. I 'cut the lid' and put in a K&N. It was a horrible fit. It couldn't be airtight. This SLP piece is tight and right. I recommend it for looks alone, but feel it functions better than stock as well.
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Old Feb 25, 2007 | 08:40 PM
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Originally Posted by CentralCoaster
Some are, some aren't, there are several different options. Depends on what year you have. Some claim to be cold-air kits but are absolutely not. The "Claw" is one of those.

Vader is always the first to chime in and call b.s. on cold-air induction, but he has nothing to back up his claims. It's hard to quantify the increases though, since you can't test them on a dyno.
We've tested them at the track, no noticeable gains, but it does look good and is easy to install.

I have one, but then again SLP gave it to me, so I wasn't going to turn them down.
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Old Feb 25, 2007 | 08:42 PM
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Originally Posted by chozen1
would be cheaper and probably similar gains to just get a modified open lid and free flow element like k&n etc
this is what i did on my 92
Open lid won't do anything either.
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Old Feb 25, 2007 | 10:02 PM
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Originally Posted by CentralCoaster
Mojo, did you delete one of my posts because you didn't like it, or because it didn't agree with your claims?
because of the exchange with you and Vader.

If I didn't agree with your claims, I would tell you.
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Old Feb 26, 2007 | 09:10 AM
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The drama would better in PM's.
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Old Feb 26, 2007 | 10:48 AM
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Originally Posted by Aardwolf
The drama would better in PM's.
BTDT. I've been moderated.
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Old Feb 26, 2007 | 10:51 AM
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Originally Posted by CentralCoaster
BTDT. I've been moderated.
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Old Mar 13, 2007 | 05:27 PM
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Originally Posted by CentralCoaster
Here's all the kits, in some sort of order of effectiveness:

A/O Engineering/Zip (L98, LT1)
-Ram air from license plate opening, replaces license plate cover.
-Requires cutting.
I'm interested in this kit.
When you say cutting, what exactly needs to be cut?
Thanks.
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