Going to be adding a blackwing or hallworth CIA. I know I wont be getting much out of it..no other mods done to the car...the stock air box looks so restrictive. Just a feel good thing i guess. Question is why do most of the CIA adds say in the last line...."for off road use only"...emmisions...??...thanks again.....

 

Yep, emissions. Costs them a lot of money to get anything CARB certified.

 

Another option. You can save yourself a lot of money by modifying your oem air filter assembly into whatever you want it to look like. Add an after market drop in filter panel if you want.

It'll perform just as good as any expensive "CAI" (cooler air intake), cost only your imagination and labor, and still be fully emissions compliant. It'll "sound" better, which is what most owners equate to more power, anyway. And you'll get no codes/surging, either.

This is mine. Yes, I know it's a rare 110v version...

 

Are you using the front.("performance"...??.) hood seal with that air box mod. Wondering if you have any water issues.

 

I do have a hood seal on mine, but I don't drive it in the rain. Routine washings are no issue.

Some people prefer to drill large holes in their oem air filter assembly. That's fine, but I thought my idea looked more oem. I used my oem Z06 cover, a DREMEL to cut along the vanes on the underside and used black RTV to seal the expanded aluminum mesh screen to the cover. Measure twice and cut once. I more than doubled the opening in square inches.

It draws in fresh air from the Z06 air screens, but if you had drilled out fog light housings, you'd accomplish the same. Here's a view from above...

 

I just ordered the modified air box cover..($63.00) and a K&N filter..($44.00). Do you think ill need to do any kind of idle relearn procedure for this small mod. I was just thinking about the hood seal if i dont need it for any water problems. It seems that gap might let a little air in...just a thought..???

 

by the way yours looks great....

 

You shouldn't need any type of idle "relearn" w/ just that change. Install it and drive it for a few miles, the computer will take care of itself.

The oil gauze filters (K&N, AIRAID, S&B, etc) are another topic. I've used them for years w/o any contaminated MAF issues that some report. The filter will come pre-oiled, so don't add anymore to it.

I clean and re-oil mine with every other oil change (@ 6,000 to 8,000 miles). Some prefer to do it more often, some prefer to do it at many thousands of miles. Don't let it get overly dirty. Use common sense.

Follow the directions about cleaning with the recharge kit or use diluted SIMPLE GREEN. Do not use compressed air to dry it. Allow the media to dry completely and oil sparingly. Wipe off any excess.

The K&N recharge kit uses an aerosol oil which is what could contribute to the MAF contamination. If that's what you use though, just dust it on lightly and allow it to wick through the media over time.

I prefer to use the S&B recharge kit. It uses a measured syringe to apply only the amount of oil you need. S&B supplies the after market companies with filters for many applications.

http://www.sbfilters.com/products/fi...aintenance.php

 

I have been using K&N for years in other cars and trucks. But i do like the S&B recharge kit with the measured amount of oil. I will be ordering that when the time comes.

thanks for all your help.

 

 

Go Vararam!! Installed mine about a month ago and very pleased with the results. Looks good, sounds good, and runs great.

 

hotwheels,
I poped the hood yesterday and looked around I didnt have much time so here are a few more questions ..hope im not a pain...

1) I cant seem to see the back of the fog light bezels. wonder if i drill holes from the front..just popping through and stopping..(5/16 or 3/8 drill)...I dont want to sound like a hack just wondering what might be back there to make this a big no no. I dont have my ramps yet to get it up in the air to pull them out.

2) I have read some of the debates on the hood seal.
A) I dont plan i ever ever driving in the rain, but i have been known to have some pretty crappy luck at times.What is your thoughts on water getting in the gap and hitting that hole in the air box cover.
B)I might have bumped my head to many times but it seems the air blowning over the hood would cause a suction through the gap..??
C)Any under hood increase in pressure with holes drilled or the mesh set up in the fog light bezels. I have read guys cutting about 2 inches out of the hood seal by the window drivers side to help when meshing the corvette plate in the front of the car. I would think its because its alot larger area.

hope you dont mind me picking your brain
thanks again

 

Not at all. A question unasked is a question unanswered.

That said, I have a Z06 with factory front air intake screens. I cannot answer your question about the fog lights, but someone else will chime in. I think most owners use a hole saw to allow for much larger holes in the fog lights. I think you'd probably have to remove the fog light housings to make the modifications.

You might get lucky with a search or search this forum (in the red banner) in the C5 Tech forum. Use keywords like "drilling holes in fog lights" or similar. I know it's been documented before.

I really doubt that much water could get through the front fascia/hood gap to cause much water ingestion, especially if the car is in motion. The air pressure would move the water over the gap which would seem to me to be the path of least resistance. Put some ZAINO on your car to help the process.

I'd be willing to bet that there are more owners who have a "performance" hood seal, than owners who do not. It became a joke and caused debate with the "performance" part of the product description (horsepower increases, etc). I personally think it serves a purpose and I installed one on my car when I first got it. I'm a man, was naive to Corvette, and thought it was a good idea. It's my car to do with as I please. Its installation doesn't affect anyone but my me. If people laugh at it, that's fine. I laugh at their cup holders and decals.

As I said, I don't drive in the rain, but you never know, especially in the mountains where I live. The seal cost me $15 so I'm not out much. Some elect to use home improvement door/window seals for a little less money. That's fine. I looked at those and most were open cell design which I thought would look a bit ugly with dust eventually. For the difference in cost, I bought a product that looks oem EPDM (smooth closed cell) and is easy to keep clean.

I've also read about owners who cut out a section of the seal for "pressure". I'm not a rocket scientist nor an engineer. I don't know whether their thinking is valid or not. It seems logical. If it's easy to do and the modification can be easily reversed and won't cause any other detrimental effects or look dumb, try it. I'm a fan of function over form.

Look through some of the images on this link to give you some ideas of how to modify your fog light housings. You might be able to find a used set somewhere and modify them so you can save your oem set...

http://www.thefind.com/cars/info-fog-light-screens

 

Another...

http://forums.corvetteforum.com/c5-t...-rain-bad.html

This thread has images on how to remove them...

http://forums.corvetteforum.com/c5-t...og-lights.html

**Use keywords "fog light holes" to "search this forum" (in the red banner) in C5 Tech. That's how I found the above threads. There were more threads.

 

I am now on the side of the fence with the guys WITH the hood seal. I was looking at where the hole is gonna be in the air box lid. seems like its gonna get wet when she gets a bath. ordered it last night.

Thanks for the links.. Had a drill in my hand last night but stopped made a templete. Wipped up some oval designs on my pc 1 1/2 x 1/2 6 per bezel placed mostly to the center of the car..took a good look under the hood seems like alot of crap for this incomming air to go around.

I think i might be doing some under hood temps ...stock for a base line...bezel cutouts (test)....2" cut out of the hood seal driverside cowl area (test again).... increase number of holes in bezel..??...(test again).. gives the old man something to do on vacation....let me know what you might think about thermocouple placement for the test

take care