How do you mod an air box? I dont get it. People on here put "moded airbox" in their sig. Mine was metal so how do you mod it? I just took mine off to make an open air intake. Is that what they mean?

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1992 Camaro RS 3.1L
T5 Manual 5 speed
Open Air Intake
Z-28 Exhaust
8.5mm MSD Ignition wires

 

What year do you have and what kinda car???

 

Nope, thats not what they mean. You airbox is metal?? How so?

When they mean a "modded airbox," normally they have taken the bottoms out of the airboxes by sawing them out. At least this is the way Camaros with 2 filters work. Now did your car have 1 filter or 2? I remember seeing a '91 3.1 with only 1 filter, so I don't know how this setup would work.

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Jason E
'89 Camaro RS 2.8
Hypertech chip/K&N filters/Accel 8.8 wires/RapidFires
Eclipse CD and 100x4 amp/Boston plates and 6x9s
Alpine Alarm w/ Keyless entry
IROC tailights/tinted windows

 

Ive got a 92 RS (note sig) and my airbox is metal as hell. And Ive got one box to the left. There is no way I could or would saw it up. I just took the bitch off

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1992 Camaro RS 3.1L
T5 Manual 5 speed
Open Air Intake
Z-28 Exhaust
8.5mm MSD Ignition wires

 

I took off what looks to be a air deverter. Now i can see the air filter, but it is still mainly around that steel box! Monkie, did you notice any difference w/ the box off, and where did you put the IAC sensor?

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91 RS Camaro
3.1L
Cat Back System, K&N filter,modified air box, Fastchip Stage 2, 160 thermo, Rapidfires and Bosch Wires, soon to come: Homemade Ram Air,and maybe power pulleys, 5 Air Horns

[This message has been edited by Garmer (edited November 07, 2000).]

 

I knew ya had a '92, I wasn't sure if all 3.1s had the one filter or two though...I never paid attention to what was metal on it though!

I'm gonna take out the bottoms of mine and take PVC pipe and route it down and face it at the grille...RAM AIR!!!

 

Garmer

All I will tell you is take the box off! Its is pointless to keep it on. The only way I would keep the box on is if you didnt have a K&N and just had the stock paper filter (you have a K&N tho, good choice ) So just take the box off, keep it if you want (I did). And just put the lid back on the filter just like the box is supose to be there. And you can just leave the IAC sensor hanging. But I took it to another level and put the sensor under the air filter base. Leaving it to where it will get cooler readings. Resulting in better throttle response. If I were you I would do this mod ASAP because its super easy and it takes about 2 mins at the most. I did notice a difference right away! It made the car pull harder and it also seemed to make the car feel better I found that to be kinda weird. But I really advise you to do this! Let me know if ya have any questions!

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1992 Camaro RS 3.1L
T5 Manual 5 speed
Open Air Intake
Z-28 Exhaust
8.5mm MSD Ignition wires

 

I was thinking about doing that too, but Im just gonna run a cold air intake. But its gonna be set up very well. I will let you guys in on the idea after I do it. its gonna be good tho!

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1992 Camaro RS 3.1L
T5 Manual 5 speed
Open Air Intake
Z-28 Exhaust
8.5mm MSD Ignition wires

 

Yeah, 2.8 Camaros lost the dual-snorkel intake when GM went to the speed-density form of air measurement for the MPFI injection. (No mass air flow, and the air box pulls in clean air from the top center of the filter.)

The dual snorkel intake is supposedly a bolt-on though, if you can find one in a junkyard. You'd need the dual-snorkel, and the hood latch panel from the bumper.


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-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
---Think your car could be pic of the week? Visit http://www.f-body.net for details!

 

Monkie, I do have a question (and for anybody else), having the airfilter open let water in? I am kinda worried about that! And Monkie to my understanding you just put the IAC inside the airfilter, by going underneath it? Thanks

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91 RS Camaro
3.1L
Cat Back System, K&N filter,modified air box, Fastchip Stage 2, 160 thermo, Rapidfires and Bosch Wires, soon to come: Homemade Ram Air,and maybe power pulleys, 5 Air Horns

 

when i had the v6 in my camaro i made a ram air set up out of two 4X12inch heater duct and two 4inch elbows.i cut the bottoms of the air cleaner housing and put wood with 4inch hole in it. sealed it with sillacone and duct tape. one time i did go through a vary large puddle, my car did run like crap for about and hour after i went throug the water. just be carful, dont be rippen through the water. i did notice and improvment in accelastion at higher speeds.

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when the green flag drops the bull$hit stops

350,performer RPM intake ,650dp, 700r4, headers, 3inch exhast

 

That's exactly what I did to create my hommade forced induction/ram air setup. It cost me like 10 bucks for two 90 degree air conditioning ducts that I cut to fit from the front grille to the air box. All in all I think it worked out quite well.

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ICQ #: 77308896
AIM: Ezekiel2sc
2.8L MPFI w/ K&N filters & homemade ram air
5 speed manual
3.42 rear axle
180W Clarion CD Deck
Pioneer 4*6 in front
Polk 3 way 6*9 in back

 

Garmer

Im not gonna tell you that if it is raining and you hit a big *** puddle of water that it wont get the air filter wet, because I dont know. But all day yesterday it was raining and I was out from 11:00am to 7:00pm and no water got to the filter. If you can run an open air "cold air" intake then I would be more than certain that it will be ok. I didnt put the IAC sensor inside the filter I just placed it hanging under the filter base. Tell me when you get the mod done.

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1992 Camaro RS 3.1L
T5 Manual 5 speed
Open Air Intake
Z-28 Exhaust
8.5mm MSD Ignition wires

 

Monkie, sounds like I will do it tomorrow! Again you just sit the airfilter on top of the IAC, right?

 

I dont really understand this. Are you talking about the IAC sensor? If so dont put it under the FILTER. put it under the base (the metal base that the filter sits on.) Actually if I could do it all over I doubt if I would put the sensor under the base. It wasnt all that big of a gain and it wasnt that easy. Now damn, that TB coolant **** Im working on, now thats HARD. But just place the IAC sensor where you think it would get the coldest readings. helping yet?

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1992 Camaro RS 3.1L
T5 Manual 5 speed
Open Air Intake
Z-28 Exhaust
8.5mm MSD Ignition wires

 

Monkie thanks for the help!

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91 RS Camaro
3.1L
Cat Back System, K&N filter,modified air box, Fastchip Stage 2, 160 thermo, Rapidfires and Bosch Wires, soon to come: Homemade Ram Air,and maybe power pulleys, 5 Air Horns

 

Monkie
How hard was it to get your airbox off? I have a 92RS 3.1 and want to take mine off. Think you could give me step by step to do it? Thanx

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1992 RS 3.1L
Mods:
K&N Drop-in filter

Mods to come:
New Plugs and wires(need advice on types)
Dynomax Cat Back
MSD GM Blaster Coil
Cold air intake
NEED OTHERS HELP ME!!!!

 

Sure. Its simple to get off. Just unscrew the clamp on the tube going from the box to the TB (the clamp next to the box's top). Take the tube off so you can work. You will see the box's cap (it will have a bar going through the middle and a bolt going down the middle of the box). Take the bolt all the way off (you will be holding the bolt it should be 15 inches maybe.) then take the box's cap off, remove the filter from the box, unplug the IAC sensor, and then take the box out. After you do all that put the box somewhere (anywhere) put the filter back where it was just like the box was there, put the cap on top of the filter, put the bolt back through the cap and into the hole at the base where the filter is sitting. Now the filter is sitting there with the cap on snug. put the tube back on the cap, clamp it tight and you are done.

If I were you I would print the section out and you will have step by step instructions right there while you're doing it. Thats what I do.

Oh and if you want a little more (doubt if you will feel it, but every bit counts) put the IAC sensor somewhere where it will get cooler readings.

Good luck man! Later.

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1992 Camaro RS 3.1L
T5 Manual 5 speed
Open Air Intake
Z-28 Exhaust
8.5mm MSD Ignition wires

 

Garmer, did you get it done?

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1992 Camaro RS 3.1L
T5 Manual 5 speed
Open Air Intake
Z-28 Exhaust
8.5mm MSD Ignition wires

 

Will I feel a difference? And does it matter thats is freezing here right now?

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1992 RS 3.1L
Mods:
K&N Drop-in filter

Mods to come:
New Plugs and wires(need advice on types)
Dynomax Cat Back
MSD GM Blaster Coil
Cold air intake
NEED OTHERS HELP ME!!!!

 

Not yet, working on computer!

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91 RS Camaro
3.1L
Cat Back System, K&N filter,modified air box, Fastchip Stage 2, 160 thermo, Rapidfires and Bosch Wires, soon to come: Homemade Ram Air,and maybe power pulleys, 5 Air Horns

 

DO I have to unbolt that thing from the box then plug the sensor back in or not?

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1992 RS 3.1L
Mods:
K&N Drop-in filter

Mods to come:
New Plugs and wires(need advice on types)
Dynomax Cat Back
MSD GM Blaster Coil
Cold air intake
NEED OTHERS HELP ME!!!!

 

Ok when you say "do I have to unbolt that thing" I really dont understand what "that thing" is. Im taking it you are talking about either 1: the long bolt going down the middle of the box. 2: you could be talking about the IAC sensor. If you are talking about 1 then yes you do have to take the bolt out. If not you will not be able to get the lid off. If you are talking about 2 then yes you also have to unclip that. But you dont reclip it because when you take the box off then you wont have anything to clamp it back onto. Hope this helped. And about the freezing thing...I live in South Carolina so I dont really see any freezing here. I dont know if it can hurt it or not. But Im think that it wont. I dont see any way that freezing COULD hurt anything. The only way I could think that it would hurt something is maybe the sensor. But I doubt it.



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1992 Camaro RS 3.1L
T5 Manual 5 speed
Open Air Intake
Z-28 Exhaust
8.5mm MSD Ignition wires

 

I was talking about the sensor. Thanx though. I got it all done. WHat I really meant was the part that the sensor clips into that bolts into the filter housing. Thanx

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1992 RS 3.1L
Mods:
K&N Drop-in filter

Mods to come:
New Plugs and wires(need advice on types)
Dynomax Cat Back
MSD GM Blaster Coil
Cold air intake
NEED OTHERS HELP ME!!!!

 

MAT sensor.. not IAC sensor. IAC = idle air control. IAT = 93-up idle air temperature.

MAT - 85-92 Manifold Air Temp.




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-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
---Think your car could be pic of the week? Visit http://www.f-body.net for details!

 

MY BAD!!!!!!!!

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1992 Camaro RS 3.1L
T5 Manual 5 speed
Open Air Intake
Z-28 Exhaust
8.5mm MSD Ignition wires

 

The 2.8 airbox won't fit on a Firebird because the Bird's hood slopes much more than the Camaro's. I tried that.

I ripped out my stock canister and plastic ducting, and replaced it with 3" PVC tubing (actually 3.5" outside diameter): a few inches of straight tubing were needed, a 90-degree elbow, and a slanted piece (??? I'm not a plumber, dammit ). Painted it black, drilled a hole for the sensor in the straight midsection, and topped it off with a universal tpi K&N.

Very noticeable difference, on the highway. Cost: $65, including the filter.

Just a note for the Birds out there.