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2.0 LSJ Engine: Airbox modification

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Old 02-21-2007, 11:39 AM
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Originally Posted by player_1
he's got nothing to worry about, stock is 12.5psi, opening up the box just made it easier to more air hence 13 psi.

there are cars running with 20psi on this site,

o
Or 23PSI
Old 02-21-2007, 12:57 PM
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Thanks guys I figured I had nothing to worry about, didn't seem like I lost any power, and the car feels better, and more responsive. In my future is an Intense Stage 5
Old 02-21-2007, 01:07 PM
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....where do you get that the PCM doesnt let more boost until 1000 miles?????? the cars will have the same programming at 50 miles as 5000.
Old 02-21-2007, 01:15 PM
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Originally Posted by chipmonk212121
....where do you get that the PCM doesnt let more boost until 1000 miles?????? the cars will have the same programming at 50 miles as 5000.
That's just what I've always heard from many people on this site... and that was the case on my SS/SC... before the car was "broken in" boost was limited to 10 PSI... after break in... it opens up the other 2 PSI...
Old 02-21-2007, 01:17 PM
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Originally Posted by SilverStreak
That's just what I've always heard from many people on this site... and that was the case on my SS/SC... before the car was "broken in" boost was limited to 10 PSI... after break in... it opens up the other 2 PSI...
well mine went to 12.5 psi from the start. im guessing they were either afraid to take it to full boost, or just didnt watch it cuz they werent used to shifting it yet?
Old 02-21-2007, 05:13 PM
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Originally Posted by chipmonk212121
....where do you get that the PCM doesnt let more boost until 1000 miles?????? the cars will have the same programming at 50 miles as 5000.
no not necessairly. For example when you pull the - on your battery cable everything resets... the computer is diffrent from that time to say 5,000 miles later where the fuel and air maps are calibrated.
Old 02-21-2007, 05:41 PM
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My car was most definitely locked up until just about 1035mi.
Old 02-22-2007, 02:21 AM
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I'm afraid to fry myself... How do i disconnet the negative side of the battery?
Old 02-22-2007, 02:53 AM
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take it off the battery?
Old 02-22-2007, 09:17 AM
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Originally Posted by Tung
take it off the battery?
with what it looks like it's it looks like its bolted down. Sorry just wanted to be safe...smart ass
Old 02-22-2007, 10:09 AM
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find a wrench or ratchet the same size as the battery bolt and just take it off. You won't hurt yourself unless you touch the positive and negitive side together.

For the record my car was not boost limited to any certain milage. I was hitting full boost from day one.
Old 02-22-2007, 12:51 PM
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Originally Posted by IMADreamer
find a wrench or ratchet the same size as the battery bolt and just take it off. You won't hurt yourself unless you touch the positive and negitive side together.

For the record my car was not boost limited to any certain milage. I was hitting full boost from day one.
Thanks for the info... Better safe than sorry. I don't like to assume anything, and better safe than sorry.
Old 02-22-2007, 06:29 PM
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Originally Posted by IMADreamer
find a wrench or ratchet the same size as the battery bolt and just take it off. You won't hurt yourself unless you touch the positive and negitive side together.

For the record my car was not boost limited to any certain milage. I was hitting full boost from day one.


YOu will spark up however if your on the (+) and you touch any metal causing it to ground out and weld your tool...its quite fun to see
Old 02-25-2007, 05:50 PM
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Lightbulb

QUESTION: I just noticed you can get the filter that comes with the 2.2/2.4 GMPP intake individually (88967478). So has anybody tried it with the air box mod?

I'd like to try it but I'm concerned it might be too large.
Old 02-25-2007, 07:05 PM
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You've just gotta watch how long the filter is... the cone has to be a really short one or it'll hang down too far.

Originally Posted by Codyak Supercharged
YOu will spark up however if your on the (+) and you touch any metal causing it to ground out and weld your tool...its quite fun to see
That's true... definately fun to watch.

Saw a guy removing a battery with a ratchet... swung it around and hit the negative post while he was loosening the positive... sparks went everywhere.

Last edited by RaineMan; 02-25-2007 at 07:05 PM. Reason: Automerged Doublepost
Old 02-25-2007, 07:23 PM
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Originally Posted by Pyros777
QUESTION: I just noticed you can get the filter that comes with the 2.2/2.4 GMPP intake individually (88967478). So has anybody tried it with the air box mod?

I'd like to try it but I'm concerned it might be too large.
the filter has a 3" outlet for the 2.2/2.4L. i ordered one but it hasen't come yet. should be here on tuseday i think. ill post back when i get it
Old 02-25-2007, 07:27 PM
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Originally Posted by Pooch
the filter has a 3" outlet for the 2.2/2.4L. i ordered one but it hasen't come yet. should be here on tuseday i think. ill post back when i get it
This is going to be great info - if it fits, then I think we found a good alternative to AEM
Old 02-25-2007, 11:20 PM
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i think it might be a bit snug going on but im sure it will fit. the only thing is that,in canada anyway, the filter is futchin pricey. like i pay $60 and thats cost at the dealership that i work at. i think its like over $100CND if you walked up and bought it over the counter at a GM shop. now i think CED has them for cheaper. what i don't know is if they are washable of just replaced after there full of crap. we'll see this week i guess
Old 02-26-2007, 08:23 AM
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Originally Posted by origami78
I used the K&N E-1009 and left the bottom of the box off. I have only gotten the CEL on two different days with high humidity after a heavy rain. I found on one of the forums that they do have an update for the computer. I talked to the dealer and they found there was 3 updates for the computer. One being for the CEL showing the engine was running lean. I have not gotten another CEL yet but I can keep you updated.
I still have not gotten a CEL and I never pulled the battery.
Old 02-26-2007, 11:39 AM
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Now im not sure and i could be wrong, but i thought that when u do the mod that if u should avoid using the cone filter(less hpor something) and go wit the same kind as the stock (more round)i'll prob buy the k&n E-0777, anyone else use this one?...thanx...
Old 02-26-2007, 11:52 AM
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Originally Posted by S/CSSRedDevil
Now im not sure and i could be wrong, but i thought that when u do the mod that if u should avoid using the cone filter(less hpor something) and go wit the same kind as the stock (more round)i'll prob buy the k&n E-0777, anyone else use this one?...thanx...
k+n not a good idea, the conicals are better for this, there is less room and the kn is almost impossible to clamp easily...

best bet get the dryflow if your gonna spend $$ on the filter, if need be you can just pop the bottom back on for service if you have to
Old 02-26-2007, 12:47 PM
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The whole point is to use the cone filter... the airbox bottom holds the stock filter in there... so when you remove it there's nothing to support the stocker. Plus, a cone flows better than the stocker too.
Old 03-01-2007, 10:54 AM
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Originally Posted by Pyros777
QUESTION: I just noticed you can get the filter that comes with the 2.2/2.4 GMPP intake individually (88967478). So has anybody tried it with the air box mod?

I'd like to try it but I'm concerned it might be too large.
Originally Posted by Pooch
the filter has a 3" outlet for the 2.2/2.4L. i ordered one but it hasen't come yet. should be here on tuseday i think. ill post back when i get it
Any update Pooch?

I ordered my GM 2.2/2.4 filter too yesterday. When it comes in I'll update as well and maybe even dyno it before and after ($30 for 2 runs).
Old 03-01-2007, 12:19 PM
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It's not the outlet size I'm concerned with... it's the actual length of the filter... the cone filter for the Airbox mod is fairly short... the GM filter may be too long.

Oh... and where the crap did you find a dyno for $30 for 2 runs? That's a steal!
Old 03-01-2007, 01:44 PM
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I am using an AEM Dryflow and it is working nicely. No CEL and it made the supercharger whine more. I am pleased with this cheap mod!


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