2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

Lose of mpg with CAI?

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Old 04-27-2008 | 05:38 PM
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Lose of mpg with CAI?

I installed a injen CAI the other day and it seems I'm losin mpg but I can't tell if it's just in my head. Anyone else have this problem or is just me lol.
Old 04-27-2008 | 05:39 PM
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Its called romping the **** out of your car to hear your intake.
Old 04-27-2008 | 05:41 PM
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Originally Posted by SSRedSC
Its called romping the **** out of your car to hear your intake.
lol +1
Old 04-27-2008 | 08:12 PM
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It seems that I used to drive at 1500 rpms when I was drivin econmically but now it seems it stays around 2000 and I haven't been givin it gas to hear it...even though I want to lol. I try to reason in my head..

20 seconds of intake sucking < $5 in gas

haha
Old 04-27-2008 | 08:23 PM
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The rpms would not change due to an intake. Unless you swapped out your gears, your driving faster.
Old 04-27-2008 | 08:24 PM
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lol when i got mine i drove faster......gotta love that sound
Old 04-27-2008 | 08:27 PM
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.....
Old 04-28-2008 | 12:38 AM
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i gained 3 to 3 with my GMPP
Old 04-29-2008 | 02:44 PM
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a CAI would increase your MPG..not decrease.

Virtually every "bolt on" (including turbo/supercharger) would increase your MPG...

However, with more power, it takes less to get up to speed...so if your still driving it the exact same way as before, your adding more load, and will result in a loss of MPG.


And WTF do you mean you bought an intake and you havnt gotten on it to hear it? What the hell is wrong with you?

That should of been the very first thing you do when installing a performance mod...is to get on it.

Hell, the shop told me not to get on my car after i got the kit installed until they can check some things out...

I turned out of the driveway and floored it.
Old 04-29-2008 | 02:49 PM
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after my injen install i've been seeing more mpg. i'm up around 33.5 mpg
Old 04-29-2008 | 02:50 PM
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yea first thing i did with my intake was beat the crap out of the car for a day or two. then i drove like normal and gained 3 MPG
Old 04-29-2008 | 02:57 PM
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I gained 2mpg, more or less, with the Injen CAI
Old 04-29-2008 | 02:59 PM
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My AEM gave me a couple mpg. It's still for sale by the way.
Old 04-29-2008 | 03:12 PM
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im at 31.7 with my injen CAI
Old 04-29-2008 | 03:13 PM
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Originally Posted by REDFOCZ
lol +1
X2 i had the same thing happen with ,y stage 2 and CAI i could keep off of WOT and my Gas mpg is goin down hahha
Old 04-29-2008 | 03:55 PM
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Originally Posted by Turbo06Sedan
a CAI would increase your MPG..not decrease.

Virtually every "bolt on" (including turbo/supercharger) would increase your MPG...

However, with more power, it takes less to get up to speed...so if your still driving it the exact same way as before, your adding more load, and will result in a loss of MPG.


And WTF do you mean you bought an intake and you havnt gotten on it to hear it? What the hell is wrong with you?

That should of been the very first thing you do when installing a performance mod...is to get on it.

Hell, the shop told me not to get on my car after i got the kit installed until they can check some things out...

I turned out of the driveway and floored it.
Oh don't get me wrong, right after me and my friend finished installing it I pulled it off my road and floored it lol. I was just talking about driving to work and stuff.
Old 04-30-2008 | 12:37 PM
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So just let me know if this is weird, I've been watching the gas gauge and it seems that when I drive it stays at about 2k rpms. Before, doing the same kind of driving, it would be around 1.5k rpms. Before when I got to a stable mileage and stayed there it would drop to 1.5k but it now looks like it's always at 2k or a little over. Could there be something wrong with the intake, or throttle body?
Old 04-30-2008 | 12:51 PM
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Originally Posted by Turbo06Sedan
a CAI would increase your MPG..not decrease.

Virtually every "bolt on" (including turbo/supercharger) would increase your MPG...

However, with more power, it takes less to get up to speed...so if your still driving it the exact same way as before, your adding more load, and will result in a loss of MPG.


And WTF do you mean you bought an intake and you havnt gotten on it to hear it? What the hell is wrong with you?

That should of been the very first thing you do when installing a performance mod...is to get on it.

Hell, the shop told me not to get on my car after i got the kit installed until they can check some things out...

I turned out of the driveway and floored it.

turbo's yes, they do increase mpg.... but however, superchargers do not... that is why GM stoped making the SS/SC because of the federal governments new 30mpg rule for all 4cyl cars.... SS/SC was only getting 25mpg as per EPA specs
Old 04-30-2008 | 01:59 PM
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Originally Posted by Ducky22287
So just let me know if this is weird, I've been watching the gas gauge and it seems that when I drive it stays at about 2k rpms. Before, doing the same kind of driving, it would be around 1.5k rpms. Before when I got to a stable mileage and stayed there it would drop to 1.5k but it now looks like it's always at 2k or a little over. Could there be something wrong with the intake, or throttle body?
It's not the intake.
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